All parking areas shall be landscaped around their perimeter, excluding driveways, with evergreen shrubs of four feet minimum height at planting, spaced four feet on center. All parking areas shall be compartmentalized with landscaped islands at least six feet wide to limit random traffic patterns within the parking area. Islands shall be landscaped with trees and evergreen shrubs. Trees shall be planted within such islands every 35 feet on center and shall be at least eight feet in height at the time of planting. Evergreen shrubs planted within such islands shall be of a variety that does not grow to more than two to three feet in height and shall be spaced four feet on center.