San Marcos Hibiscus
San Pedro Cactus
Sand Sage
Santa Rita Prickly Pear
Santa Rita Prickly Pear 'Tubac'
Scandia Juniper
Scarlet Bugler
Screw Bean Mesquite, Tornillo
Semi-Trailing Yellow Gazania
Senita
Shasta Daisy
Shaw's Agave
Shoestring Acacia
Shore Juniper
Shrub Bougainvillea, Temple Fire
Shrub Live Oak
Shrub Roses
Shrubby Senna
Sideoats Grama