A permanent ground sign shall require a single continuous landscaped area to be maintained beneath the sign in accordance with the following standards:
(a) The minimum landscaped area shall be equal to the area of the sign face.
(b) The landscaped area shall include all points where sign structural supports attach to the ground.
(c) Where the required landscaping area is adjacent to a paved surface accessible to vehicular traffic, a raised non mountable curb to prevent the encroachment of vehicles shall be required.
(d) The landscape area shall contain living plantings aesthetically located and maintained. (Passed 2-15-94.)