Smoke Tree
Smooth-edged Agave
Snapdragon
Snow Ball
Snow In Summer
Snow White Flowering Tea Tree
Snowdrift Crabapple
Soaptree Yucca
Society Garlic
Soquel Coast Redwood
Sour Gum
Southern Magnolia
Southern Sword Fern
Spanish Lavender
Spanish Scilla
Spathe Leaved Sedum
Spice Bush
Spider Flower
Spike Gayfeather
Spineless Yucca