10-14-3: STANDARDS AND CRITERIA:
   A.   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 American Association Of Nurserymen and the American National Standards Institute, Inc. (ANSI).
   B.   Plant material used in conformance with the provisions of this chapter shall be selected to provide:
      1.   Climate hardiness of plant material.
      2.   High disease resistance and stress tolerance.
      3.   Adaptability of proposed plant material to the particular microclimate (sun, shade, dry or wet soils, etc.) in which it is to be located.
      4.   Inclusion of native plant material where appropriate.
      5.   Overall year round ornamental effect.
   C.   Plant material shall be healthy, free of insects and diseases and physical damage (bark bruises, scrapes, cracked branches, etc.).
   D.   Unless otherwise specified, the minimum size for plant materials installed to meet the requirements of this chapter shall be as follows:
      1.   Overstory trees: Two and one-half inch (2.5") caliper.
      2.   Evergreen trees: Six foot (6') height as planted.
      3.   Ornamental trees:
         a.   Single trunk: Two inch (2") caliper.
         b.   Multitrunk: Six foot (6') height as planted.
      4.   Large shrubs: Twenty four inch (24") height as planted.
      5.   Small shrubs: Eighteen inch (18") height as planted.
   E.   Caliper of the trunk shall be measured six inches (6") above the ground up to and including four inch (4") caliper size and twelve inches (12") above the ground for larger sizes.
   F.   The branches of deciduous trees and shrubs may be selectively thinned by up to one-third (1/3) in accordance with good horticultural practice; however, in no case shall trimming result in reducing the overall size of the plant below that specified on the approved landscape plan.
   G.   All trees and shrubs shall be mulched with a minimum of four inch (4") depth shredded bark, wood chips or other all organic mulch. All flower and ground cover beds shall be mulched with a minimum of two inch (2") depth shredded bark or other all organic mulch.
   H.   A minimum number of species of trees and a minimum number of species of shrubs shall be required on each parcel as follows:
 
Size Of Parcel (Acres)
Quantity Of Tree
Species
Quantity Of Shrub Species
Less than 5.0
6
3
5.0 to 14.99
10
5
15.0 and greater
14
7
 
   I.   Landscape materials shall be selected and located so as to not obstruct visual or physical access to fire hydrants or other firefighting facilities. Trees and shrubs shall not be located closer than ten feet (10') to fire hydrants, other firefighting facilities or other aboveground utilities. Trees shall be planted no closer than thirty feet (30') from a traffic control device and streetlight. Landscape materials to be planted on corner lots or near intersections shall comply with the standard set forth in section 10-3-14, "Visibility On Corner Lots", of this title.
   J.   Landscaping requirements as defined by this chapter shall be based on planting units as calculated as follows:
      1 overstory tree = 10 plant units
      1 evergreen tree = 7 plant units
      1 ornamental tree = 5 plant units
      1 large shrub = 2 plant units
      1 small shrub = 1 plant unit
      Perennials and ground covers = 1/2 plant unit per 100 square feet of area
(Ord. 15-1766, 2-10-2015)