Smoke Tree, Purple 'Royal'
Smoketree, Wigtree
Smoking Tobacco
Snapdragon
Sneezeweed
Snow Queen Bee Balm, Oswego Tea
Snow-In-Summer
Snowbell, Fragrant
Snowbell, Japanese Snowdrop
Snowberry, Common or Waxberry
Snowberry, Smoothleaf
Snowdrop Tree, Carolina Silverbell
Solomon's Seal, Small
Sour Gum, Tupelo, Pepperidge
Spanish Bayonet
Spice Bush
Spiraea, Bridal Wreath
Spiraea, Japanese 'Snow mound'
Spiraea, Thunberg
Spirea, Gold Flame