A. Overview And Intent: The existing (nondeveloped) landscape character of Spring Valley, and much of the North Eagle Foothills, is predominantly nonnative grasslands with some shrubs and agriculture and is quite different from the rest of Eagle and the Boise River corridor which contain dense plantings and large buffer areas along arterials and collector roadways, irrigated pastures, and riparian woodlands. The intent of these standards is to provide a landscape character that is appropriate to the foothills and balances aesthetics and livability with water demands and availability. These standards promote water conservation through the use of treated effluent for irrigation, efficient irrigation systems, and the use of native and other plants that require little or no irrigation to survive. In addition, these guidelines shall be used in conjunction with the grading guidelines and hillside development standards, habitat mitigation plan and wildfire management plan.
The landscape concept for Spring Valley can be best described as a "foothills landscape". This concept is based on the landscape of the Northern Rocky Mountain Foothills and high plains prairie. Foothills landscape will be characterized by diverse layers of both deciduous and evergreen shrubs and trees that will create interest through its broad palette of indigenous material and other plants, including turf, utilized throughout the region. This concept also takes advantage of soil and exposure conditions to develop potential vineyard groves throughout the community with the rolling foothills as the backdrop.
B. Landscape Plan Required: A landscape plan is required for all developments requiring a design review, including, but not limited to, all subdivisions. The landscape plan shall be drawn to scale (no smaller than 1 inch equals 30 feet) and shall indicate the following:
1. Boundaries, property lines, and dimensions.
2. Existing trees and vegetation identified by species and size.
3. The location and design of areas to be landscaped.
4. The location and labels for all proposed plants.
5. Plant lists or schedules with the botanical and common name, quantity, and spacing and size of all proposed landscape material at the time of planting.
6. Location and description of other landscape improvements, such as earth berms, walls, fences, screens, sculptures, fountains, street furniture, lights, and courts or paved areas.
7. Planting and installation details as necessary to ensure conformance with all required standards.
C. Landscape As Percent Of Site:
1. Landscaping shall cover a minimum of fifteen percent (15%) of the property on multi-family residential developments. Hardscape plaza areas, such as decorative concrete/paver patios that are integrated into the design of the landscaped area, may be included in the fifteen percent (15%) landscape coverage requirement.
2. Landscaping shall cover a minimum of ten percent (10%) of the property on all other developments. Hardscape plaza areas, such as decorative concrete/paver patios that are integrated into the design of the landscaped area, may be included in the ten percent (10%) landscape coverage requirement.
3. All landscape improvements required in this chapter shall count toward fulfillment of the above minimum percentages.
4. If only a portion of a property is being developed, and if the city does not require improvements on the entire property, improvements to landscape shall continue a minimum of twenty five feet (25') (on site) beyond the proposed development.
D. Tree Retention, Removal and Replacement:
1. Retention Of Existing Trees:
a. Existing trees shall be retained unless removal is approved in writing by the city.
2. Removal And Replacement Of Existing Trees:
a. Where trees are approved by the city to be removed, replacement with a species identified in section 11A-3-7(Y) of this article is required. For each caliper inch of deciduous tree removed, an equivalent amount of caliper inches shall be replanted. For each vertical foot of coniferous tree removed, an equivalent amount of vertical feet shall be replanted.
Example: An eight inch (8") caliper deciduous tree is removed, an acceptable replacement would be four (4) two inch (2") caliper deciduous trees. A twelve foot (12') tall coniferous tree is removed, an acceptable replacement would be two (2) six feet (6') tall coniferous trees.
b. When a homeowners association or its agent removes tree(s) from a subdivision common area to appropriately thin an overgrown canopy, replacement shall not be required provided the site remains in compliance with subdivision's approved landscape plan as determined by the city.
c. Unless it is determined by the city that replacement is necessary to preserve and/or restore riparian and wildlife habitat, removal of the following trees shall not otherwise require replacement: black locust, poplar, cottonwood, willow, tree of heaven, elm, and silver maple. Trees which are weak wooded, weak branched, suckering, damaged, diseased, insect infested, or containing similar maladies may be exempt from replacement if removal is first approved by the city.
d. In cases where the condition of the tree(s) constitutes an "emergency" as defined in section 11A-1-5 of this title, the tree(s) may be removed without approval provided that the city is notified after the tree's removal and provided with documentation indicating the tree's condition at time of removal.
e. Planting within public rights of way shall be with approval from the city and the public entity owning the property.
3. Damage During Construction: Existing trees or shrubs that are retained shall be protected from damage to bark, branches, or roots during construction. Construction or excavation occurring within the drip line of any public or private retained tree or shrub may severely damage the tree or shrub. Any severely damaged tree shall be replaced in accordance with subsection D2 of this section.
4. Grade Changes And Impervious Surfaces: Grade changes and impervious surfaces shall be allowed at a distance from the trunk of a retained tree equal to the diameter of the tree trunk plus six feet (6'), or to the drip line, whichever is furthest from the trunk.
5. Minimum Landscaping: Existing vegetation which is to be retained may be used to satisfy the minimum required landscaping.
6. Existing Healthy Plants And Vegetation: Existing healthy native plants and vegetation to be retained within the habitat areas of special concern shall be identified on the habitat mitigation plan of the applicable PUMP as areas that are to be retained or replanted as native
E. Prohibited Materials And Landscaping:
1. No required landscape areas shall include artificial trees, plants, or any carpeting designed as a vegetative substitute. Artificial turf may be used for nonrequired landscape areas such as sports fields and putting greens.
2. Clear vision triangles shall be observed in regard to all vegetation. All shade trees planted within vision triangles shall be pruned to a minimum seven feet (7') above the adjacent sidewalk and fourteen feet (14') above the adjacent roadway surface whenever branches overhang such improvements. Shrubs and ground covers planted within the vision triangle shall not exceed three feet (3') height at maturity. The boundaries of the vision triangle shall be shown on the landscape plans and are defined by measuring from the intersection of the edges of two (2) adjacent roadways forty feet (40') along each roadway and connecting the two (2) points with a straight line. In all cases, ITD and ACHD standards shall apply also.
3. When the city determines that a sight obstruction exists, it shall notify the owner of the property upon which the obstruction is located and order that the obstruction be removed within fifteen (15) days.
4. All violations of these standards and Eagle city code shall be subject to the requirements of title 1, chapter 4 of the Eagle city code.
F. Installation And Minimum Standards:
1. Trees shall be planted in accordance with the city of Eagle tree planting specifications included as an exhibit within the EASD book. Accepted nursery standards and practices shall be followed in the planting and maintenance of landscaped areas.
2. Soil and slope stabilization must result after landscape installation. Soil and slope stabilization measures shall comply with those contained in the Spring Valley grading guidelines and hillside development standards. Manufactured slopes shall be revegetated within the first planting season following completion of construction.
3. Revegetation of slopes and other areas intended to reestablish native vegetation shall use a site specific, city approved upland revegetation seed mix consisting of plants contained in the native open space and upland revegetation plant list contained in subsection Y of this section. Native species are emphasized, but desirable nonnative species may also be used. Plugs, potted plants and transplants and a variety of grasses, forbs and shrubs may be added to reestablish a diverse stand of native or desirable plant species. Additional plants not on the list may be proposed, but must be approved by the city on the environmental landscape plan of the applicable PUMP.
4. Class I, II and III trees planted with the ACHD right of way shall meet the following ACHD minimum standards:
Class | Offset | Planter Width |
I | 5 feet1,2 | 10 feet |
II | 5 feet1 | 8 feet3 |
III | 5 feet1 | 10 feet |
Notes:
1. A 5 foot offset is required from the edge of sidewalk when the sidewalk is attached to the curb or 5 feet from the curb when no sidewalk exists.
2. Class I trees shall be planted where they will not overhang the sidewalk or curb without pruning.
3. A 6 foot wide planter may be allowed with an ACHD waiver and a root barrier.
5. Only class I trees may be planted under or within ten feet (10') of any overhead line.
6. Conifers are prohibited as a street tree, but are allowed outside the right of way and vision triangle.
7. Trees of any type shall not be planted within ten feet (10') of any streetlight, storm drain facility, drain inlet, structure of piping system, seepage bed, fire hydrant or utility box.
8. Root barriers shall be installed for all new trees planted adjacent to existing or proposed public or private sidewalks and paving. Root barriers shall extend a minimum of eighteen inches (18") below the subgrade on the sidewalk side and a minimum of twenty four inches (24") below subgrade on the curb side. Root barriers shall extend two inches (2") above the ground and key into the road feature. When trees are planted in formal patterns at consistent spacing along curbs and straight sidewalks, barriers shall be constructed at the same time as the street and the sidewalk. When trees are planted at minimum spacing, the barrier shall run continuously along both the curb and sidewalk features which it is designed to protect. When trees are planted in informal patterns at random spacing along meandering sidewalks, barriers may be installed at the time of planting. All root barriers within or adjacent to the public rights of way shall conform with ACHD and ITD standards.
9. All landscaped areas adjacent to vehicular areas shall be protected with an approved curbing material.
10. The minimum acceptable size for deciduous trees shall be two inch (2") caliper, balled and burlapped.
11. The minimum acceptable size for evergreen trees shall be six feet to seven feet (6' - 7') balled and burlapped.
12. A maximum of fifty percent (50%) of the required shrubs in a project shall be one gallon.
13. A minimum of fifty percent (50%) of the required shrubs in a project shall be five (5) gallon or larger.
14. Hydroseeding of plant material may be used in conjunction with container plants (shrubs, vines and ground covers) or by itself for revegetating disturbed areas but may not be used on the interior of commercial sites.
