Siberian Wallflower
Sideoats Grama
Silk Tree, Mimosa Tree
Silver Arrow Miscanthus
Silver Bush Lupine
Silver Carpet Lessingia
Silver Cloud Texas Ranger
Silver Cloud Texas Sage
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