§ 18.7  STANDARD PLANT UNITS.
   (A)   All landscaping requirements are stated in terms of the number of standard plant units required. This section defines three alternative plant units. All landscaping shall conform to one or more of the plant unit alternatives of this section.
   (B)   The following table specifies plant unit alternatives. In general, the three alternative plant mixes are interchangeable. In some instances, the Director of Community Development may require the use of a specific plant unit to achieve a particular result.
Plant Unit Alternatives
Quantity Required
Type and Size at Time of Installation
Plant Unit Alternatives
Quantity Required
Type and Size at Time of Installation
Alternative A
3
8 feet high evergreen trees
10
2 feet high shrubs (or 5-gallon minimum)
Alternative B
2
6 feet high evergreen trees
1
3-inch caliper deciduous tree (minimum 10-foot to 12-foot height)*
4
2 feet high shrubs (or 5-gallon minimum)
Alternative C
1
3-inch caliper deciduous tree (minimum 8-foot to 10-foot height)
2
1-1/2-inch caliper deciduous trees (minimum 6-foot to 8-foot height)
14
2 feet high shrubs (or 5-gallon minimum)
NOTES TO TABLE:
* Clump or cluster planting which will achieve a total diameter of 4 inches may be considered in lieu of a 3-inch caliper tree.
 
   (C)   When applied through the zoning code, and where the resulting number of required plant units is expressed in a fraction, the required number of plant units shall be rounded off to the nearest whole number (rounding is done at the end of calculations).
(Ord. 2012-04, passed 12-5-2012)