In addition to the requirements on sub-section 1185.09
(c), all areas within the required setback adjacent to a street right-of-way as well as the front or corner building and/or parking setback, excluding driveway openings, shall be landscaped as required below. The following minimum plant materials shall be provided and maintained on all lots or developments:
(a) Three (3) large deciduous trees shall be provided for every 100 linear feet of lot frontage or fraction thereof, not including drive entrances.
(b) Twenty shrubs shall be provided for every 100 linear feet of lot frontage or fraction thereof, not including drive entrances.
(c) All areas not devoted to trees and shrubs shall be planted with grass, ground cover or other live landscape treatment.
(d) Trees and shrubs may be aggregated appropriately, as approved by the Planning Commission.
(e) Whenever the building setback is five (5) feet or less, these requirements shall not apply.