The provisions of Section 37-921 (Perimeter landscaping) shall apply to open accessory off-street parking facilities and public parking lots with 18 or more spaces or at least 6,000 square feet in area that front upon a street.

The provisions of Section 37-922 (Interior landscaping) shall additionally apply to open accessory off-street parking facilities and public parking lots with 36 or more spaces or at least 12,000 square feet in area.

However, where more than 75 percent of the parking spaces in such accessory off-street parking facility or public parking lot will be covered by solar canopies, the requirements of such Sections may be modified by the provisions of Section 37-923 (Alternative compliance for solar canopies).