Sago-Palm
San Antonio Sage
Sandankwa Viburnum
Sandhill Sage, Coast Sagebrush
Sansanqua or Sun Camellia
Santa Ana Cardinal Coral Bells
Santa Barbara Daisy
Santa Barbara Daisy, Mexican Daisy
Santa Cruz Island Buckwheat
Santa Cruz Pyracantha
Saratoga Sweet Bay
Sawleaf Zelkova
Scandia Juniper
Scarlet Monkey Flower
Scarlet Trumpet Vine
Scarlet-Bugler
Sea Dahlia
Sea of Joy Bearded Iris
Sea Pink, Common Thrift
Semi-Trailing Yellow Gazania