15. Wetland/riparian areas shall be established in accordance with the recommendations in the habitat mitigation plan. A wetlands/riparian plant list is provided in subsection Y of this section.
16. Plant material selection shall be taken from the plant list in subsection Y of this section.
17. a. Certification Of Completion: Upon the completion of the landscape installation, or other improvement subject to design review approval, a written certification of completion shall be prepared by the licensed landscape architect responsible for the landscape plan. The certification of completion shall state that the installation of all landscape improvements is in substantial compliance with the city approved landscape plan. This certification shall be submitted prior to the issuance of a certificate of occupancy and is required as a part of, and not in lieu of, the inspections performed and certificates issued by the city.
b. Report Of Deficiencies: In the event that deficiencies are present after the landscape installation, or other improvements subject to design review approval, the licensed landscape architect shall prepare and file with the city a report noting the deficiencies in the improvements. The city will not accept a certification of completion, or issue a certificate of occupancy, until the licensed landscape architect has verified that the deficiencies have been corrected.
c. Landscape Architect Designee: The licensed landscape architect may, at his or her discretion, appoint an authorized designee to certify the project provided that the designee is a licensed landscape architect.
d. Revegetated Upland Areas: Revegetated upland areas within the habitat areas of special concern (HASC) shall be exempt from this section. Upland areas, as identified in the habitat mitigation plan, shall not be deemed established and stabilized until seventy percent (70%) of the area no longer requires supplemental maintenance such as supplemental watering or additional planting/seeding. Until such time or three (3) years, whichever is shorter, the city shall hold a surety for thirty percent (30%) of the original improvement cost. In the event that insufficient funds are available in the surety to meet the establishment criteria, the Spring Valley master developer shall supplement funding in order to reach the establishment criteria or no further building permits associated with the subject plat will be approved.
G. Tree Species Mix:
1. When more than ten (10) trees are to be planted to meet the requirements of these guidelines, a mix of species shall be provided. The number of species to be planted shall vary according to the overall number of trees required to be planted. Species shall be planted in proportion to the required mix. See the table below:
Required Number Of Trees | Minimum Number Of Species |
11 - 20 | 2 |
21 - 30 | 3 |
31 - 40 | 4 |
41+ | 5 |
2. In cases where a formal and consistent landscape design concept is desired, such as in the village center area or a formal streetscape, a minimum of one species shall be planted when eighty (80) or less trees are required and a minimum of two (2) species shall be planted when over eighty (80) trees are required.
3. Landscape shall be designed to maintain its interest throughout the entire year. A minimum of fifty percent (50%) of the required trees and shrubs in a project shall be deciduous and a minimum of twenty percent (20%) shall be evergreen.
H. Maintenance:
1. All required landscapes shall be permanently maintained in a healthy growing condition by the property owner or property owner's representative. This includes the maintenance of street trees and/or other landscape materials within or abutting the public right of way adjacent to the subject property. The property owner or property owner's representative shall remove, and if required to meet the standards of these requirements, shall replace any unhealthy or dead plant material immediately or as the planting season permits. In all cases, maintenance and planting within public rights of way shall be with approval from the public and/or private entities owning the property.
2. An initial and long term monitoring and maintenance plan shall be developed prior to preliminary platting by the master developer and implemented by the property owner for native revegetated areas and undisturbed areas within the habitat areas of special concern (HASC), as identified in the habitat mitigation plan, to gauge the success of revegetation efforts. A noxious weed control plan was developed as part of the habitat mitigation plan and will be implemented by the property owner to reduce and control invasive and noxious weeds within the HASC.
I. Completion Time:
1. The administrator may authorize a delay in the completion of planting if a surety for one hundred fifty percent (150%) of the cost of installation is provided to the city. The developer may be provided progressive payments out of the surety to the extent of the cost of the completed portion of the required improvement is completed, inspected and deemed approved by the city of Eagle.
J. Irrigation Required: An underground automatic irrigation system is required for all development, as defined in section 11A-3-1 of this chapter, except as described below:
1. All required landscaped areas must be provided with an automatic underground irrigation system except upland revegetation areas that are intended to be naturalized (consisting of plant species that are indigenous to or compatible with the area and do not require permanent irrigation). An aboveground system or hand watering may be used on a temporary basis until such areas are established and stabilized. Such areas are considered established and stabilized when a minimum of seventy percent (70%) of the revegetated area can exist without such supplemental watering.
2. The system shall be equipped with a reduced pressure backflow prevention device.
3. All spray irrigation systems shall be designed and constructed to provide one hundred percent (100%) spray coverage.
4. Irrigation systems shall be circuited and zoned for exposure, topography and the varying water requirements of the plant material.
5. Appropriate sprinkler heads shall be selected and placed as required to reduce direct and indirect overthrow and overflow onto nonpervious areas (walks, drives, etc.).
6. Overhead or spray irrigation may be used to water turf, pastures, slopes and berms, flowerbeds and hydroseeded areas.
7. Drip or subterranean irrigation shall be used to water trees (except those in turf areas), shrubs and ground covers.
8. Use of nonpotable water (treated effluent or reuse water) for use in the irrigation of lawn and plant material is required for public and common areas when available. Such systems may be phased or transitioned from potable water as treated effluent becomes available over time. Areas for transition shall be identified on the irrigation plans. Such public and common areas include:
a. Landscape along arterial and collector roadways.
b. Parks and sports fields.
c. Golf courses.
d. Community gardens.
e. Lakes and ponds.
f. Slopes.
9. Reuse water may also be used for aquifer recharge and recovery subject to IDWR approval.
10. The master developer shall install the reuse system that is separate from the potable water system and meets all applicable state and local regulations. Stubs shall be provided to individual parcels to allow parcel developers to tie into the system as needed to irrigate common areas within the parcel. Such system may initially be installed as a dry line system to provide future connection to the reuse system when reuse water becomes available.
11. All nonpotable water access points shall be clearly and permanently labeled with markers indicating that the water is not safe for human consumption.
12. Maintain all irrigation systems to ensure proper operation and water conservation.
K. Buffer Areas/Common Lots:
1. Definition: A transition zone or buffer area consists of horizontal space (land) and vertical elements (plants, berms, fences, or walls). The purpose of such buffer space is to physically separate and visually screen adjacent land uses which are not fully compatible due to differing facilities, activities, or different intensities of use, such as townhouses and a convenience store, or a high volume roadway and residential dwellings.
2. Minimum Requirements:
a. When a nonresidential use abuts a residential use, a ten foot wide by six foot high (10' x 6') landscaped buffer is required.
b. When a nonresidential parking lot abuts a residential activity, a five foot wide by six foot high (5' x 6') landscaped buffer is required.
c. To conceal outdoor storage areas, trash receptacles, exposed equipment associated with any commercial or industrial activity, and off street loading when adjacent to or in view from a residential activity or public street right of way, a five foot wide by six foot high (5' x 6') landscaped buffer is required.
3. Materials:
a. All buffer areas shall be comprised of, but not limited to, a mix of evergreen and deciduous trees, shrubs, and ground cover in which evergreen plant materials comprise a minimum of sixty percent (60%) of the total plant material used.
b. Height requirements shall be accomplished with plant material, with a fence or decorative wall.
c. The required buffer area shall result in an effective barrier within three (3) years and be maintained such that sixty percent (60%) or more of the vertical surface is closed and prevents the passage of vision through it.
d. Chainlink fencing, with slats or otherwise, and cedar fencing is prohibited for screening.
4. Major Roadways: Residential developments within Spring Valley, including, but not limited to, subdivisions and multi-family developments, shall be buffered from streets classified as collectors, arterials, and state highways, as shown on exhibit 3-A of this section, or as determined by ACHD or ITD, to protect residential communities from noisy, potentially dangerous, high speed roads. The "buffer area" shall be defined as a common lot located between the residential lots within the subdivision and the right of way line of the adjacent roadway. This buffer is required as part of the common area open space owned and maintained by a homeowners' association. Any landscaping proposed to be within the public right of way shall not be included as a part of the buffer area required below. The height for berming/fencing, except as noted below, shall be measured from the elevation of the final grade of the adjacent roadway (measured at the centerline) to the top of the proposed berming/fencing. The required buffer area width, plantings, walls and fencing are described in subsection L of this section.
EXHIBIT 3-A
MASTER STREETS AND CIRCULATION PLAN
L. Streetscapes: The following standards shall apply to Spring Valley internal and perimeter roadways as shown on exhibit 3-A of this section. In all cases, any planting within public rights of way shall be with approval from the public entity owning the property. (The rights of way widths and pavement areas in the sections below are shown for illustrative purposes only. Actual rights of way widths and lane configurations will be determined by ACHD and ITD as appropriate.)
1. Foothills Arterial Streets:
a. The landscape buffer for foothills principal arterials shall be thirty feet (30') minimum except adjacent to single-family residential uses where it shall be fifty feet (50') minimum (not including right of way). See exhibit 3-B of this section.
b. The landscape buffer for foothills minor arterials (not including Willow Creek Road which is described below) shall be twenty four feet (24') minimum except adjacent to single-family residential uses where it shall be thirty five feet (35') minimum (not including right of way). See exhibit 3-C of this section.
c. A detached sidewalk shall be provided on both sides of the street at least eight feet (8') from the back of curb. The sidewalk shall be a minimum of five feet (5') wide and may or may not meander depending on the streetscape approved by the city with the PUMP. Sidewalks may be attached to the curb in front of bus pullouts but shall be six feet (6') minimum width in such locations. An eight foot (8') wide multiuse pathway on one side of the road may be approved by the city within low density areas (1 acre lots and larger) or along roadways adjacent to regional open space.
d. The following plant material shall be provided, at a minimum, within the limits of the buffer area along arterial streets:
(1) Three (3) trees per one hundred (100) linear feet of street frontage on each side of the street except next to single-family residential uses where there shall be four (4) trees per one hundred (100) linear feet.
