Perennials: Tref - Tuck (86)
Trefoil
Trefoil, Birdsfoot
'Trehane' Austrician Speedwell
'Trehane' Prostrate Speedwell
Treleasei
Trembling Grass
'Trevi Fountain' Lungwort: hybrid
Triangle Cactus
'Tricia' Daylily
'Tricolor' Garden Sage
'Tricolor' Kamschataka Stonecrop
'Tricolor' Never-never Plant
'Tricolor' Oyster Plant: spathacea
'Tricolor' Pinwheel
'Tricolor' Pseuderanthemum
'Tricolor' Sweet Potato Vine
'Tricolor' Toad Lily
'Tricolor' Two Row Stonecrop
'Tricolor' Zonal Geranium
Trillium 'Rubrum'
Trillium, Green
Trillium, Large Flowered
Trillium, Little
Trillium, Prairie
Trillium, Primrose
Trillium, Purple
Trillium, Red
Trillium, Relict
Trillium, Snow
Trillium, Southern Red
Trillium, Sprawling
Trillium, Toad
Trillium, Twisted
Trillium, Underwood's
Trillium, Yellow
Trillium: grandiflorum, White
'Trimix' Alpine Aster
'Triple Pink' European Columbine
'Triple Purple' European Columbine
Tritoma (spp.)
Tritoma 'Early Hybrids'
Tritoma 'Flamenco'
Tritoma 'Flava'
Tritoma 'Lola'
Tritoma 'Pfitzeri'
Tritoma 'Primrose Beauty'
Tritoma 'Springtime'
'Triumph' Mossy Saxifrage
'Tropic Marianne' Dumbcane
'Tropic Snow' Spotted Dumbcane
Tropical Basil 'Dark Opal'
Tropical Dayflower
Tropical Gesneriad
Tropical Milkweed (spp.)
Tropical Milkweed 'Red Butterfly'
Tropical Milkweed 'Silky Deep Red'
Tropical Milkweed 'Silky Gold'
Tropical Milkweed 'Yellow'
Tropical Pitcher Plant
'Tropical Rose' Garden Canna
'Tropical Yellow' Garden Canna
'Tropicana' Garden Canna
'Trudy Slocum' Waterlily
'True Burbank Thornless' Cholla Cactus
True Forget-Me-Not (spp.)
True Forget-Me-Not 'Pink'
Trumpet Lily
Trumpet Narcissus
Trumpet Vine, Blood Red
Trumpet Vine, Blue (spp.)
Trumpet Vine, Blue 'Variegata'
Trumpet Vine, Scarlet
Trumpet, Orange
Trumpet, White
Trumpet, Yellow 'Peaches & Green'
Trumpetilla
Trumpets 'Peaches & Green'
Tube Clematis (spp.)
Tube Clematis 'Alan Bloom'
Tuberose
Tuberous Begonia (spp.)
Tuberous Begonia 'Richmondenses'
Tuberous Orchid
Tuberous Vervain (spp.)
Tuberous Vervain 'Polaris'
Tuckahoe (spp.)