Smooth Agave
Snapdragon
Snow Cap Sedge
Snow White Manuka Tea Tree
Snow-In-Summer
Soap Aloe, African Aloe
Soaptree Yucca
Society Garlic
Sonoma Sage, Creeping Sage
Sour Gum, Tupelo, Pepperidge
South Western Coral Bells
Southern Magnolia, Bull Bay
Southern Sword Fern
Spanish Iris
Spanish Lavender
Spear Lily
Species Rose
Spice Bush
Spike Gayfeather, Blazing Star
Spineless Yucca
