'This One' Daylily Thistle, Blessed
Thistle, Holy Thistle, Milk
Thistle, St. Mary's 'Thompsen' Colorado Spruce
Thorn, Broadpod Robust Thorn, Camel
Thorn, Egyptian Thorn, Giraffe
Thorn, Karro Thorn, Monkey
Thorn, Red Thorn, Umbrella
'Thornbird' Tall Bearded German Iris 'Thornless' Japanese Barberry
Threadleaf Coreopsis 'Golden Showers' Threadleaf Coreopsis 'Grandiflora'
Threadleaf Coreopsis 'Moonbeam' Threadleaf Coreopsis 'Zagreb'
Three Leaf Sumac Three-lobed Coneflower
Threeway Sedge 'Thume' Colorado Spruce
Thunberg's Barberry (spp.) Thunberg's Barberry 'Atropurpurea'
Thunberg's Barberry 'Atropurpurea Nana' Thunberg's Barberry 'Concorde'
Thunberg's Barberry Dwarf Golden Thunberg's Barberry 'Gold Beret'
Thunberg's Barberry 'Gold Pillar' Thunberg's Barberry Golden
Thunberg's Barberry 'Green Carpet' Thunberg's Barberry 'Green Ornament'
Thunberg's Barberry 'Harlequin' Thunberg's Barberry 'Kasia (Sunjoy® Mini Saffron)'
Thunberg's Barberry 'Kobold' Thunberg's Barberry 'Mimi (Sunjoy® Mini Salsa)'
Thunberg's Barberry 'Red Carpet' Thunberg's Barberry 'Sparkle'
Thunberg's Barberry 'Sunjoy® Citrus' Thunberg's Barberry 'Sunjoy® Syrah'
Thunberg's Barberry 'Sunjoy® Tangelo' Thunberg's Barberry 'Thornless'
'Thundercloud' Cherry Plum Tickseed Coreopsis 'Flying Saucers ™'
Tickseed (spp.) Tickseed Dwarf
Tickseed, Lanceleaf (spp.) Tickseed, Lanceleaf 'Baby Sun'
Tickseed, Lanceleaf 'Goldfink' Tickseed, Lanceleaf 'Sterntaler'
Tickseed, Lobed (spp.) Tickseed, Lobed Dwarf
Tickseed, Longstalk 'Flying Saucers ™' Tickseed, Whorled 'Golden Showers'
Tickseed, Whorled 'Grandiflora' Tickseed, Whorled 'Moonbeam'
Tickseed, Whorled 'Zagreb' 'Tiffany' Rose
'Tilford' Red Maple 'Timeless' Rose
'Tiny Tim' American Arborvitae Tobacco, Flowering (spp.)
Tobacco, Flowering 'Avalon Bright Pink' Tobacco, Jasmine (spp.)
Tobacco, Jasmine 'Avalon Bright Pink' Tobacco, Ornamental (spp.)
Tobacco, Ornamental 'Avalon Bright Pink' Tollon (spp.)
'Tom Thumb' Cotoneaster: hybrid Toothed Azara
Topal Holly 'East Palatka' Topal Holly 'Savannah'
Torch Lily (spp.) Torch Lily 'Flamenco'
Torch Lily 'Pfitzeri' Torch Lily 'Primrose Beauty'
Torch Lily 'Springtime' Torches
'Total Recall' Tall Bearded German Iris 'Totus Albus' Rose of Sharon
Townsend Barrel Cactus Toyon (spp.)
'Trailing Gold' Lantana: hybrid Trailing Lantana
Trailing Snapdragon 'Jewels' Transvaal Kafferboom
'Treasure Map' Tall Bearded German Iris 'Treasurer' New England Aster
Tree Huckleberry Tree Ligustrum (spp.)
Tree Ligustrum 'Excelsum Superbun' Tree Ocotillo
Tree Yucca (spp.) Tree Yucca 'Bright Edge'
Tree Yucca 'Color Guard' Tree Yucca 'Golden Sword'
Tree Yucca Variegated Tree, Mountain Cabbage