Spindle Tree (spp.) Spindletree (spp.)
Spindly Grevillea Spineless Cactus
Spineless Century Plant (spp.) Spineless Century Plant 'Nova'
Spineless Yucca: recurvifolia 'Splendens' Two Row Stonecrop
'Spotlight' Black-eyed Susan Spotted Rock Rose
Spreading Acacia 'Spreading Sunset' Lantana
'Sprengeri' Asparagus Fern 'Spring Valley' Ceanothus: hybrid
Squawbush St. Augustine Grass Variegated
St. John's Bread Carob St. Peter's Palm 'Bright Edge'
St. Peter's Palm 'Color Guard' St. Peter's Palm 'Golden Sword'
St. Peter's Palm Variegated Staghorn Sumac (spp.)
Stanford Manzanita (spp.) 'Star Dream Violet' Bedding Verbena
Star Jasmine 'Texas Longleaf' Star Jasmine 'Tricolor'
Star Jasmine Variegated Sticky Monkey Flower
Stone Orpine 'Angelina' Stone Pine: pinea
Stonecrop 'Brilliant' Stonecrop, Blue 'Angelina'
Stonecrop, Japanese (spp.) Stonecrop, Japanese Dwarf
Stonecrop, Jenny's 'Angelina' Stonecrop, Reflexed 'Angelina'
Stonecrop, Two Row (spp.) Stonecrop, Two Row 'Bronze Carpet'
Stonecrop, Two Row 'Dragon's Blood' Stonecrop, Two Row 'Elizabeth'
Stonecrop, Two Row 'Fulda Glow' Stonecrop, Two Row 'John Creech'
Stonecrop, Two Row 'Splendens' Stonecrop, Two Row 'Tricolor'
Stonecrop, Two Row Variegated Stonecrop, White (spp.)
Stonecrop, White 'Murale' Stonecrop, Wild (spp.)
Stonecrop, Wild 'Shale Barrnes' Stonecrop: pachyclados
Stonecrop: spathulifolium (spp.) Stonecrop: spathulifolium 'Cape Blanco'
Strawberry Tree Strawberry, Beach (spp.)
Strawberry, Sand (spp.) Strawflower: petiolare (spp.)
Strawflower: petiolare 'Limelight' Strawflower: petiolare 'Schweffellight'
Strawflower: petiolare Variegated 'Stricta' Feather Reed Grass
'Strictus' Maiden Grass Sugar Bush
Sugar Sumac Sulphur Buckwheat: umbellatum
Sulphur Flower Buckwheat 'Sulphurea' Juniper Grevillea
Sumac, African Sumac, Fragrant (spp.)
Sumac, Fragrant 'Green Globe' Sumac, Fragrant 'Gro-low'
Sumac, Staghorn (spp.) Sumac, Sugar
Sumac, Three Leaf Sumac, Velvet (spp.)
Sumac, Venetian (spp.) 'Summer Dream Lavender' Bedding Verbena
'Summer Light' Black-eyed Susan Summer Lilac 'Purple Prince'
'Summer Pastels' Common Yarrow Sun Rose (spp.)
'Sunburst' Thornless Honey Locust Sundrops, Berlandier's
Sundrops, Hartweg's Sunflower, False (spp.)
Sunflower, Woolly Sunrose, Baby (spp.)
Sunrose, Baby 'Red Apple' Superstition Mallow
Swan's Neck Agave (spp.) Swan's Neck Agave 'Nova'