Sago Palm Sago Palm: revoluta
Saguaro Cactus Saho Palm
'Sahohime' Japanese Tree Peony Sailor Caps
'Saint Elmo's Fire' Hosta 'Saint Mary' Southern Magnolia
'Saishu Jinea' Hosta Sakhalin Fir
'Saku' Japanese Maple Salad Burnet
'Saladin' Daylily Salal
'Salicifolia Elata' American Boxwood Sallow Sedge
'Sally's Rose' Rose 'Salmon Beauty' Tree Mallow
'Salmon Orange' Azalea Salmon Path Geranium 'Pink Fairy Cascade'
'Salmon Supreme' Diascia 'Salsa Salmon' Scarlet Sage: splendens
Salt Bush Salt Bush: spinescens deltophylla
Salt Cedar (spp.) Salt Cedar 'Pink Cascade'
Salt Cedar 'Pink Glow' Salt Cedar 'Summer Glow'
Saltbush 'Green Cape' Saltbush, Australian
Saltbush, Creeping Saltbush, Spiny
Saltmarsh Morning Glory Saltspray Rose (spp.)
Saltspray Rose 'Agnes' Saltspray Rose 'Dart's Dash'
Saltspray Rose 'La Marne' Saltspray Rose 'Magnifica'
Saltspray Rose 'Red Dagmar' Saltspray Rose White
Salt-water Paperbark 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' 'Samantha' Lantana
'Samantha' Silver Leaf Hydrangea 'Samba' Old Fashioned Weigela
'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' 'Samuel Sommer' Southern Magnolia
'Samurai' China Fir 'Samurai' Formosa Toad Lily
'Samuri' Urn Plant Bromeliad San Bartolome
San Bruno Mountain Manzanita 'San Diego Red' Bougainvillea: Bougainvillea
'San Isidro Moon' Autumn Sage 'San Jose' Holly
San Miguel Mountain Sage