Sand Cherry, Purple Leaf Sand Cord Grass
Sand Dollar Cactus Sand Ginger
Sand Lily Sand Live Oak
Sand Onion (spp.) Sand Onion 'Rosalba'
Sand Pear Sand Pine
Sand Strawberry (spp.) Sandankwa Viburnum
Sandberry (spp.) Sandberry 'Massachusetts'
Sandberry 'Microphylla' Sandberry 'Point Reyes'
Sandberry 'Radiant' Sandbox Tree
'Sanderi' Hinoki False Cypress 'Sanderiana Variegata' Bougainvillea
'Sanderiana Variegata' Paper Flower 'Sanders Blue' White Spruce
Sandhill Sage (spp.) Sandhill Sage 'David's Choice'
Sandmat Manzanita Sandpaper Vervain (spp.)
'Sandra' Hybrid Hydrangea: hybrid 'Sandra' Summer Phlox
'Sandra' Vernal Witchhazel Sandwort
Sandwort, Mountain Sandwort: verna
'Sangerhausen' Rose 'Sango kaku' Japanese Maple
'Sangria' Scarlet Sage: splendens Sanguin Purple Coneflower
Sanguinaria 'Sanguineum' Japanese Maple
'Santa Ana' Bermuda Grass 'Santa Ana Cardinal' Alumroot: Heuchera
'Santa Ana' Ceanothus: hybrid Santa Barbara Ceanothus (spp.)
Santa Barbara Ceanothus 'Jondenberg' Santa Barbara Ceanothus 'Vandenberg'
Santa Barbara Liveforever 'Santa Cruz' Blue Hibiscus
'Santa Cruz' Firethorn Santa Cruz Kauri
'Santa Cruz' Pyracantha Santa Cruz Water Plate
Santa Cruz Waterlily Santa Fe Phlox
Santa Lucia Fir Santa Maria
Santa Maria: calaba 'Santa Rosa' Laurel Magnolia
Sanvitalia, Trailing (spp.) Sanvitalia, Trailing 'Aztec Gold'
Sanvitalia, Trailing 'Gold Braid' Sanvitalia, Trailing 'Irish Eyes'
Sanvitalia, Trailing 'Mandarin Orange' Sapodilla
'Sapphire' Blue Oat Grass 'Sapphire Blue' Sea Holly
'Sapphire' Bushy Aster Sapphire Flower 'Sapphire'
Sapphire Flower 'Blue Troll' Sapphire Flower 'Major'
Sapphire Sage 'Black and Blue' 'Sapphire' Sapphire Flower
'Sapphire Showers' Golden Dewdrop 'Sapporo Autumn Gold' Hybrid Elm
'Sarabande' Maiden Grass 'Sarah Eve' Virginia Sweetspire
'Sara-Sa' Japanese Camellia 'Saratoga' Ginkgo
Sargent Cherry (spp.) Sargent Cherry 'Columnaris'
Sargent Crabapple (spp.) Sargent Crabapple 'Tina'
Sargent Juniper Sargent Viburnum (spp.)
Sargent Viburnum 'Flavum' Sargent Viburnum 'Onondaga'
Sargent Viburnum 'Susquehanna' 'Sargentii' Canadian Hemlock
'Sargentii' Flowering Quince 'Sargentii' Ohio Buckeye
Sargent's Juniper 'Viridis' Sarsaparilla, False (spp.)
Sarsaparilla, False 'Happy Wanderer' Sasanqua Camellia
Saskatoon Serviceberry (spp.) Saskatoon Serviceberry 'Regent'
Sassafras Sassafras, Chinese
Sassafras, Common