(2) One shrub/ground cover per seventy five (75) square feet of buffer area (excluding sidewalks, drives and other hardscape areas). Turf may be used in place of shrubs/ground covers, but the amount used shall not exceed fifty percent (50%) of the landscape area on a plat by plat or phase by phase basis.
(3) The landscape planting along Linder Road and the Highway 16 principal arterial through BLM shall be determined in consultation with BLM and the city.
e. A minimum five foot (5') high, maximum eight foot (8') high, berm, decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall, or fence, or combination thereof shall be provided within or at the limits of the buffer area adjacent to single-family residential lots or at the property line of such lots. The maximum slope for any berm, if provided, shall be three feet (3') horizontal distance to one foot (1') vertical distance. If a decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall is to be provided in combination with the berm, a four foot (4') wide flat area shall be provided for the placement of the decorative wall. Chainlink, cedar, and similar high maintenance and/or unsightly fencing shall not be permitted. Walls or fencing are not required adjacent to multi-family residential uses, except when necessary to provide a buffer to enclose private outdoor living space, nonresidential uses or open space.
EXHIBIT 3-B
EXHIBIT 3-C
2. Collector Streets:
a. The landscape buffer for collector streets shall be twenty feet (20') minimum except where it is adjacent to single-family residential uses where it shall be thirty five feet (35') minimum (not including right of way). See exhibit 3-D of this section.
b. A detached sidewalk shall be provided on both sides of the street at least eight feet (8') from the back of curb. The sidewalk shall be a minimum of five feet (5') wide and may or may not meander depending on the streetscape concept shown on the PUMP. Sidewalks may be attached to the curb in front of bus pullouts, dropoff areas, on street parking areas, and similar circumstances as approved by ACHD and the city, but shall be six feet (6') minimum width in such locations. An eight foot (8') wide multiuse pathway on one side of the street may be approved by the city within low density areas (1 acre lots and larger) or along streets adjacent to regional open space depending on the streetscape approved by the city on the PUMP.
c. The following plant material shall be provided, at a minimum, within the limits of the buffer area:
(1) Two (2) trees per one hundred (100) linear feet of street frontage except next to single-family residential uses where there shall be three (3) trees per one hundred (100) linear feet.
(2) One shrub/ground cover per seventy five (75) square feet of buffer area (excluding sidewalks, drives and other hardscape areas). Turf may be used in place of shrubs/ground covers, but the amount used shall not exceed fifty percent (50%) of the landscape area on a plat by plat or phase by phase basis.
d. A minimum five foot (5') high, maximum eight foot (8') high, berm, decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall, or fence, or combination thereof shall be provided within or at the limits of the buffer area adjacent to single-family residential lots or at the property lines of such lots. The maximum slope for any berm, if provided, shall be three feet (3') horizontal distance to one foot (1') vertical distance. If a decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall is to be provided in combination with the berm, a four foot (4') wide flat area shall be provided for the placement of the decorative wall. Chainlink, cedar, and similar high maintenance and/or unsightly fencing shall not be permitted. Walls or fencing are not required adjacent to multi-family residential uses except when necessary to provide a buffer to enclose private outdoor living space, nonresidential uses or open space.
EXHIBIT 3-D
3. Urban Streets:
a. Urban streets may be arterials, collectors or local streets, or stretches thereof, which are located within a plan area designated as a Community Center or Neighborhood Center within the approved Planning Unit Master Plan (PUMP).
b. There shall be no minimum landscape buffer required, however, the minimum setback from the back of curb to the front plane of the building shall be sixteen feet (16'). See exhibit 3-E of this section.
c. Urban streets shall have an attached or detached sidewalk on both sides of the street unless located adjacent to Regional Open Space (ROS). Where this condition exists, the sidewalk shall be on the residential side only. Sidewalks shall be a minimum of eight feet (8') wide. Street trees in the sidewalk area shall be planted in tree wells with tree grates or cutouts a minimum of four feet (4') square while providing a minimum five foot (5') clear sidewalk width. Any patios or outdoor dining and seating areas between the back of curb and building will also provide a minimum five foot (5') clear sidewalk width. Paved and/or landscaped bulb outs or thirty to sixty degree (30 - 60°) angle entries shall be provided at intersections where on street parking is provided.
d. Landscape setbacks not owned by a public entity shall be owned and maintained by an individual property owner or owners' association, whichever the case may be.
e. The following plant material shall be provided at a minimum, between the back of curb and building:
(1) One tree per thirty five (35) linear feet of street frontage (including driveways) on each side of the street.
EXHIBIT 3-E
4. Local Residential Streets:
a. There are no landscape buffers for local residential streets. The minimum setback for local streets (both public and private) in single- and multi-family residential uses shall correspond to the building setbacks identified in section 11A-2-4, tables 2.2, "Single-Family Residential District Development Standards", and 2.3, "Multi-Family Residential District Development Standards", of this title.
b. An attached or detached sidewalk shall be provided on both sides of the roadway as shown on exhibit 3-F of this section. If the sidewalk is detached it must be at least six feet (6') from the back of curb with a root barrier or eight feet (8') without a root barrier to support a class II tree and ten feet (10') to support a class III tree. The sidewalk shall be a minimum of five feet (5') wide and may or may not meander depending on the streetscape concept. The sidewalk requirement may be waived as part of the PUMP approval in the following conditions:
(1) A single loaded street adjacent to a slope (sidewalk shall be required on the loaded side only).
(2) A double loaded street in a hillside area where topographic constraints allow sidewalk on one side of the street only to minimize grading.
(3) Single-family special lot (SFSL) neighborhoods as detailed in the Spring Valley development standards (sidewalk shall be required on at least 1 side of the street).
(4) Low density (1 acre and larger lots) neighborhoods (sidewalk requirement may be waived where a striped 4 foot wide shoulder is provided).
c. One shade class (class II or class III) selected from the approved tree list in subsection Y of this section shall be located on both sides of all streets with the landscape strip between the sidewalk and the curb. If the sidewalk is attached, then the tree shall be planted a minimum five feet (5') in back of the sidewalk. Trees shall be planted at the front of each lot generally located on each side of the lot line corner with the distance between trees to be a minimum of thirty five feet (35') and a maximum of eighty feet (80') of street frontage.
d. All mailboxes shall be located outside of the minimum sidewalk width and outside of required sight triangles.
EXHIBIT 3-F
5. Willow Creek Road:
a. The landscape buffer for Willow Creek Road shall be one hundred feet (100') minimum (not including the right of way). See exhibit 3-G of this section.
b. The following shall be provided, at a minimum, within the limits of the buffer area:
(1) Three (3) trees and eighteen (18) shrubs per one hundred (100) linear feet of right of way.
(2) A minimum ten foot (10') wide, decomposed granite, multiuse trail to be owned and maintained by the owners' association. If the trail is to be dedicated to the city, the trail's location and materials shall be subject to recommendation by the parks and pathways development commission and approval by the city council.
c. A minimum five foot (5') high, maximum eight foot (8') high, berm, decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall, or fence, or combination thereof shall be provided within or at the limits of the buffer area adjacent to single-family residential lots or at the property line of such lots. The maximum slope for any berm, if provided, shall be three feet (3') horizontal distance to one foot (1') vertical distance. If a decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall is to be provided in combination with the berm, a four foot (4') wide flat area shall be provided for the placement of the decorative wall. Chainlink, cedar, and similar high maintenance and/or unsightly fencing shall not be permitted. Walls or fencing are not required adjacent to multi-family residential uses except where necessary to provide a buffer to enclose private outdoor space, nonresidential uses or open space.
EXHIBIT 3-G
6. State Highway 16:
a. The landscape buffer for State Highway 16 shall be one hundred feet (100') minimum next to residential uses and sixty feet (60') minimum next to nonresidential uses (not including right of way). See exhibit 3-H of this section.
b. The following plant material shall be provided, at a minimum, within the limits of the buffer area:
(1) Five (5) trees and twenty (20) shrubs/ground covers per one hundred (100) linear feet of right of way. Turf may be used in place of shrubs/ground covers, but the amount used shall not exceed fifty percent (50%) of the landscape area on a plat by plat or phase by phase basis.
(2) Additional plant material may be provided within the ITD right of way subject to a license agreement with ITD.
c. A minimum ten foot (10') high, maximum twelve foot (12') high, berm, decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall, or combination thereof shall be provided within the buffer area adjacent to residential lots. The height of the berm and/or wall shall be measured from the elevation of the grade beneath such berm and/or wall. The maximum slope for any berm shall be three foot (3') horizontal distance to one foot (1') vertical distance. If a decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall is to be provided in combination with the berm, a four foot (4') wide flat area shall be provided for the placement of the decorative wall. Chainlink, cedar, and similar high maintenance and/or unsightly fencing shall not be permitted. A berm or decorative wall is not required adjacent to nonresidential uses.
EXHIBIT 3-H
7. Medians:
a. The minimum width of a median, if provided, that will support trees is eight feet (8') for class II trees and ten feet (10') for class I and III trees. The minimum width of a median that will support turf is ten feet (10'). The minimum width of a median that will support shrubs and ground covers is four feet (4'). If a median or median nose is narrower than four feet (4'), the area shall be filled with stamped concrete, decorative pavers or rock. Medians will generally be provided on arterial, collector and urban streets.
b. The following plant material shall be provided, at a minimum, within the median:
(1) One tree per fifty (50) linear feet of median (a minimum of 2 trees are required in medians over 35 feet in length).
