In the R-3 zone:
A. The provisions of chapter 18.164 of this title shall apply. In addition, there shall be not more than one driveway to off street parking and covered parking areas for each one hundred feet (100') of lot width;
B. Whenever a driveway or open parking spaces are located within a side yard or rear yard, a planting area with not less than a three foot (3') wide interior diameter shall be provided adjacent to the interior property line(s). (Ord. 1000 § 20.20(M), 1955)