§ 158.36 LANDSCAPE DESIGN CRITERIA.
   (A)   Planting units: Planting units shall be calculated as follows:
 
One overstory tree
(2.5 " caliper)
10 plant units
One understory or ornamental tree
(2.5" caliper)
5 plant units
One evergreen tree
(10 ‘ or greater in vertical height)
8 plant units
One evergreen tree
(6' - 9' in vertical height)
5 plant units
One large shrub
(36" in height)
2 plant units
One small shrub
(24" in height)
1 plant unit
Perennials and ground cover
(per 100 sq. ft. of area)
1/2 plant unit
 
   (B)   Single-family detached residential:
      (1)   Parkway plantings will be required in accordance with division (E) below.
      (2)   Certificate of occupancy will not be issued until all landscape requirements have been met as described herein.
      (3)   All yards (front and side) of any single- family residential must be complete with sod, and any rear yard must be seeded or sodded.
      (4)   Double frontage lots: Landscaping shall be provided on each double frontage lot along the frontage from which the lot does not have access to the public right-of-way. The landscaping shall be located parallel to the lot line and shall extend along the entire frontage. If a fence is located along the frontage, the required landscaping shall be provided on the side of the fence facing the public right-of-way. The landscaping shall be provided in accordance with the requirements provided in § 158.36(B)(3) and (4), depending on the classification of the adjacent right-of-way.
      (5)   Yard adjacent to a major collector right-of-way: A minimum of a ten-foot wide landscape area shall be provided in any yard adjacent to a major collector road and shall consist of a minimum of 40 plant units per 80 linear feet of frontage. Twenty-five percent of the unit count must be evergreen.
 
      (6)   Yard adjacent to an arterial right-of-way: A minimum of a 20-foot wide landscape area shall be provided in any yard adjacent to an arterial road and shall consist of a minimum of 65plant units per 80 linear feet of frontage. Twenty-five percent of the unit count must be evergreen. Berming and mounding height of two feet shall be incorporated into the landscape plan.
 
      (7)   The requirements stated in divisions (B)(5) and (6) above may be reduced or replaced if a buffer landscape area of 25 feet or more and berm are installed between the collector or arterial road and the adjacent yards. The berm must be at least six feet in height at a maximum of 3:1 slope and the buffer landscape area shall have a minimum of 40 plant units per 100 linear feet of frontage. Creative landscaping techniques such as undulating berms and staggering plantings should be implemented.
   (C)   Attached single-family housing/ multi- family housing:
      (1)   Parkway plantings will be required in accordance with division (E) below.
      (2)   Certificate of occupancy will not be issued until all landscape requirements have been met as described herein.
      (3)   All front and side yards shall be sodded and landscaped with trees and shrubs. A minimum ratio of ten plant units shall be provided for each 1,500 square feet of yard area. At least 75% of the plant material must include overstory trees by unit count.
         b.   The foundation landscaping shall be located in a planting bed a minimum of ten feet in width adjacent to the building.
         c.   The required foundation landscaping area shall remain open and free of all paving except where sidewalks and driveways lead directly into the building. In no case shall the foundation landscaping area be reduced to extend across less than 50% of the building face due to said sidewalks and driveways.
         d.   Foundation landscaping shall consist of a minimum ratio of 30 plant units for every 1,000 square foot area of planting bed which is within ten feet of the foundation. Flowers, ornamental grasses, and groundcover may also be used.
         e.   The required foundation landscaping may be relocated elsewhere on site provided in an alternate manner, such as through the use of above ground planting containers or boxes per staff approval.
   (D)   Non-residential development:
      (1)   Parkway plantings will be required in accordance with division (E) below.
      (2) Certificate of occupancy will not be issued until all landscape requirements have been met as described herein.
      (3)   The landscape front yard shall be a minimum of 30% of the total depth of the front yard setback and shall be reserved for landscape/ greenspace use only, and the measurement of area shall not include bike paths or sidewalks. The landscape front yard shall have a minimum of 80 plant units. If the development exceeds 600 feet of street frontage, 20 plant units shall be planted per 100 feet. Plantings may be clustered in areas to avoid a utilitarian look. (Parkway tree plantings not inclusive on plant unit counts.)