(2) One shrub/ground cover per seventy five (75) square feet of landscaped area. Turf may be used in place of shrubs/ground covers, but the amount of turf shall not exceed fifty percent (50%) of the landscaped area on a plat by plat or phase by phase basis.
(3) In the event a median is less than thirty five feet (35') in length, a single tree shall be permitted. Shrub/ground cover and turf requirements (above) would apply.
8. Streetscape Design Concepts: Landscape along Spring Valley roadways shall be arranged in formal or informal patterns, or a combination of both. Formal landscape patterns (exhibit 3-I of this section) consist of plants arranged in consistent spacing and/or massing patterns while informal landscape patterns (exhibit 3-J of this section) consist of plants arranged in less consistent or random spacing and/or massing patterns. Straight sidewalks are usually associated with formal streetscapes while meandering sidewalks are usually associated with informal streetscapes. The street classification and streetscape concept for each roadway shall be consistent with the approved environmental landscape plan for the PUMP that contains that roadway.
EXHIBIT 3-I
EXHIBIT 3-J
9. Wildlife Crossings: Wildlife movement corridors have been identified in sections 7.4.1 and 7.4.2 of the habitat mitigation plan. Wildlife crossing points along roadways shall be approved by the city identified on the environmental landscape plan of the applicable PUMP.
All crossings shall follow the recommendation in the habitat mitigation plan to minimize conflicts between animals and vehicles. Such measures, including provision of culverts, grade separations, fencing, traffic control measures and low plantings for driver visibility, shall be shown on the plat and landscape plans for the appropriate areas.
M. Parks, Open Space And Common Areas:
1. Parks within Spring Valley shall be planted, at a minimum, with the following:
a. Turf, either seed or sod.
b. One tree per one thousand two hundred (1,200) square feet of nonpervious space.
c. Four (4) shrubs/ground covers per tree.
2. Parks shall contain at least five (5) of the following amenities:
a. Ball field.
b. Sports court.
c. Swimming pool and/or spa.
d. Recreation/community building.
e. Restroom building.
f. Play equipment.
g. Shade structure.
h. Picnic table.
i. Bench.
j. Barbecue grills.
k. Trash container.
l. Sidewalk/trail.
m. Bike rack.
n. Pet refuse container.
3. Open space tracts and common areas that are not considered parks, roadway landscape buffers, or parking area perimeters shall be planted, at a minimum, with the following:
a. One tree per one thousand two hundred (1,200) square feet.
b. Four (4) shrubs/ground covers per tree. Hydroseeding may be used in conjunction with plants or by itself for revegetating disturbed areas.
c. If turf is used, every fourteen (14) square feet of turf shall count for one shrub/ground cover, however, turf shall not exceed thirty percent (30%) of the open space or common area or the required shrub/ground cover quantities.
N. Wetland/Riparian Areas: Wetland and riparian area construction and maintenance shall follow the principles and guidelines contained in sections 7.4.3 through 7.4.5 and appendix B of the Spring Valley habitat mitigation plan. A plant list for wetland/riparian areas is contained in subsection Y of this section.
O. Slope Revegetation For Naturalized Areas: Disturbed and manufactured slopes with the habitat areas of special concern (HASC), as identified in the habitat mitigation plan, that are intended to be restored to a natural like condition shall be identified on the planning unit master habitat mitigation plan and revegetated with a combination of grasses, forbs and shrubs native to the region or otherwise favorable to regional climactic and soil conditions. Revegetation may also occur on other existing open space areas to be retained within the HASC that have been affected by fire or have otherwise been degraded.
1. Revegetation shall follow the recommendations and criteria in the habitat mitigation plan, sections 7.4.4 through 7.4.5.
2. A plant list for use in natural slope revegetation in upland areas is contained in subsection Y of this section. Seed mixes and rates shall be based on natural resource conservation service (NRCS) or other approved guidelines. Seed mixes may be adjusted as necessary according to the response and success of the revegetation project. Native and approved nonnative shrubs may also be planted from container material, plugs or transplants to supplement the seed mix to increase the success rate of the revegetation application and for soil stability and aesthetics.
3. Native species shall be emphasized, but desirable nonnative species may also be included for structural and functional components. Nonnative species shall be sterile or nonaggressive, i.e., they will not compete or displace more desirable native species.
4. Temporary irrigation may be used to facilitate plant establishment and growth rates but shall be discontinued after establishment as defined in subsection F17d of this section.
5. Seedings without irrigation shall be allowed to germinate for approximately one year based on seasonal and time constraints. The following year (early spring), plugs, supercells, potted plants and transplants of a variety of grasses, forbs and shrubs may be added to reestablish a diverse stand of native or desired species.
6. Seed application shall be by rangeland drill (set to the appropriate depth) or broadcasting (hydroseeding). Broadcast seeding shall require scarification of the soil surface.
7. All areas shall be classified in a noxious zone at the time of PUMP approval. Noxious weed control shall comply with the noxious weed containment plan per section 7.4.5 of the habitat mitigation plan.
8. Success of revegetation objectives shall be based on the habitat quality descriptors defined in table 2 of the habitat mitigation plan.
9. All natural slope revegetation shall be fully established within five (5) growing seasons. Such areas shall be considered established when a minimum of seventy percent (70%) of the plants can exist on rainfall alone, see subsection F17d of this section.
P. Single-Family Residential Neighborhoods:
1. Landscape Along Local Streets: Landscape along local streets shall be in accordance with the requirements in subsection L4c of this section.
2. Common Open Space:
a. Single-family residential neighborhoods (except those in the RR and ER districts) shall contain a minimum of six hundred (600) square foot common open space per lot of which a minimum of fifty percent (50%) shall be an amenity area for active and/or passive recreation. An "amenity area" is defined as ground with a slope of ten percent (10%) or less.
b. The following shall be provided, at a minimum, within the amenity area:
(1) One tree for every one thousand two hundred (1,200) square feet of landscapable area.
(2) Turf in fifty percent (50%) of the landscaped area.
(3) Seventy five percent (75%) vegetative cover (shrubs/ground covers) in nonturf landscaped areas after three (3) years of planting.
(4) A walkway and seating area with bench.
(5) A trash receptacle and pet refuse bag dispenser.
(6) Walkway/pathway linkage to a regional or community trail when adjacent to such trail.
c. Optional items within amenity areas shall include, but are not limited to:
(1) Children's play area with play structure.
(2) Shade structure.
(3) Picnic table(s) and barbecue grill(s).
3. Landscape Within Common Areas: Landscape within common areas outside of amenity areas shall be in accordance with the requirements in subsection M3 of this section.
Q. Multi-Family Residential Neighborhoods (3 Or More Attached Units):
1. On Site Project Landscape: Landscape shall cover a minimum of fifteen percent (15%) of the property. Hardscape plaza areas, such as decorative concrete paver patios that are integrated into the design of the landscape area may be included in the fifteen percent (15%) landscape coverage requirement.
2. Parking Lot Landscape: See subsection S, "Parking Lot Landscape", in this section.
3. Amenity/Common Area Landscape:
a. Amenity Areas: Amenity areas shall be landscaped per the following minimum requirements:
(1) One 2-inch caliper tree for every one thousand two hundred (1,200) square feet of total landscape area. Additional trees may be one inch (1") caliper in size.
(2) Seventy five percent (75%) minimum vegetative cover for nonpaved areas after three (3) years of planting.
b. Common Areas: General landscape areas within projects exclusive of parking lot areas, street frontage areas and recreation areas shall be planted per the following minimum requirements:
(1) One 2-inch caliper tree for every one thousand two hundred (1,200) square feet of total landscape area. Additional trees may be one inch (1") caliper in size.
(2) Seventy five percent (75%) minimum vegetative cover for nonpaved areas after three (3) years of planting.
4. Boulders And Rock Mulch:
a. Boulders and rock outcroppings, if used, shall be buried at least fifty percent (50%) so as to appear as natural rock outcroppings.
b. All decorative rock mulch materials used on site shall be earth toned. White or multicolored materials are not permitted.
R. Nonresidential Projects:
1. On Site Project Landscape:
a. A minimum of ten percent (10%) of the total parcel area shall be landscaped. Pedestrian walkways, outdoor pedestrian plazas and hardscape features are considered landscape for this requirement.
b. Landscape shall be designed and maintained to not obstruct the visibility of signage and sightlines for vehicular traffic and pedestrians.
c. Landscape areas shall be planted per the following:
(1) A minimum of one tree per one thousand two hundred (1,200) square feet of total landscape area shall be provided throughout the site landscape area except in the parking areas that are subject to requirements identified in subsection S of this section.
(2) The minimum tree size at site entries and pedestrian plazas shall be three inch (3") caliper for emphasis. Remaining trees shall be a minimum two inch (2") caliper.
(3) Shrubs shall be a minimum of five (5) gallon in size. Ground cover shall be a minimum one gallon in size.
(4) Trees planted in paved areas shall be planted in appropriately sized tree wells with tree grates or planters for the tree type selected. The minimum dimension of tree wells or planters shall be four feet (4').
2. Parking Lot Landscape: See subsection S, "Parking Lot Landscape", of this section.
3. Boulders And Rock Mulch:
a. Boulders and rock outcroppings, if used, shall be buried at least fifty percent (50%) so as to appear as natural rock outcroppings.
b. All decorative rock mulch materials used on site shall be earth toned. White or multicolored materials are not permitted.
