'Sawtooth' Doublefile Viburnum: plicatum Sawtooth Hydrangea 'Akisho Temori'
Sawtooth Hydrangea 'Amagi Amacha' Sawtooth Hydrangea 'Beni-gaku'
Sawtooth Hydrangea 'Blue Billow' Sawtooth Hydrangea 'Coerulea Lace'
Sawtooth Hydrangea 'Diadem' Sawtooth Hydrangea 'Golden Sunlight'
Sawtooth Hydrangea 'Grayswood' Sawtooth Hydrangea 'Kiyosumi'
Sawtooth Hydrangea 'Midoriboshi Temari' Sawtooth Hydrangea 'Miranda'
Sawtooth Hydrangea 'Miyama Yac Muroski' Sawtooth Hydrangea 'Pink Beauty'
Sawtooth Hydrangea 'Purple Tiers' Sawtooth Hydrangea 'Shashiva'
Sawtooth Hydrangea 'Shirofugi' Sawtooth Hydrangea 'Shirotae'
Sawtooth Hydrangea 'Tiny Tuff Stuff™' Sawtooth Hydrangea 'Tuff Stuff™'
Sawtooth Pearlbush (spp.) 'Sawyer' Lavender
Scaevola Scaly Phebalium
Scaly Zamia 'Scarff's Red' Flowering Quince
Scarlet Bottlebrush (spp.) Scarlet Bottlebrush 'Anzac'
Scarlet Bottlebrush 'Hannah Ray' Scarlet Bottlebrush 'Splendens'
Scarlet Bush Scarlet Cape Honeysuckle
Scarlet Kunzea 'Scarlet Leader' Willowleaf Cotoneaster
Scarlet Plume (spp.) Scarlet Plume 'Alba'
'Scarlet Sprite' Rosemary Grevillea 'Scarlett O'Hara' Winterberry: verticillata
'Scent and Sensibility® Pink' Lilac 'Scentimental' Rose
'Scentsation' Common Honeysuckle 'Scentsation' Japanese Camellia
'Scheesturm' Mock Orange Schefflera, Dwarf (spp.)
Schefflera, Dwarf 'Gold Cappella' Schefflera, Hawaiian (spp.)
Schefflera, Hawaiian 'Gold Cappella' Schefflera: pueckleri
'Schilling's Dwarf' Yaupon Holly 'Schipkaensis' Cherry Laurel
Schumann's Abelia (spp.) Schumann's Abelia 'Bumblebee'
Scotch Elm Dwarf Scotch Heath (spp.)
Scotch Heath 'December Red' Scotch Heather (spp.)
Scotch Heather 'Boeley Gold' Scotch Heather 'County Wicklow'
Scotch Heather 'Cuprea' Scotch Heather Golden
Scotch Heather 'H.E. Beale' Scotch Heather 'Kinlochruei'
Scotch Heather 'Pyramidalis' Scotch Heather 'Redwings'
Scotch Heather 'Rosea' Scotch Heather 'Sunset'
Scotch Purse Scotch Rose 'Hispida'
Scrambling Sky Flower (spp.) Scrub Apple
Scrub Live Oak Scrub Mallee
Sea Buckthorn 'Sea Foam' Bigleaf Hydrangea
'Sea Foam' Rose 'Sea Green' Chinese Juniper
Sea Hibiscus Variegated Sea Lavender: gnaphalodes
Sea Myrtle 'Secret' Rose
'Seigen Rubrum' Japanese Maple 'Sekka yatsubusa' Japanese Maple
Selloum 'Semmes Beauty' Oakleaf Hydrangea
Seneca 'Rhodotera' Senna, Bahama
'Senorita' Rose 'Sensation' Common Lilac
Sensitive Plant 'Sentinel' Japanese Holly
'Seoul Gold' Korean Greenstem Forsythia 'September Beauty' Summer Sweet
Serbian Spruce Dwarf Serbian Spruce 'Gnom'
Serissa Variegated Serissa 'White Swan'