Silver Cloud Texas Sage
Silver Dollar Gum
Silver Dollar Prickly Pear
Silver Jade Plant
Silver Lace Society Garlic
Silver Mound Artemisia
Silver Mountain Gum
Silver Sage
Silver Wormwood
Siskyou Blue Fescue
Skyrocket Juniper
Smoke Tree
Smooth Agave
Snow White Flowering Tea Tree
Soaptree Yucca
Society Garlic
Spanish Lavender
Spear Lily
Spice Bush
Sprenger Asparagus