S. Parking Lot Landscape:
1. Visual Impact: Landscape shall be provided to minimize the visual impact of off street parking: Parking should be located to the side and rear of buildings and shall be screened so that it does not dominate the streetscape. Walls, fences, hedges, berms, and landscape may be used to screen parking areas (chainlink and cedar fencing shall not be permitted). In the design of large parking areas, arrange bays of parking spaces to be separated by landscape. When parking lots occur on sloping terrain, step the parking lots to follow the terrain rather than allowing the lot surface to extend above natural grade.
2. Parking Lot Landscape Strip: A landscape strip shall be provided when a parking lot is located adjacent to a public right of way. The landscaped strip shall serve to shield views of parked cars to passing motorists and pedestrians, and to establish coordination among architecturally diverse buildings, which creates a pleasing, harmonious appearance along the roadway.
Four (4) options are provided for fulfilling this requirement as shown on exhibit 3-K of this section:
a. Provide a ten foot (10') wide landscaped strip between the property line and the parking lot, and plant with a minimum of one shade tree and ten (10) shrubs per thirty five (35) linear feet of frontage, excluding driveway openings.
b. Provide an earth berm of thirty inches (30") minimum height (do not exceed 3:1 slope) within a ten foot (10') wide landscaped strip between the property line and the parking lot, and plant with a minimum of one shade tree and five (5) shrubs per thirty five (35) linear feet of frontage, excluding driveway openings.
c. Provide a six foot (6') landscaped strip with a minimum thirty inch (30") grade drop from the property line to the parking lot, and plant with a minimum of one shade tree and five (5) shrubs per thirty five (35) linear feet of frontage, excluding driveway openings. Root barriers shall be required for all trees in planter less than ten feet (10') in width next to a sidewalk, roadway or paved parking area.
d. Provide a three foot (3') high wall, fence of brick, stone, or decorative block or concrete along with a six foot (6') wide landscaped strip between the property line and the parking lot, and plant a minimum of one shade tree and five (5) shrubs per thirty five (35) linear feet of frontage, excluding driveway openings. Root barriers shall be required for all trees in planter less than ten feet (10') in width next to a sidewalk, roadway or paved parking area.
EXHIBIT 3-K
3. Parking Lot Perimeter Landscape: Perimeter landscape requirements define parking areas and prevent two (2) adjacent lots from becoming one large expanse of paving. This requirement does not hinder the ability to provide vehicular access between lots.
a. Provide a minimum five foot (5') wide perimeter landscaped strip between the property lines and the parking lot, and plant with a minimum of one shade tree and five (5) shrubs per thirty five (35) linear feet of perimeter.
b. Provide a minimum ten foot (10') wide landscaped strip between the parking lot and adjacent buildings and plant with a minimum of one shade tree and five (5) shrubs per thirty five feet (35') of perimeter.
c. See exhibit 3-L of this section for additional information.
4. Parking Lot Interior Landscaping:
a. Calculated Amount: Interior parking lot landscape shall be required on any parking lot with ten (10) spaces and above. The required amount of landscape is based on a sliding scale, as follows:
Total Number Of Spaces | Percent Of Total Area Of A Lot That Must Be An Interior Landscaped Area |
10 - 20 | 5 percent |
21 - 50 | 8 percent |
51+ | 10 percent |
b. Additional Requirements:
(1) A landscaped island or a planter extending the length of the parking row shall be provided for a maximum of every twelve (12) consecutive spaces. When diamond planters are used, one shall be provided for every six (6) consecutive spaces.
(2) A terminal island shall be placed at the end of a row of parking.
(3) No parking island shall be less than six feet (6') in any dimension.
(4) The length of a parking island shall be the same as the parking space that it is adjacent to.
(5) No parking space shall be more than sixty feet (60') from an interior landscaped area.
(6) Parking islands are to be as evenly spaced as feasible throughout the lot to consistently reduce the visual impact of long rows of parked cars.
(7) Deciduous shade trees and ground covers or low shrubs are recommended as primary plantings in interior landscaped areas. Deciduous shade trees are to be clear branched to a height of six feet (6').
(8) A terminal or interior island for a single row of parking spaces shall be landscaped with at least one tree and shrubs, ground cover, or grass. A terminal or interior island for a double row of parking spaces shall contain not less than two (2) trees and shrubs, ground cover, or grass.
(9) Parking lot tree requirements shall be met even when covered parking structures are used. Accent trees may be substituted for shade trees next to covered parking structures where such structures exist.
(10) See exhibit 3-L of this section for further information.
EXHIBIT 3-L
T. Landscaped Commercial Strips:
1. Landscaped strips shall be provided between all nonresidential building development and roads classified as a local street to lend continuity among different architectural styles, screen unsightly views, establish a pleasing view for motorists, and create a safe and pleasant corridor for pedestrians.
a. The landscaped strip shall be ten feet (10') wide minimum and planted with one shade tree and ten (10) shrubs for every thirty five feet (35') of street frontage. Two (2) ornamental or two (2) evergreen trees may be substituted for one shade tree.
U. Wildfire Protection: The North Foothills are prone to wildfires. Landscape design shall be reviewed and approved by the applicable fire districts for consistency with the Spring Valley wildfire management plan approved by the Eagle and Star fire district.
V. Incentives:
1. The administrator may reduce the site parking requirements by up to five percent (5%) of the required number of spaces if the proposed landscape plan incorporates the retention of existing significant trees, particularly in the interior of the site.
2. The administrator may reduce the site parking requirements by up to five percent (5%) of the required number of spaces if the proposed landscaping exceeds the requirements of these guidelines by fifteen percent (15%) or more.
3. The administrator may reduce technical standards of parking lot design where paving requirements conflict with the retention of significant trees.
W. Alternative Methods Of Compliance:
1. Project Conditions: It is not the intent of these landscape requirements to inhibit creative solutions to land use problems. Under certain site conditions, a strict interpretation of requirements may be either physically impossible or impractical. Alternative compliance is a procedure that allows certain modifications to existing regulations within this chapter. Requests for use of alternative landscaping schemes are justified only when one or more of the following conditions apply:
a. The sites involve space limitations or unusually shaped parcels;
b. Topography, soil, vegetation, or other site conditions are such that full compliance is impossible or impractical;
c. Due to a change of use of an existing site, the required buffer yard is larger than can be provided; and
d. Safety considerations are involved.
2. Request For Alternative Method Of Compliance: The applicant must provide the city with a written request if an alternative method of compliance is proposed. The request shall state which requirement as set forth within this chapter is to be modified, what project conditions stated within subsection W1 of this section justify using the proposed alternative, and how the proposed alternative equals or exceeds said requirement.
3. Tree Fund: Persons applying for an alternative method of compliance for relief from regulations that require all existing trees to remain on site may elect to make a financial contribution to the Eagle city tree fund in lieu of retaining all trees on site. The condition(s) which warrants the need for the tree fund alternate method of compliance shall be specified in the application submitted under subsection W2 of this section. If the application is approved, the amount to be contributed by the applicant will be based upon the total caliper inches of deciduous tree(s) removed from the site and the total vertical feet of coniferous trees removed from the site. Cost per caliper inch for deciduous trees and cost per vertical foot for coniferous trees shall be determined by resolution of the city council. The applicant shall have the right to review and consider the value determination, and following said review, to reapply for other alternative methods of compliance, without prejudice, in accordance with subsection W2 of this section.
X. Plan Preparation: Preparing a landscape plan requires special skills. Landscape design involves more than a simple arrangement of plants with irrigation; plants are not haphazardly placed in a way that fills up leftover space. Landscape plans should reflect a theme so that site elements are artfully and technically organized in a way that conveys meaning, coherence, and spatial organization. Landscape should enhance the physical environment as well as the project's aesthetic character. Therefore, landscape plans to be submitted for approval shall be prepared by or under the responsible control of a licensed landscape architect with said plans to be duly stamped to clearly identify the preparer.
Y. Approved Plant List: This list is a suggested planting list for Spring Valley. Other plant species and varieties will be considered and may be used subject to SVDRC and city approval. ACHD and/or ITD approval will also be required, as appropriate, if the plant is a street tree or is located within the public right of way. An "X" in the far right column next to a tree descriptor indicates the tree is allowed as a street tree. The list contains, at the end of this subsection, plants intended for use in the establishment of wetland/riparian and upland natural slope areas in accordance with the recommendations contained in the habitat mitigation plan.
