Snow White Flowering Tea Tree
Snow-In-Summer
Snowdrift Crabapple
Soaptree Yucca
Society Garlic
Sonoma Sage, Creeping Sage
South African Jasmine
Southern Live Oak
Southern Magnolia, Bull Bay
Southern Pink Flowering Currant
Southern Sword Fern
Spanish Lavender
Sparaxis, Harlequin Flower
Spathe Leaved Sedum
Spear Lily
Spice Bush
Spider Flower
Spike Gayfeather
Spineless Yucca
Split Leaf or Selloum Philodendron