Plants starting with T
- Tanacetum 'Robinson's Giant Crimson' Painted Daisy
- Tanacetum 'Robinson's Giant Mix' Painted Daisy
- Tanacetum 'Robinson's Rose' Painted Daisy
- Tanacetum coccineum 'James Kelway' Pyrethrum Painted Daisy
- Tanacetum densum amani Partridge Feather
- Taxodium ascendens 'Carolyn Malone' Greenfeather® Pond Cypress
- Taxodium distichum Bald Cypress
- Taxodium distichum 'Cascade Falls' PP12296 Weeping Bald Cypress
- Taxodium distichum 'Peve Minaret' Bald Cypress
- Taxodium distichum 'Shawnee Brave' Bald Cypress
- Taxus baccata 'Erecta' Columnar English Yew
- Taxus baccata 'Fastigiata' (Stricta) Irish Yew
- Taxus baccata 'Repandens' Spreading English Yew
- Taxus cuspidata 'Monloo' Emerald Spreader Emerald Spreader Yew
- Taxus cuspidata 'Nana Aurescens' Dwarf Golden Japanese Yew
- Taxus x media 'Dark Green Spreader' Yew
- Taxus x media 'Densiformis' