Trailing Dalea Trailing Milkweed
Trailing Sagebrush (spp.) Trailing Sanvitalia (spp.)
Trailing Sanvitalia 'Irish Eyes' Trailing Sanvitalia 'Mandarin Orange'
Trailing Snapdragon 'Jewels' 'Treasurer' New England Aster
Tree Anemone (spp.) Tree Huckleberry
Tree Ocotillo Tree Yucca (spp.)
Tree Yucca 'Bright Edge' Tree Yucca 'Color Guard'
Tree Yucca 'Golden Sword' Tree Yucca Variegated
Tree, Umbrella Treleasei
'Trewithen Blue' Feltleaf Ceanothus Triangle Cactus
Triangle Leaf Bursage Trillium, Large Flowered
Trillium, Purple Trillium, Snow
Trillium, Toad Trillium, White
Trillium, Yellow 'Triomf van Boskoop' Lawson's Cypress
'Tripartita' Eastern Red Cedar Trout Lily 'Citronella'
'True Blue' Garden Ageratum 'True Burbank Thornless' Cholla Cactus
True Forget-Me-Not (spp.) 'True Shade' Thornless Honey Locust
Trumpet Creeper (spp.) Trumpet Creeper 'Crimson Trumpet'
Trumpet Creeper 'Flava' Trumpet Flower (spp.)
Trumpet Flower 'Jekyll' Trumpet Flower 'Tangerine Beauty'
Trumpet Flower, Yellow Trumpet Honeysuckle (spp.)
Trumpet Tree, Golden Trumpet Vine, American (spp.)
Trumpet Vine, American 'Crimson Trumpet' Trumpet Vine, American 'Flava'
Trumpet, White Trumpet, Yellow 'Peaches & Green'
Trumpetflower, Evening Trumpetilla
Trumpets 'Peaches & Green' Tuberose
Tuckahoe (spp.) Tufted Evening Primrose
Tulip Gentian (spp.) Tulip Gentian 'Blue Lisa'
Tulip Gentian 'Forever Blue' Tulip Gentian 'Yodel Blue'
Tulip Poplar (spp.) Tulip Poplar 'Arnold'
Tulip Tree (spp.) Tulip Tree 'Arnold'
Tuna Cholla Tupelo, Black (spp.)
Tupelo, Black 'Dirr Selection' Tupelo, Ogeechee
Tupelo, Water Turkey Corn (spp.)
Turkey Corn 'Snowdrift' Turkey Foot
Turkey Tangle Turk's Cap
Turpentine Bush 'Turqouise Spreader' Creeping Juniper
Turtlehead Turtlehead, Pink (spp.)
Turtlehead, Pink 'Hot Lips' Turtlehead, Rose
Turtlehead, White Twinberry
Twinberry: fragrans Twinflower
Twining Snapdragon 'Jewels' Twinleaf
Two Winged Silverbell Two Winged Silverbell: diptera
'Umbracalifera' American Arborvitae 'Umbraculifera' Eastern White Pine
Umbrella Magnolia Umbrella Plant (spp.)
Umbrella Tree Umbrella Tree (spp.)
Umbrella Tree 'Amate™' Umbrella Tree, Queensland (spp.)
Umbrella Tree, Queensland 'Amate™' Underwater Rose
'Unicorn' American Arborvitae Unicorn Plant
Utah Juniper Uverillo