Tritoma (spp.) Tritoma 'Flamenco'
Tritoma 'Pfitzeri' Tritoma 'Primrose Beauty'
Tritoma 'Springtime' Tropic Laurel (spp.)
'Tropical Fruit' Lantana Tropical Hibiscus (spp.)
Tropical Hibiscus 'Hawaiian Salmon' Tropical Hibiscus 'Jason'
Tropical Hibiscus 'Snow Queen' True Mulga
Trumpet Creeper (spp.) Trumpet Creeper: tagliabuanahybrid 'Kudan'
Trumpet Flower (spp.) Trumpet Honeysuckle (spp.)
Trumpet Honeysuckle 'John Clayton' Trumpet Vine 'Kudan'
Trumpet Vine, American (spp.) Trumpet, Orange
'Trumpeter' Rose Trumpetflower, Evening
Tschonoskii Crabapple Tupelo, Black (spp.)
Tupelo, Chinese Tupelo, Ogeechee
Tupelo, Water Turkey Foot
Turtlehead Turtlehead, Pink (spp.)
Turtlehead, Rose Turtlehead, White
'Tutti Fruitti' Mexican Hyssop Twinberry
Twinberry: fragrans Twining Snapdragon 'Jewels'
Two Winged Silverbell Two Winged Silverbell: diptera
'Umbracalifera' American Arborvitae 'Umbraculifera' Eastern White Pine
Umbrella Bamboo: spathiflorus Umbrella Bamboo: spathiflorus crassinodus
Umbrella Pine: pinea Umbrella Thorn
Umbrella Tree (spp.) Umbrella Tree, Queensland (spp.)
Umsenge 'Unicorn' American Arborvitae
Utah Juniper Uverillo
'Valentine Heart' Rose Valerian, Red (spp.)
Valerian, Red 'Coccineus' 'Van Houttei' Scarlet Sage: splendens
Vanilla Plant 'Vanitie' Tall Bearded German Iris
Variegated Adam's Needle Yucca Variegated American Aloe
Variegated Birdcatcher Tree Variegated Caribbean Agave 'Marginata'
Variegated Firethorn Variegated Giant Reed Grass
Variegated Japanese Angelica Tree Variegated Maiden Grass
Variegated Obedient Plant Velvet Plant: thapsus
Velvet Sumac (spp.) Velvet Sumac 'Lanciniata'
Verbena, Brazilian Verbena, Lemon
Verbena, Purple Verbena, Shrub (spp.)
Verbena, Shrub 'Banana Split' Verbena, Shrub 'Bante Rossa'
Verbena, Shrub 'Lemon Swirl' Verbena, Shrub 'Luscious® Citrus Blend'
Verbena, Shrub 'Luscious® Grape' Verbena, Shrub 'Luscious® Lemonade'
Verbena, Shrub 'New Gold' Verbena, Shrub 'Pink Caprice'
Verbena, Shrub 'Radiance' Verbena, Shrub 'Radiation'
Verbena, Shrub 'Silver Mound' Verbena, Shrub 'Tropical Fruit'
Verbena, Tall 'Verdun' Japanese Rose
'Verdun' Multiflora Rose 'Vervaeneana' American Arborvitae
Vervain, Butterfly