Silver Dollar Gum, Red Box Gum
Silver Jade Plant
Silver Lace Society Garlic
Silver Leaf Marguerite
Silver Maple
Silver Mound Artemisia
Silver Pig's Ear
Silver Sage
Silver Spurge
Silver Wormwood
Skyrocket Juniper
Skyscraper Senecio
Slender Deutzia
Slender Sunflower
Smooth Agave
Smooth-edged Agave
Snapdragon
Snow Ball Viburnum
Snow White Flowering Tea Tree
Snow-In-Summer