§ 158.25 PLANT UNITS.
   (A)   Plant units shall be calculated as follows:
      (1)   One overstory tree (2.5" caliper) = 10 plant units.
      (2)   One understory or ornamental tree (2" caliper) = 5 plant units.
      (3)   One evergreen tree (10' or greater in vertical height) = 8 plant units.
      (4)   One evergreen tree (6' - 9' in vertical height) = 5 plant units.
      (5)   One large shrub (36" inches in height) = 2 plant units.
      (6)   One small shrub (24" inches in height) = 1 plant unit.
   In calculating the required number of plants any fraction shall be rounded to the next whole unit.
   (B)   To ensure plant diversity 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 acres
3
3
Greater than 5 acres but less than 15 acres
5
5
Greater than 15 acres but less than 30 acres
7
7
30 or more acres
7
7
 
   (C)   Existing vegetation. Credit against the landscape requirements of this chapter shall be allowed for existing vegetation and other landscape features on an equal basis to the quality and size of plant material as required by this chapter for plant material that the applicant proposes to preserve. Site inspection and approval by village staff is required in order to receive credit for existing vegetation.
(Ord. 1565, passed 4-1-96; Am. Ord. 2341, passed 12-18-06) Penalty, see § 158.99