Smoke Bush (spp.) Smoke Bush 'Flame'
Smoke Bush 'Purple Robe' Smoke Bush 'Purpureus'
Smoke Bush 'Royal Purple' Smoke Bush 'Velvet Cloak'
Smoke Bush 'Young Lady' Smoke Tree (spp.)
Smoke Tree 'Flame' Smoke Tree 'Purple Robe'
Smoke Tree 'Purpureus' Smoke Tree 'Royal Purple'
Smoke Tree 'Velvet Cloak' Smoke Tree 'Young Lady'
Smoke Tree, American Smoke Tree, Grace Hybrid 'Grace'
Smoke Tree: obovatus X C. coggygria 'Smoky Mountian' Chinese Hibiscus
Smooth Arizona Cypress Golden Smooth Azalea
Smooth Bark Kauri Smooth Barked Arizona Cypress Golden
Smooth Blackhaw Smooth Bumelia
Smooth Hydrangea (spp.) Smooth Hydrangea: arborescens (spp.)
Smooth Hydrangea: arborescens 'Annabelle' Smooth Hydrangea: arborescens 'Grandiflora'
Smooth Hydrangea: arborescens 'Incrediball®' Smooth Hydrangea: arborescens 'Invincibelle® Spirit'
Smooth Hydrangea: arborescens 'White Dome®' Smooth Manjack
Smooth Redbud Smooth Serviceberry (spp.)
Smooth Serviceberry 'Cumulus' Smooth Serviceberry 'Lancifolia'
Smooth Sumac Smooth Tasmanian Cedar
Smooth Witherod (spp.) Smooth Witherod 'Brandywine™'
Smooth Witherod 'Winterthur' Smooth-bark Apple
Smoothleaf Elm (spp.) Smoothleaf Elm 'Umbraculifera'
Smoothleaf Elm: carpinifolia parvifoliahybrid 'SMVCB (Spice Baby™)' Koreanspice Viburnum
Snailseed Snake Plant 'Patula'
Snake Plant 'Pulchra' Snake Plant 'Golden Hahnii'
Snake Plant 'Silver Queen' Snake Plant: fischeri
Snake Vine Snakebark Maple
Snakebark Maple: davidii Snakebark Maple: davidii grosseri
Snakeroot 'Rhodotera' Snakeweed 'Prostrate Blue'
Snakeweed, Blue Snakeweed, Common
Snakeweed, Red Variegated Snakewood, Bitter
Snapdragon, Island Bush 'Snow' Azalea
Snow Azalea (spp.) 'Snow Baby' Crapemyrtle
Snow Bush, Hawaiian 'Roseopicta' 'Snow Day® Blizzard' Pearl Bush
'Snow Day® Surprise' Pearl Bush 'Snow Drift' Rose of Sharon
'Snow Dwarf' Japanese Skimmia 'Snow Fairy' Bluebeard
'Snow Flake' New Zealand Tea Tree 'Snow Goose' Cherry
'Snow' Kurume Azalea Snow on the Mountain 'Roseopicta'
'Snow Queen' Chinese Hibiscus 'Snow Queen' Oakleaf Hydrangea
'Snow' Sawara Cypress 'Snow Storm™' European Spirea
'Snow Velvet' Mock Orange 'Snowball' Monterey Ceanothus
Snowball, Wild Snowbell, American
Snowbell, Fragrant Snowbell, Japanese (spp.)
Snowbell, Japanese 'Emerald Pagoda' Snowberry 'Mother of Pearl'
Snowberry 'Amethyst™' Snowberry 'Magic Berry'
Snowberry, West Indian Snowberry: microphyllus
'Snowbird' Shrubby Cinquefoil 'Snowdrift' Flowering Crabapple
Snowdrop Tree 'Snowflake' Oakleaf Hydrangea
'Snowhill' Hybrid Hydrangea: hybrid Snowhill Hydrangea (spp.)
Snowhill Hydrangea 'Annabelle' Snowhill Hydrangea 'Grandiflora'
Snowhill Hydrangea 'Incrediball®' Snowhill Hydrangea 'Invincibelle® Spirit'
Snowhill Hydrangea 'White Dome®' 'Snowmound' Nippon Spirea
Snowy River Wattle