SPRING VALLEY PLANT LIST
Small Trees (Class I)
Botanical Name | Common Name | Street Trees |
Botanical Name | Common Name | Street Trees |
Acer campestre | Hedge maple | X |
Acer ginalla | Amur maple | X |
Acer glabrum | Rocky mountain maple | X |
Acer grandidentatum | Bigtooth maple | X |
Amelanchier alnifolia | Saskatoon serviceberry | X |
Amelanchier canadensis | Canadian serviceberry | X |
Cercidiphyllum japonicum | Katsuratree | X |
Cercis canadensis | Eastern redbud | X |
Chilopsis linearis | Desert willow | X |
Cornus Florida | Flowering dogwood | X |
Cornus Florida "cloud 9" | Flowering dogwood | X |
Cornus kousa | Kousa dogwood | X |
Cotinus coggygria | Common smoketree | X |
Crataegus douglasii | Douglas hawthorn | X |
Crataegus laevigata | English hawthorn | X |
Crataegus monogyna | Singleseed hawthorn | X |
Crataegus phaenopyrum | Washington hawthorn | X |
Crataegus virdis | Green hawthorn | X |
Crataegus x lavallei | Lavalle hawthorn | X |
Koelreuteria paniculata | Goldenraintree | X |
Koelreuteria paniculata "September" | Goldenraintree | X |
Magnolia stellata | Star magnolia | X |
Magnolia x soulangiana | Saucer magnolia | X |
Malus "Indian magic" | Indian magic crabapple | X |
Malus "prairie fire" | Prairie fire crabapple | X |
Malus "profusion" | Profusion crabapple | X |
Malus "radiant" | Radiant crabapple | X |
Malus "spring snow" | Spring snow crabapple | X |
Prunus blireiana | Blireiana plum | X |
Prunus cerasifera | Purpleleaf plum | X |
Prunus cerasifera "Newport" | Newport cherry plum | X |
Prunus cistena "big cis" | Big cis plum | X |
Prunus serrulata | Oriental cherry | X |
Prunus subhirtella | Higan cherry | X |
Prunus virginiana | Common chokecherry | X |
Prunus x yedoensis | Yoshino cherry | X |
Pyrus calleryana | Callery pear | X |
Pyrus calleryana "aristocrat" | Callery pear | X |
Pyrus calleryana "capital" | Callery pear | X |
Pyrus calleryana "chanticleer" | Callery pear | X |
Pyrus calleryana "Cleveland" | Callery pear | X |
Pyrus calleryana "redspire" | Callery pear | X |
Rhus typhina | Staghorn sumac | X |
Rhus typhina "laciniata" | Staghorn sumac | X |
Syringa reticulata | Japanese tree lilac | X |
Syringa reticulata "ivory silk" | Japanese tree lilac | X |
Medium Trees (Class II)
Botanical Name | Common Name | Street Trees |
Botanical Name | Common Name | Street Trees |
Acer nigrum | Black maple | X |
Acer platanoides | Norway maple | X |
Acer pseudoplatanus | Sycamore maple | X |
Acer saccharum | Sugar maple | X |
Acer truncatum | Pacific sunset maple | X |
Aesculus hippocastanum | Horsechestnut | X |
Aesculus octandra | Yellow buckeye | X |
Aesculus pavia | Red buckeye | X |
Alnus glutinosa | Alder | X |
Alnus rubra | Red alder | X |
Alnus tenuifolia | Mountain alder | X |
Betula nigra | River birch | X |
Betula nigra "heritage" | River birch | X |
Betula occidentalis | Water birch | X |
Carpinus betulus | European hornbeam | X |
Carpinus betulus "fastigiata" | European hornbeam | X |
Celtis occidentalis | Common hackberry | X |
Celtis occidentalis "prairie pride" | Prairie pride hackberry | X |
Celtis reticulata | Netleaf hackberry | X |
Cladrastis kentukea | American yellowwood | X |
Corylus colurna | Turkish filbert | X |
Diospyros virginiana | Common persimmon | X |
Fagus sylvatica | European beech | X |
Fraxinus americana | White ash | X |
Fraxinus americana "autumn purple" | Autumn purple ash | X |
Fraxinus oxycarpa "raywood" | Raywood ash | X |
Fraxinus pennsylvanica | Green ash | X |
Fraxinus pennsylvanica "cimmaron" | Cimmaron ash | X |
Fraxinus pennsylvanica "Marshall seedless" | Marshall seedless ash | X |
Fraxinus pennsylvanica "Patmore" | Patmore ash | X |
Fraxinus pennsylvanica "summit" | Summit ash | X |
Ginkgo biloba | Ginkgo (male only) | X |
Ginkgo biloba "autumn gold" | Ginkgo (male only) | X |
Ginkgo biloba "Magyar" | Ginkgo (male only) | X |
Ginkgo biloba "Princeton sentry" | Ginkgo (male only) | X |
Gleditsia triacanthos | Honeylocust | X |
Gleditsia triacanthos inermis | Thornless honeylocust | X |
Gleditsia triacanthos "Moraine" inermis | Thornless honeylocust | X |
Gleditsia triacanthos "shademaster" inermis | Thornless honeylocust | X |
Gleditsia triacanthos "skyline" inermis | Thornless honeylocust | X |
Juglans regia | English walnut | X |
Liquidambar styracaflua | American sweetgum | X |
Liquidambar styracaflua "Moraine" | American sweetgum | X |
Magnolia acuminata | Magnolia cucumbertree | X |
Large Trees (Class III)
Botanical Name | Common Name | Street Trees |
Botanical Name | Common Name | Street Trees |
Acer platanoides "crimson king" | Crimson king maple | X |
Acer platanoides "emerald queen" | Emerald queen maple | X |
Aesculus glabra | Ohio buckeye | X |
Carya ovata | Shagbark hickory | X |
Catalpa speciosa | Northern catalpa | X |
Fagus grandifolia | American beech | X |
Fagus sylvatica | Eastern beech | X |
Gymnocladus dioicus | Kentucky coffeetree | X |
Gymnocladus dioicus "espresso" | Kentucky coffeetree | X |
Liriodendron tulipifera | Tuliptree | X |
Platanus x acerifolia | London planetree | X |
Platanus x acerifolia "Bloodgood" | London planetree | X |
Quercus alba | White oak | X |
Quercus bicolor | Swamp white oak | X |
Quercus macrocarpa | Bur oak | X |
Quercus robur | English oak | X |
Quercus rubra | Red oak | X |
Quercus shumardii | Shumard oak | X |
Ulmus americana "new harmony" | New harmony elm | X |
Ulmus americana "Valley Forge" | Valley Forge elm | X |
Ulmus carpinifolia "prospector" | Prospector elm | X |
Conifers
Botanical Name | Common Name | Street Trees |
Botanical Name | Common Name | Street Trees |
Abies concolor | White fir | |
Abies concolor "violacea" | White fir | |
Calocedrus decurrens | California incense cedar | |
Cedrus atlantica "fastigiata" | Blue atlas cedar | |
Cedrus atlantica "glauca" | Blue atlas cedar | |
Cedrus atlantica "glauca pendula" | Blue atlas cedar | |
Chamaecyparis lawsoniana | Lawson cypress | |
Chamaecyparis lawsoniana "allumii" | Lawson cypress | |
Chamaecyparis lawsoniana "stewartii" | Lawson cypress | |
Chamaecyparis nootkatensis | Alaska cedar | |
Chamaecyparis nootkatensis "pendula" | Weeping Alaska cedar | |
Juniperus chinensis | Chinese juniper | |
Juniperus communis | Common juniper | |
Juniperus occidentalis | Western juniper | |
Juniperus scopulorum | Rocky mountain juniper | |
Juniperus virginiana | Eastern red cedar | |
Larix decidua | European larch | |
Larix decidua "pendula" | European larch | |
Larix occidentalis | Western larch | |
Metasequoia glyptostroboides | Dawn redwood | |
Picea abies | Norway spruce | |
Picea engelmannii | Engelmann spruce | |
Picea glauca | White spruce (Black Hills) | |
Picea glauca "densata" | White spruce (Black Hills) | |
Picea omorika | Serbian spruce | |
Picea pungens | Colorado spruce | |
Picea pungens "glauca" | Colorado spruce | |
Picea pungens "hoopsii" | Colorado spruce | |
Picea pungens "koster" | Colorado spruce | |
Picea pungens "moerheimii" | Colorado spruce | |
Pinus aristata | Bristlecone pine | |
Pinus contorta | Lodgepole pine | |
Pinus edulis | Pinyon pine | |
Pinus flexilis | Limber pine | |
Pinus monticola | Western white pine | |
Pinus mugo | Mugo pine | |
Pinus nigra | Austrian pine | |
Pinus parviflora | Japanese white pine | |
Pinus ponderosa | Ponderosa pine | |
Pinus strobus | Eastern white pine | |
Pinus sylvestris | Scotch pine | |
Pinus thunbergiana | Japanese black pine | |
Pinus wallichiana | Himalayan pine | |
Pseudotsuga menziesii | Douglas fir | |
Sequoiadendron giganteum | Giant sequoia | |
Taxodium distichum | Bald cypress | |
Taxodium distichum "monarch of Illinois" | Bald cypress | |
Taxodium distichum "Shawnee brave" | Bald cypress | |
Thuja occidentalis | Eastern arborvitae | |
Thuja plicata | Western red cedar | |
Additional Potential Landscape Trees
(Upon City And ACHD Approval)
Botanical Name | Common Name | Street Trees |
Botanical Name | Common Name | Street Trees |
Acer griseum | Paperbark maple | X |
Acer truncatum | Shantung maple | X |
Alnus cordata | Italian alder | X |