      (4)   The landscaped side and rear yards shall have a minimum ten-foot landscaped area within the setback, with a minimum 40 plant units. If the development exceeds 600 feet of street frontage, ten plant units shall be planted per 100 feet. These plantings may be clustered in areas to avoid a utilitarian look. (Parkway tree plantings not inclusive on plant unit counts.)
      (5)   Foundation plantings shall be required along each wall of the principal structure.
      (6)   All ground-based/monument signs shall have flower beds with small shrubs. Monument signs shall be located with its surrounding landscaping on the landscape plan.
      (7)   Transition yards:
         (a)   The required landscaping in transitional yards shall be comprised of a combination of overstory trees, evergreen trees, ornamental trees and large shrubs. If shrubs are used, they shall be installed at a minimum height of four feet. Additional small shrubs may be used, but shall not count toward meeting the landscape requirements.
         (b)   A minimum of a 25-foot wide landscaped screen consisting of a minimum of 125 plant units per 100 linear feet of frontage measured along the length of a common boundary between two units. Forty percent of the plant material (by unit count) must be evergreen. The landscape plan shall include a landscape berm, of no less than three feet in height to be located in a landscape easement. Exceptions will be considered if the berm is determined to conflict with the natural or proposed drainage ways.
         (c)   At the direction of village staff the required number of plant units may be reduced in the following percentages:
            1.   Up to a 75% reduction in plant material (by unit count) for a solid fence structure with a minimum height of six feet, constructed of a solid masonry or brick material, a combination of wood with masonry structural supports, or materials as approved by village staff.
            2.   Up to a 50% reduction in plant material for an earthen berm, a minimum of six feet high, with a maximum slope of 3:1.
         (d)   If existing woodlands are located within the transitional yard, preservation of those woodlands may substitute for part or all of the required landscaping. If existing woodlands are located in only part of the transitional yard, the required number of plant units may be proportionately reduced. If existing woodlands substitute for any portion of the required landscaping, a six -foot high sight-proof, wood board fence shall be provided along the edge of the preserved woodlands area. Any reductions or substitutions will be approved at the discretion of the village staff and all reductions or substitutions shall be indicated on the approved landscape plan.
         (e)   The area of the transitional yard not planted with trees, shrubs, or existing woodlands shall be planted with sod, live groundcover, flowers, ornamental grasses or some combination thereof.
         (f)   When vehicle uses are in the area of the transitional yard, a minimum 15 feet wide landscape strip shall be provided along the length of the vehicle use area. The landscaping within this area shall consist of one or more of the following options:
            1.   A minimum of 100 plant units per 1000 square feet of area between the vehicle use area and the residential property.
            2.   An undulating berm or earth mounding that is at least two and one-half feet high than the finished elevation of the parking lot (at the nearest point) and 80 plant units per 1,000 square feet of area between the vehicle use area and the residential property.
            3.   A minimum three-foot grade drop from the property line to the vehicle use area, and 70 plant units per 1,000 square feet of area between the vehicle use area and the public right-of-way.
            4.   A minimum 25-foot wide strip of existing woodlands.
         (g)   Loading docks, service yards, and exterior work areas. Service yards, loading docks and exterior work areas shall be screened from view from public rights-of-way. The screening shall consist of either of the following:
            1.   Sight-proof board fence constructed of masonry material, cedar, or preservative treated lumber of a minimum six feet in height.
            2.   All planting requirements shall be in accordance with § 96.36(D).
         (h)   Open storage yards. In accordance with § 156.185, if any storage area is within 150 feet of the nearest point of any residential district, then all storage shall be in completely enclosed buildings or structures. All open storage yards shall be screened on all sides by solid walls or fences (including solid doors or gates thereto) in accordance with § 156.185, then landscaping shall be provided at a minimum ratio of 50 plant units for each 100 linear feet of the fence or wall visible from the public right-of-way. The landscaping shall be in addition to the fence or wall. The installed height of the landscaping shall be equal to or greater than one-half the height of the fence or wall.
