'Senorita' Rose 'Sensation' Boxelder
'Sensation' Common Lilac 'Sensation' Peace Lily
Sensitive Fern Sensitive Plant
Sensitive Plant: aquatica Sensitive Plant: oleracea
'Sentimental Blue' Balloon Flower 'Sentinel' Flowering Crabapple
'Sentinel' Japanese Holly 'Sentry' Possum Haw Holly
'Seoul Gold' Korean Greenstem Forsythia 'September Beauty' Chinese Sumac
'September Beauty' Summer Sweet September Elm
'September Gold' Daylily 'September' Golden Raintree
'September Sun' Hosta Sequoia, Giant (spp.)
Sequoia, Giant Weeping Serbian Bellflower (spp.)
Serbian Bellflower 'E.K. Toogood' Serbian Spruce (spp.)
Serbian Spruce Dwarf Serbian Spruce 'Elite'
Serbian Spruce 'Gnom' Serbian Spruce Weeping
'Serena Purple' Summer Snapdragon 'Serena White' Summer Snapdragon
'Serene Madame' Daylily Seriphidium
Serissa Variegated Serissa 'White Swan'
Service Viburnum Serviceberry (spp.)
Serviceberry, Allegheny (spp.) Serviceberry, Allegheny 'Cumulus'
Serviceberry, Allegheny 'Lancifolia' Serviceberry, Apple (spp.)
Serviceberry, Apple 'Autumn Brilliance' Serviceberry, Apple 'Cole's Select'
Serviceberry, Apple 'Princess Diana' Serviceberry, Apple 'Robin Hill'
Serviceberry, Canada (spp.) Serviceberry, common
Serviceberry, Downy (spp.) Serviceberry, Dwarf Garden 'Pumila'
Serviceberry, Saskatoon (spp.) Serviceberry, Saskatoon 'Regent'
Serviceberry, Smooth (spp.) Serviceberry, Smooth 'Cumulus'
Serviceberry, Smooth 'Lancifolia' Serviceberry: alnifolia (spp.)
Serviceberry: alnifolia 'Regent' Serviceberry: arborea, Downy
Serviceberry: canadensis (spp.) Setterwort (spp.)
Setterwort Variegated Seven Son Flower
Seven Year Apple Seven Year Bean
Shadblow (spp.) Shadbush (spp.)
'Shade Fanfare' Hosta 'Shademaster' Thornless Honey Locust
'Shady Lady' Black Olive Tree 'Shadyside' Daylily
Shagbark Hickory (spp.) Shagbark Hickory 'Grainger'
Shagbark Hickory: ovata pubescens Shagbark, Southern
'Shaggy' Greater Masterwort Shaggy Shield Fern
'Shaina' Japanese Maple 'Shale Barrnes' Wild Stonecrop
Shallot (spp.) Shallot 'Kelsae Sweet Giant'
Shame Plant Shamel Ash
Shampoo Ginger 'Shamrock' Bigleaf Hydrangea
'Shamrock' Gallberry Holly Shamrock (spp.)
Shamrock 'Atropurpureum' Shamrock 'Wheatfen'
Shamrock, False Shamrock, Purple (spp.)
Shamrock, Purple 'Atropurpurea' Shamrock: viops
'Shannon' Japanese Kerria Shantung Hybrid Maple (spp.)
Shantung Maple (spp.) Shantung Maple 'Dissectum'
Sharp-lobed Hepatica 'Sharps Improved' Buffalo Grass
'Sharp's Pygmy' Japanese Maple