Asimina triloba | Common pawpaw | X |
Cedrus atlantica | Blue atlas cedar | |
Chamaecyparis obtusa | Hinoki false cypress | |
Chamaecyparis pisifera | Japanese false cypress | |
Eucommia ulmoides | Hardy rubbertree | X |
Evodia daniellii | Korean evodia | X |
Fagus grandfolia | American beech | X |
Maackia amurense | Amur maackia | X |
Paulownia tomentosa | Empress tree | X |
Picea orientalis | Oriental spruce | |
Pinus bungeana | Lacebark pine | |
Pinus cembra | Swiss stone pine | |
Pinus densiflora | Japanese red pine | |
Pterocarya fraxinifolia | Caucasian wingnut | X |
Quercus imbricaria | Shingle oak | X |
Thujopsis dolobrata | False arborvitae | |
Tsuga canadensis | Canadian hemlock | |
Trees Prohibited In The Right Of Way
Botanical Name | Common Name | Street Trees |
Botanical Name | Common Name | Street Trees |
Acer negundo | Box elder (sensational maple) | |
Acer rubrum | Red maple | |
Acer saccharinum | Silver maple | |
Acer x freemanii | Red maple, freeman varieties | |
Ailanthus altissima | Tree of heaven | |
Betula papyrifera | Paper birch | |
Betula pendula | European birch | |
Conifers spp | Conifers | |
Fraxinus excelsior | European ash | |
Gleditsia triacanthos "sunburst" | Honeylocust "sunburst" | |
Juglans nigra | Black walnut | |
Populus species | Poplar | |
Populus tremuloides | Quaking aspen | |
Robinia pseudoacacia | Black locust | |
Salix species | Willow | |
Sorbus aucuparia | European mountain ash | |
Sorbus scopulina | Western mountain ash | |
Ulmus species | Elm | |
Shrubs
Botanical Name | Common Name |
Botanical Name | Common Name |
Acer ginnala | Amur maple |
Acer grandidentatum | Bigtooth maple |
Alnus incana | Thinleaf alder |
Amelanchier spp | Serviceberry |
Arctostaphylos nevadensis | Pinemat manzanita |
Aronia melonocarpa | Glossy black chokeberry |
Artemisia cana | Silver sagebrush |
Artemisia frigida | Fringed sage |
Artemisia ludoviciana | White sagebrush |
Artemisia tridentata | Big sagebrush |
Atriplex canescens | Four wing saltbush |
Berberis spp | Barberry |
Buddleia spp | Butterfly bush |
Buxus microphylla "winter gem" | Winter gem boxwood |
Buxus sempervirens "variegata" | Varigated boxwood |
Caragana arborescens | Pea shrub |
Caryopteris spp | Blue-mist spirea |
Ceanothus velutinus | Velvet buckbrush |
Ceratoides lanata | Winterfat |
Cercocarpus spp | Mountain mahogany |
Chamaebatiaria millefolium | Fernbush |
Chamaecyparis pisifera "filifera aurea nana" | Gold thread cypress |
Chrysothamnus spp | Rabbittbrush |
Cornus alba "bailhalo" | Ivory halo dogwood |
Cornus sericea | Isanti dogwood |
Cornus sericea "cardinal" | Redtwig dogwood |
Cornus sericea "flaviramea" | Yellowtwig dogwood |
Cornus sericea "kelseyi" | Kelsey dogwood |
Cornus stolonifera | Red osier dogwood |
Cotoneaster spp | Cotoneaster |
Elaeagnus angustifolia | Russian olive |
Ephedra viridis | Green Mormon tea |
Ericameria nauseosa | Rubber rabbitbrush |
Eriogonum heracleoides | Parsnipflower buckwheat |
Eriogonum sphaerocephalum | Rock buckwheat |
Euonymus alata | Burning bush |
Euonymus alata "compactus" | Burning bush |
Euonymus fortunei "emerald gaiety" | Emerald gaiety euonymus |
Euonymus fortunei "emerald 'n gold" | Emerald and gold euonymus |
Euonymus fortunei "gold prince" | Gold prince euonymus |
Euonymus fortunei "moonshadow" | Moonshadow euonymus |
Euonymus fortunei "silver queen" | Silver queen euonymus |
Euonymus japonica | Boxleaf euonymus |
Euonymus japonica "aureo marginata" | Golden euonymus |
Euonymus japonicus "green spire" | Greenspire euonymus |
Euonymus kiautschovicus "Manhattan" | Manhattan euonymus |
Fallugia paradoxa | Apache plume |
Forsythia x intermedia | Forsythia |
Forsythia x intermedia "spring glory" | Spring glory forsythia |
Hibiscus syriacus "minerva" | Minerva rose of Sharon |
Hibiscus syriacus "red heart" | Red heart rose of Sharon |
Holodiscus discolor | Ocean spray |
Juniperus chinensis "mint julep" | Mint julep juniper |
Juniperus chinensis "old gold" | Old gold juniper |
Juniperus horizontalis "bar harbor" | Bar harbor juniper |
Juniperus horizontalis "blue chip" | Blue chip juniper |
Juniperus horizontalis "plumosa compacta Youngstown" | Youngstown juniper |
Juniperus horizontalis "Prince of Wales" | Prince of Wales juniper |
Juniperus x pfitzeriana "sea green" | Sea green juniper |
Ligustrum spp | Privet |
Lonicera xylosteoides | Clavey's dwarf honeysuckle |
Lonicera xylosteum "emerald mound" | Emerald mound honeysuckle |
Mahonia aquifolium | Oregon grape |
Paxistima spp | Dwarf mountain lover |
Philadelphus lewisii | Mock orange; syringa |
Philadelphus lewisii "blizzard" | Blizzard mock orange |
Philadelphus virginalis | Dwarf Minnesota snowflake mock orange |
Philadelphus virginalis "snowflake" | Snowflake mock orange |
Philadelphus x virginalis "Minnesota" | Minnesota mock orange |
Photinia spp | Photinia |
Physocarpus spp | Mountain ninebark |
Picea abies "nidiformis" | Birdsnest spruce |
Pieris spp | Pieris |
Pinus mugo | Mugo pine |
Pinus mugo "mops" | Dwarf mugo pine, mops dwarf mugo pine |
Pinus mugo var. pumilio | Pumillo mugo pine, dwarf mugo pine |
Potentilla fruticosa "Abbottswood" | Abbotswood potentilla |
Potentilla fruticosa "gold drop" | Gold drop potentilla |
Potentilla fruticosa "goldfinger" | Goldfinger potentilla |
Potentilla fruticosa "jackmani" | Jackmani potentilla |
Potentilla fruticosa "pink beauty" | Pink potentilla |
Prunus besseyi | Western sand cherry |
Prunus cistena | Cistena plum |
Prunus laurocerasus "Otto Luken" | Otto Luyken laurel |
Prunus tomentosa | Nanking cherry |
Prunus virginiana | Chokecherry |
Purshia tridentate | Antelope bitterbrush |
Pyracantha spp | Pyracantha |
Rhamnus frangula | Buckthorn |
Rhododendron spp | Azalea; rhododendron |
Rhus spp | Sumac |
Ribes spp | Currant |
Rosa spp | Rose |
Rubus spp | Raspberry, blackberry |
Salix purpurea "nana" | Dwarf artic blue willow |
Salvia dorrii | Purple sage |
Sambucus spp | Elderberry |
Shepherdia spp | Buffaloberry |
Sorbaria sorbifolia | Ashleaf spirea |
Sorbus scopulina | Mountain ash |
Sphaeralcea ambigua | Desert globemallow |
Sphaeralcea grossulariifolia | Goosefoot globemallow |
Sphaeralcea munroana | Munro's globemallow |
Spiraea bumalda "dolchia" | Dolchia spirea |
Spiraea japonica "goldmound" | Goldmound spirea |
Spiraea nipponica "Halward's silver" | Halward's silver spirea |
Spiraea x bumalda "Anthony Waterer" | Anthony Waterer spirea |
Spiraea x bumalda "crispa" | Crispa spirea |
Spiraea x bumalda "goldflame" | Goldflame spirea |
Spirea x bumalda "magic carpet" | Magic carpet spirea |
Spirea x "Van Houttie" | Van Houttie spirea, bridal wreath spirea |
Symphoricarpos albus | Snowberry |
Symphoricarpos occidentalis | Western snowberry |
Symphoricarpos orbiculatus | Red snowberry |
Symphoricarpos oreophilus | Mountain snowberry |
Syringa meyeri | Dwarf Korean lilac |
Syringa patula "Miss Kim" | Miss Kim lilac |
Syringa vulgaris | Common lilac |
Syringa vulgaris "sensation" | Sensation lilac |
Syringa x prestoniae "Donald Wyman" | Donald Wyman lilac |
Syringa x prestoniae "Miss Canada" | Miss Canada lilac |
Taxus spp | Yew |
Thuja occidentalis "Berkman's golden" | Golden Berkman arborvitae |
Thuja occidentalis "Danica" | Danica arborvitae |
Thuja occidentalis "golden globe" | Golden globe arborvitae |
Thuja occidentalis "smaragd" | Emerald green arborvitae |
Viburnum spp | Viburnum |
Weigela florida "Alexandra" | Wine and roses weigela |
Weigela florida "dark horse" | Dark horse weigela |
Weigela florida "java red" | Java red weigela |
Weigela florida "minuet" | Minuet weigela |
Weigela florida "pink poppet" | Pink poppet weigela |
Weigela florida "red prince" | Red prince weigela |
Yucca spp | Yucca |
Vines
Botanical Name | Common Name |
Botanical Name | Common Name |
Campsis radicans | Trumpet vine |
Clematis columbiana | Blue virginsbower |
Clematis hirsutissima | Hairy clematis |
Clematis ligusticifolia | White (western) clematis |
Lornicera spp and hybrids | Honeysuckle |
Rosa spp | Roses |
