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: 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 'Aztec Gold' 'Sapphire' Blue Oat Grass
'Sapphire Blue' Sea Holly 'Sapphire' Bushy Aster
Sapphire Sage 'Black and Blue' 'Sarabande' Maiden Grass
Sarsaparilla, False (spp.) Sarsaparilla, False 'Happy Wanderer'
Satin Flower: striatum 'Sativa' Tarragon
Saucer Plant Savory Calamint
Savory, Winter Saw Leaved Speedwell (spp.)
Saw Leaved Speedwell: austriaca 'Trehane' Sawsepal Penstemon