Groundcovers: Slen - Sunn (99)
Slender Deutzia 'Nikko'
Slender Myoporum
Small Leaf Confederate Jasmine (spp.)
Small Leaf Confederate Jasmine Variegated
Small Leaf Kunzea 'Dwarf'
Snowball, Wild
Southern Bush Honeysuckle 'Butterfly'
Southern White Cedar 'Conica'
'Sparkle' Japanese Barberry
Spearvine
Speedwell: morrisonicola
Spider Flower 'Austraflora Fanfare'
Spider Net Grevillea
Spiraea, Rock
Spirea
Spirea, Japanese 'Albiflora'
Spirea, Japanese 'Alpina'
Spirea, Japanese 'Bullata'
Spirea, Japanese 'Crispa'
Spirea, Japanese 'Dakota Goldcharm'
Spirea, Japanese 'Dart's Red'
Spirea, Japanese 'Firelight'
Spirea, Japanese 'Flaming Mound'
Spirea, Japanese 'Frobelii'
Spirea, Japanese 'Golden Princess'
Spirea, Japanese 'Lemon Princess'
Spirea, Japanese 'Little Princess'
Spirea, Japanese 'Magic Carpet'
Spirea, Japanese 'Neon Flash'
Spirea, Japanese 'Norman'
Spirea, Japanese 'Shirobana'
Spirea, Thunberg 'Mt. Fuji'
Spirea: formosana
Spirea: miyabei
Spirea: slatchenfella
Spirea: tarokoensis
'Spotlight' Artillery Plant
Spreading Acacia
Spreading Cherry Dwarf
'Spreading Sunset' Lantana
Spring Heath 'Sherwood Creeping'
'Spring Valley' Ceanothus: hybrid
Spruce, Blue 'Prostrate Blue Mist'
Spruce, Blue 'St. Mary's Broom'
Spruce, Colorado 'Prostrate Blue Mist'
Spruce, Colorado 'St. Mary's Broom'
Spruce, Norway 'Arnold dwarf'
Spruce, Norway 'Horae Wilson'
Spruce, Norway 'Maxwellii'
Spruce, Norway 'Procumbens'
Spruce, Norway 'Prostrata'
Spruce, Norway 'Pumila Nigra'
Spruce, Norway 'Repens'
Spurge: resinifera
St. Johnswort (spp.)
St. Johnswort 'Tricolor'
St. Johnswort 'Glacier'
St. Johnswort Variegated
St. Johnswort, Creeping (spp.)
St. Johnswort, Creeping 'Golden Rule®'
St. Johnswort, Golden (spp.)
St. Johnswort, Golden 'Sunburst'
St. Johnswort, Kalm 'Ames'
St. Johnswort, Kalm 'Blues Festival™'
St. Johnswort: forrestii
St. Johnswort: reptans
'St. Mary's Broom' Colorado Spruce
'Star' English Ivy
Star Jasmine Variegated
'Starn' Coyote Bush
Stephanandra, Cutleaf (spp.)
Strathmore Weed
Strawberry Bush, Running
Strawberry Firetails
Strawberry Foxtails
Strawflower: petiolare (spp.)
Strawflower: petiolare 'Limelight'
Strawflower: petiolare Variegated
'Sulphurea' Juniper Grevillea
Sumac, Fragrant 'Gro-low'
Summer Holly Manzanita: diversifolia
'Summer Love' Dwarf Cat's Tail
'Summer Stars™' Georgia Bush Honeysuckle
Sun Rose (spp.)
Sun Rose 'Annabel'
Sun Rose 'Ben Adler'
Sun Rose 'Ben Nevis'
Sun Rose 'Broughton'
Sun Rose 'Buttercup'
Sun Rose 'Cerise Queen'
Sun Rose 'Goldie Lock'
Sun Rose 'Mutabile'
Sun Rose 'Rose-Pink'
Sun Rose 'Roxborough Gold'
Sun Rose 'Wisley Pink'
Sun Rose: Helianthemum 'Razzle Dazzle'
Sun Rose: nummularium obscurum
'Sunburst' Golden St. Johnswort
'Sunny Lane ™' Wintercreeper