(1) Parking areas with twenty (20) or more spaces shall have at least ten (10) percent of the total parking area landscaped. Parking areas with one hundred (100) or more spaces shall have at least twenty-five (25) percent of the required ten (10) percent to be landscaped located in the interior of the lot.

(2) No required planting areas shall be less than twenty-four (24) square feet in area with the exception of raised planter boxes around or in close proximity to buildings.

(3) When landscaping is required as set forth in subsection (1) of this section, then an average of at least one (1) tree shall be planted for every ten (10) single row parking stalls or every twenty (20) double row parking stalls within the parking area.

(4) Landscaping material shall be selected with careful consideration to eventual size and spread, susceptibility to disease and pests, durability and adaptability to existing soil and climatic conditions, and ability to prosper with limited irrigation.

(5) Landscaping in the interior of the parking area shall be contained by a bumper rail or curb which is at least four (4) inches high.

(6) All off-street parking areas which include five (5) or more parking spaces and all loading berths shall be screened from a contiguous residentially zoned lot or residential use. Such screening shall be in the form of a wall, fence, or earth berm or slope not less than four (4) feet in height and sufficient in density to shield from direct lighting, including automobile headlights. A Type I landscape strip as set forth in 17.45.080 may be substituted for such wall, fence, or berm.

(7) All off-street parking areas which include five (5) or more parking spaces and all loading berths shall be screened from a residentially zoned lot or residential use that is located across a street from said parking area or loading berth. Such screening shall be in the form of a Type I landscape strip as set forth in 17.45.080. Breaks or modifications in required screening may be permitted to provide vehicular or pedestrian access to a public right-of-way and to conform with the vision clearance area provisions set forth in 17.35.020(3). (Ord. 03-33 §18, 2003; Ord. 02-32 §6, 2002; Ord. 87-9 §1, 1987).