         (i)   Drive-through lanes adjacent to other vehicular uses. Drive-through lanes shall be separated from adjacent driveways, parking lot aisles and other vehicular uses areas by a curbed planting bed along the entire length of the lane. The planting bed shall be a minimum of five feet wide (excluding the curb) and shall contain a minimum of 100 plant units per 100 linear feet.
         (j)   Recycling and refuse receptacle areas. Refuse and recycling receptacles and removal areas shall be screened from view on all sides. The screening shall consist of a sight-proof wall constructed of the same material as the principal structure, and shall be a minimum six feet in height. The side that includes access into the facility shall include a sight-proof gate, and be oriented to minimally visible from adjacent properties. Landscape material should be provided adjacent to this area.
   (E)   Parkway planting and interior parking lot criteria:
      (1)   Interior parking lot. 
         (a)   Parking lots with more than 20 cars shall include landscape islands planted with overstory trees at a ratio of one landscape island for every 20 parking spaces or fraction thereof. They shall be evenly dispersed throughout the parking area.
         (b)   Curbed planting islands shall be placed at the ends of each row of parking. These islands shall be a minimum of nine feet wide and shall extend the length of the parking stalls. . They shall be landscaped with trees, shrubs, flowers, or groundcover. The planting beds shall meet the following requirements:
            1.   The minimum area of a planting bed for each tree shall be 180 square feet with a minimum dimension of nine feet in any direction. These planting beds shall be curbed with a barrier curb. Planting beds may be combined to create larger planting islands within the parking lot.
            2.   Planting beds shall not be used for snow storage. Rather, separate snow storage areas shall be designated on the landscape plan.
            3.   Small shrubs, flowers and groundcovers other than turf grass may be planted in the tree planting beds, in addition to the required overstory trees or necessary lighting.
            4.   Plant materials other than groundcover shall be set back a minimum of three feet from the curb to avoid damage from overhanging car bumpers and doors.
            5.   Plant materials other than overstory trees shall be limited to a mature height of no more than two feet within ten feet of any curb at a driveway intersection.
      (2)   Parkway plantings standards. Parkways should be planted according to the following standards for all development of property, including any modifications of existing structures which increases the footprint of the existing structure by 25% or in those cases where the cost of improvements exceeds the value of the existing structure by 50%. Existing values shall be determined by the value of the building as stated on the most recent tax bill as provided by the owner. The owner shall also provide estimated costs of improvements.
         (a)   Street trees shall be planted along all public or privately dedicated streets within a development.
            1    Residential developments. One street tree shall be planted every 40 linear feet with one tree per lot and two per corner lot.
            2.    Non-residential developments. One street tree shall be planted every 40 linear feet with one tree per lot and two per corner lot.
         (b)   Selection of tree species for street tree planting shall be made from the approved street tree plant list available from the village (see Exhibit C to this chapter). This list shall be updated by the village as needed to ensure quality, disease resistance and hardiness.
         (c)   No street tree shall be planted closer than 30 feet from the right-of-way line at an intersection or closer than eight feet from any drive or alley way.
         (d)   The parkways shall be planted with grass or low ground cover, except where covered by pavement, trees, or shrubs, or up to two feet of paving which is allowed along the curb.
         (e)    The use of stone, rock, or gravel is prohibited on public parkways.
         (f)   Plantings under utility wires are discouraged. If overhead utilities exist, plant selection shall be made from the approved understory plant list (see Exhibit B to this chapter) and the selection of planting site and species shall be determined by village staff.
         (g)   Parkways less than four feet in width do not require tree plantings.
         (h)   No overstory tree shall be planted closer than 15 feet from any lamppost to allow for proper lighting.
         (i)   No tree shall be planted within ten feet of any fire hydrant or stop sign.
         (j)   No street trees or shrubs shall be planted at an intersection corner within a triangle having two 50-foot sides as measured perpendicular to the curb line.
   (F)   Detention/retention areas:
      (1)   A stormwater detention/retention pond landscape plan must be submitted to the village for all stormwater retention/detention facilities. The plan must include all the information in accordance with § 158.35(B)(1)(d) and the following:
         (a)   Plant material suitable for periods of inundation.