Vitis spp | Grapes |
Wisteria spp | Wisteria |
Ground Covers
Botanical Name | Common Name |
Botanical Name | Common Name |
Achillea spp | Yarrow |
Ajuga reptans | Carpet bugle |
Antennaria parviflora | Pussytoes |
Antennaria rosea | Rosy pussytoes |
Arctostaphylos uva-ursi | Kinnikinnick |
Armeria maritime | Common thrift |
Artemisia ludoviciana | Prairie sage |
Artemisia stellerana | Dusty miller |
Asarum caudatum | Wild ginger |
Bergenia spp | Bergenia |
Callirhoe involucrata | Purple poppy mallow |
Campanula spp | Bellflower |
Cerastium tomentosum | Snow in summer |
Cotoneaster spp | Cotoneaster |
Delosperma nubigenum | Hardy ice plant |
Fragaria chiloensis | Wild strawberry |
Galium odoratum | Sweet woodruff |
Heuchera spp | Coral bells |
Juniperus horizontalis "bar harbor" | Bar harbor juniper |
Juniperus horizontalis "blue chip" | Blue chip juniper |
Juniperus horizontalis "plumosa compacta Youngstown" | Youngstown juniper |
Juniperus horizontalis "Prince of Wales" | Prince of Wales juniper |
Mahonia repens | Creeping mahonia |
Phlox subulata | Moss pink |
Sedum spp | Stonecrop |
Sempervivum tectorum | Hen and chicks |
Vinca major | Periwinkle |
Vinca minor | Myrtle, dwarf periwinkle |
Perennials
Botanical Name | Common Name |
Botanical Name | Common Name |
Agastache cana | Hummingbird mint |
Allium spp | Ornamental allium |
Anaphalis margaritacea | Pearly everlasting |
Aquilegia spp | Columbine |
Arabis spp | Rockcress |
Artemisia frigida | Fringed wormwood |
Asclepia speciosa | Showy milkweed |
Aster spp | Aster |
Balsamorhiza hookeri | Hooker's balsamroot |
Balsamorhiza sagittata | Arrowleaf balsamroot |
Camassia quamash | Blue camas |
Castilleja rhexifolia | Splitleaf Indian paintbrush |
Castilleja sulphurea | Sulphur Indian paintbrush |
Chaenactis douglasii | False yarrow |
Chrysanthemum spp | Chrysanthemum |
Clarkia amoena | Farewell to spring |
Coreopsis spp | Coreopsis |
Crepis acuminata | Tapertip hawkesbeard |
Dalea purpureum | Purple prairie clover |
Delphinium spp | Delphinium |
Dianthus spp | Pinks |
Dodecatheon pulchellum | Shooting star |
Echinacea purpurea | Purple coneflower |
Epilobium (Chamerion) angustifolium | Fireweed |
Epilobium canum | Hummingbird trumpet (firechalis) |
Erigeron compositus | Cutleaf daisy |
Eriogonum jamesii | James' buckwheat |
Eriogonum niveum | Snow buckwheat |
Eriogonum thymoides | Thymeleaf desert buckwheat |
Eriogonum umbellatum | Sulphur buckwheat |
Eriophylum lanatum | Oregon sunshine |
Eschscholzia californica | California poppy |
Gaillardia aristata | Blanket flower |
Gaillardia grandiflora | Blanket flower |
Geranium spp | Hardy geraniums |
Geum spp | Prairie smoke |
Helianthus nuttallii | Marsh sunflower |
Hemerocallis spp | Daylily |
Hymenoxys grandiflora | Old man of the mountains |
Iliamna rivularis | Mountain hollyhock |
Ipomopsis angustifolium | Scarlet gillia |
Iris spp | Iris (excluding red iris) |
Kniphofia uvaria | Red hot poker |
Leucocrinum montanum | Sand lily |
Liastris spp | Graygeather |
Lilium spp | Lilies |
Limonium latifolium | Sea-lavender |
Lomatium nudicaule | Barestem desert parsley |
Lupinus spp | Lupine |
Mentzelia laevicaulis | Blazingstar |
Mertensia ciliata | Tall fringed bluebells |
Mimulus cardinalis | Scarlet monkeyflower |
Mimulus guttatus | Yellow monkeyflower |
Mirabilis jalapa | Four o'clock |
Mirabilis multiflora | Wild four o'clock |
Monarda spp | Beebalm |
Monardella odoratissima | Horsemint |
Oenothera spp | Evening primrose |
Papaver spp | Poppy |
Penstemon spp | Penstemon |
Polemonium caeruleum | Jacob's ladder |
Ratibida columnifera | Mexican hat |
Rosa spp | Roses |
Rudbeckia hirta | Black-eyed Susan |
Salvia spp | Salvia |
Scutellaria spp | Skullcap |
Solidago canadensis | Goldenrod |
Stanleya pinnata | Prince's plume |
Thalictrum fendleri | Meadow rue |
Typha latifolia | Cattail |
Viola spp | Violet |
Wyethia amplexicaulis | Mule's ear |
Zinnia grandiflora | Prairie zinnia |
Grasses
Botanical Name | Common Name |
Botanical Name | Common Name |
Achnatherum hymenoides | Indian ricegrass |
Achnatherum thurberianum | Thurber's needlegrass |
Agropyron spp | Wheatgrass |
Agrostis stolonifera | Creeping bentgrass |
Buchloe dactyloides | Buffalograss |
Carex aquatilis | Water sedge |
Carex nebrascensis | Nebraska sedge |
Carex utriculata | Beaked sedge |
Dactylic glomerata | Orchardgrass |
Deschampsia caespitosa | Tufted hairgrass |
Eleocharis palustris | Spikerush |
Elymus multisetus (elymoides) | Sandhollow squirreltail |
Festuca spp | Fescue |
Juncus balticus | Baltic rush |
Juncus effuses | Soft rush |
Juncus ensifolius | Daggerleaf rush |
Juncus tenuis | Path rush |
Juncus torreyi | Torrey's rush |
Leymus cinereus | Great basin wildrye |
Lolium spp | Ryegrass |
Poa pratensis | Kentucky bluegrass |
Poa secunda | Sandberg bluegrass |
Pseudoroegneria spicata | Bluebunch wheatgrass |
Schoenoplectus acutus | Hard stem bulrush |
Schoenoplectus pungens (americanus) | Three square bulrush |
Sporobolus cryptandrus | Sand dropseed |
Stipa comata | Needle and thread grass |
WETLAND/RIPARIAN PLANT LIST
Trees
Botanical Name | Common Name |
Botanical Name | Common Name |
Betula occidentalis | Red birch |
Populus tremuloides | American aspen |
Populus trichocarpa | Black cottonwood |
Prunus emarginata | Bitter cherry |
Prunus virginiana | Chokecherry |
Rhamnus purshiana | Cascara |
Salix lasiolepis | Arroyo willow |
Salix spp | Willow |
Low/Medium Shrubs
Botanical Name | Common Name |
Botanical Name | Common Name |
Achillea millefolium | Yarrow |
Arnica cordifolia | Heartleaf arnica |
Cornus sericea | Red-osier dogwood |
Geranium viscosissimum | Sticky geranium |
Osmorhiza chilensis | Sweet Cicely |
Ribes aureum | Golden currant |
Rosa woodsii | Wood's rose |
Rubus parviflora | Thimbleberry |
Smilacina stellata | Starry false Solomon's seal |
Symphoricarpos albus | Snowberry |
Symphoricarpos oreophilus | Mountain snowberry |
Thalictrum occidentale | Western meadowrue |
Grasses
Botanical Name | Common Name |
Botanical Name | Common Name |
Agropyron trachycaulum | Slender/bearded wheatgrass |
Bromus carinatus or B. marginatus | California brome |
Carex hoodii | Hood's sedge |
Carex spp | Sedges |
Elymus glaucus | Blue wildrye |
Juncus spp | Rushes |
Typha spp | Cattails |
Flowers
Botanical Name | Common Name |
Aquilegia spp | Columbine |
Mimulus spp | Monkeyflower |
NATIVE OPEN SPACE AND
UPLAND REVEGETATION PLANT LIST
Low/Medium Shrubs
Botanical Name | Common Name |
Artemisia tridentata | Wyoming big sage |
Chrysothamnus nauseosus | Rabbitbrush |
Purshia tridentata | Bitterbrush |
Forbs
Botanical Name | Common Name |
Botanical Name | Common Name |
Achillea millefolium | Yarrow |
Balsamorhiza sagitata | Balsamroot |
Fagopyrum esculentum | Wyeth buckwheat |
Helianthus annuus | Annual sunflower |
Linum lewisii | Lewis fax |
Lomatium dissectum | Fern biscuitroot |
Lupinus sericeus | Silky lupine |
Medicago sativa | Alfalfa |
Penstemon palmeri | Penstemon |
Sanguisorba minor | Small burnet |
Sphaeralcea munronaa | Munro's globemallow |
Wyethia amplexicaulis | Mule's ear |
Grasses/Flowers
Botanical Name | Common Name |
Botanical Name | Common Name |
Elymus multisetus | Bottlebrush squirreltail |
Festuca idahoensis | Idaho fescue |
Leymus cinereus | Great Basin wildrye |
Oryzopsis hymenoides | Indian ricegrass |
Poa secunda | Sandberg's bluegrass |
Pseudoroegneria spicata | Bluebunch wheatgrass |
Sphaeralcea munroana | Munro's globemallow |
Sporobolus cryptandrus | Sand dropseed |
Stipa thurberiana | Thurber's needlegrass |
Perennials
Botanical Name | Common Name |
Botanical Name | Common Name |
Eriogonum thymoides | Thymeleaf desert buckwheat |
Eriogonum umbellatum | Sulphur buckwheat |
Geum spp | Prairie smoke |
Ipomopsis angustifolium | Scarlet gillia |
Lomatium nudicaule | Barestem desert parsley |
Lupinus spp | Lupine |
Mentzelia laevicaulis | Blazingstar |
Oenothera spp | Evening primrose |
Penstemon spp | Penstemon |
Wyethia amplexicaulis | Mule's ear |
(Ord. 710, 1-14-2014; amd. Ord. 889, 1-10-2022)