Saguaro Cactus 'Sahohime' Japanese Tree Peony
Sailor Caps 'Saint Elmo's Fire' Hosta
'Saishu Jinea' Hosta Salad Burnet
'Saladin' Daylily Sallow Sedge
Salmon Path Geranium 'Pink Fairy Cascade' 'Salmon Supreme' Diascia
'Salsa Salmon' Scarlet Sage: splendens Saltbush 'Green Cape'
Saltmarsh Morning Glory Salvia 'Blue Queen'
Salvia 'Caradonna' Salvia 'Marcus'
Salvia 'May Night' Salvia 'Plumosa'
Salvia 'Rosenwein' Salvia, Blue (spp.)
Salvia, Blue 'Argent' Salvia, Blue 'Signum'
Salvia, Blue 'Strata' Salvia, Blue 'Victoria Blue'
Salvia, Bog Salvia, Perennial 'Purple Rain'
Salvia, Red (spp.) Salvia, Red 'Caramba'
Salvia, Red 'Cleopatra' Salvia, Red 'Empire Red'
Salvia, Red 'Firecracker Wow' Salvia, Red 'Magic Burgundy'
Salvia, Red 'Purple Blaze' Salvia, Red 'Salsa Salmon'
Salvia, Red 'Sangria' Salvia, Red 'Sizzler Burgundy'
Salvia, Red 'Sizzler Lavender' Salvia, Red 'Sizzler Lilac Bicolor'
Salvia, Red 'Sizzler Mix' Salvia, Red 'Sizzler Salmon'
Salvia, Red 'Van Houttei' Salvia, Red 'Vista Red'
Salvia, Rosebud (spp.) Salvia: superbahybrid, Blue (spp.)
Salvia: superbahybrid, Blue 'Merleau' 'Samobor' Mourning Widow Cranesbill
Samphire, Sea Sampson, Black (spp.)
Sampson, Black 'Bright Star' Sampson, Black 'Kim's Knee High'
Sampson, Black 'Kim's Mophead' Sampson, Black 'Magnus'
Sampson, Black 'Primadonna® Rose' Sampson, Black 'Ruby Star'
Sampson, Black 'Stewarts Pink' Sampson, Black 'Stewarts Red'
Sampson, Black 'White King' Sampson, Black 'White Swan'
'Samurai' Formosa Toad Lily 'Samuri' Urn Plant Bromeliad
San Miguel Mountain Sage Sand Cord Grass
Sand Dollar Cactus Sand Ginger
Sand Lily Sand Onion (spp.)
Sand Onion 'Rosalba' Sand Strawberry (spp.)
Sandhill Sage (spp.) Sandhill Sage 'David's Choice'
Sandpaper Vervain (spp.) 'Sandra' Summer Phlox
Sandwort Sandwort, Mountain
Sandwort: verna 'Sangria' Scarlet Sage: splendens
Sanguin Purple Coneflower 'Santa Ana' Bermuda Grass
'Santa Ana Cardinal' Alumroot: Heuchera Santa Barbara Liveforever
Santa Cruz Water Plate Santa Cruz Waterlily
Santa Fe Phlox Sanvitalia, Trailing (spp.)
Sanvitalia, Trailing 'Aztec Gold' Sanvitalia, Trailing 'Gold Braid'
Sanvitalia, Trailing 'Irish Eyes' Sanvitalia, Trailing 'Mandarin Orange'
'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
'Sarabande' Maiden Grass Sarsaparilla, False (spp.)
Sarsaparilla, False 'Happy Wanderer'