         (b)   Proposed grades.
         (c)   Identification of all seed mixes.
         (d)   Perimeter landscaping providing a minimum of 20 plant units for every 100 linear feet of the facility perimeter, as measured at high water level.
   (G)   Planting specifications:
      (1)   The following are required minimum sizes for plant material. Larger sizes may be required, upon recommendation of the Planning and Zoning Commission and approval of the Village Board, to ensure tree survival or provide a desired landscape effect. All plant material shall comply with the provisions set forth by the most recent edition of the American Standard for Nursery Stock, as sponsored and approved by the American Association of Nurserymen and the American National Standards Institute, Inc. (ANSI).
         (a)   Overstory trees: Two and one-half inch caliper and six feet clear of branches;
         (b)   Understory trees: Two-inch caliper;
         (c)   Evergreen trees: Six feet height; and
         (d)   Large shrubs: 36 inches height and five-gallon containers or equivalent balled and burlapped.
         (e)   Small shrubs: 18 - 24 inches height and five-gallon containers or equivalent balled and burlapped.
      (2)   Tree size caliper shall be measured six inches above the ground, up to and including, four-inch caliper size, and 12 inches above the ground for larger sizes.
      (3)   All trees and shrubs shall be mulched with a minimum of four-inch depth shredded bark, wood chips or other all organic mulch. All flower and groundcover beds shall be mulched with a minimum of two-inch depth shredded bark or other all organic mulch.
      (4)   The use of stone, rock, or gravel as a ground cover is discouraged unless used as a decorative accent or as part of an appropriate landscape concept.
      (5)   Planting pits shall be one and one-half times as deep and three times as wide as the root ball. Native soil should be used for backfill whenever possible.
      (6)   Local ecotypes should be preserved. Therefore, all native seed and plant stock should be obtained from sources within a 150-miles radius of the village. Vendors from beyond that radius may supply the native seed and/or plants, but they must demonstrate the materials come from local genetic stock.
      (7)   Any planting of noxious weeds or other plants is strictly prohibited, as seen in Exhibit G of this chapter.
      (8)   Trees and shrubs should be spaced so that they are separated by a minimum of one-half of their total mature canopy spread.
      (9)   All plant materials must be in conformance with best management practices (BMPs).
      (10)   The distance trees may be planted from curbs, curblines, and sidewalks may be closer than the following:
         (a)   Understory and overstory trees at four feet.
         (b)   Evergreens at one-half of the mature spread.
      (11)   Plant material use in conformance with the provisions of this chapter shall be selected to provide:
         (a)   Climate hardiness of plant material.
         (b)   High disease resistance and stress tolerance.
         (c)   Adaptability of proposed plant material to the particular microclimate, (sun, shade, dry or wet soils, etc.)
         (d)   Inclusion of native plant material where appropriate.
         (e)   Select plants for drought intolerance.
         (f)   Overall year round ornamental effect.
         (g)   Conformance with Best Management Practices.
   (H)   Installation of public trees should be done by balled and burlapped or tree spade method. Bare root plantings and containers are not permitted without written permission of the Public Works Department.
   (I)   In order to prevent uniform disease susceptibility and eventual uniform age, no single species shall make up more than 15% of the total village tree population. The following are minimum requirements for tree species variation on a given plan.
 
Table I
Number of Trees on Plan
Maximum Percentage of Any One Species on Plan
10 - 19
50
20 - 39
33
40 - 59
25
60 or more
15
 
   (J)   Permitted and unacceptable trees:
      (1)   The exhibits immediately following this chapter shall constitute as the tree species list for the village. No species other than those included in this list may be planted without written permission of the Public Works Department who may consult with the Tree Board.
      (2)   All plants shall meet county, state and federal law with respect to freedom from disease and insect infestation. All plants must be alive and healthy, free from dead limbs, damaged tissue or any form of mutilation. Additional trees may be deemed acceptable at the discretion of the Public Works Department who shall consult with the Tree Board.
(Ord. 1780, passed 5-5-14) Penalty, see § 158.99