Tumbleweed Onion Tumeric
Tuna Cholla Tunic Flower
Turban Buttercup (spp.) Turban Buttercup 'Bloomingdales Pink Shades'
'Turkenlouis' Oriental Poppy Turkestan Tulip
Turkestan Tulip 'Red Reflexion' Turkey Corn (spp.)
Turkey Corn 'Snowdrift' Turkey Foot
Turkey Tangle Turkish Tulip
Turk's Cap Lily 'Turn of the Century' Mallow
Turnip-Rooted Celery Turtlehead
Turtlehead, Pink (spp.) Turtlehead, Pink 'Hot Lips'
Turtlehead, Rose Turtlehead, White
Tussock Bellfower (spp.) Tussock Bellfower 'Bavaria Blue'
Tussock Bellfower 'Blue Clips' Tussock Bellfower 'Blue Moonlight'
Tussock Bellfower 'Blue Uniform' Tussock Bellfower 'Deep Blue Clips'
Tussock Bellfower 'Pearl Deep Blue' Tussock Bellfower 'White Uniform'
Tussock Grass (spp.) Tussock Grass 'Gold Selection'
Tussock Grass 'Goldgehaenge(Gold Shower)' Tussock Grass 'Northern Lights'
Tussock Grass 'Schottland(Scotland)' 'Tutti Fruitti' Mexican Hyssop
'Twilight' Hosta Twining Snapdragon (spp.)
Twining Snapdragon 'Jewels' 'Twinkle Pink' Cuphea
Twinleaf Twinspur 'Darla Pink Twinspur'
Twinspur 'Darla Red Twinspur' Twinspur 'Darla Rose Twinspur'
Twinspur 'Darla White Twinspur' Twinspur 'Deep Salmon Twinspur'
Twinspur 'Diamonte Coral Rose' Twinspur 'Elfjes Doortje Twinspur'
Twinspur 'Elfjes Filina Twinspur' Twinspur 'Elfjes Jochie Twinspur'
Twinspur 'Flying Colors® Trailing Red Twinspur' Twinspur 'Light Pink Twinspur'
Twinspur 'Red Ace' Twinspur 'Salmon Supreme'
Twinspur 'Sun Chimes Coral' Twinspur, Rigid
'Twist' New York Aster Twisted Trillium
Two Row Stonecrop (spp.) Two Row Stonecrop 'Bronze Carpet'
Two Row Stonecrop 'Dragon's Blood' Two Row Stonecrop 'Elizabeth'
Two Row Stonecrop 'Fulda Glow' Two Row Stonecrop 'John Creech'
Two Row Stonecrop 'Splendens' Two Row Stonecrop 'Tricolor'
Two Row Stonecrop Variegated Umbrella Arum (spp.)
Umbrella Bamboo Umbrella Bamboo: spathiflorus
Umbrella Bamboo: spathiflorus crassinodus Umbrella Plant (spp.)
Umbrella Plant, Dwarf Variegated Umbrella Plant: alternifolius
Umbrella Plant: hybrid Umbrella Sedge
Umsenge Underwater Rose
'Universal Orange Plus' Pansy Upright Bugleweed (spp.)
Upside Down Fern Urn Plant Bromeliad 'Samuri'
Urn Plant (spp.) Urn Plant 'Primera'
Urn Plant 'Silver Vase' Urn Plant 'Super Auslese'
Urn Plant: ssp. Urumiensis Tulip
'Valentine Lace' Hosta Valerian
Valerian, Eastern Valerian, Greek (spp.)
Valerian, Red (spp.) Valerian, Red 'Coccineus'
Valerian: reptans, Greek 'Van Houttei' Scarlet Sage: splendens
Vanda Orchid Vanhoutte's Brazil Sage (spp.)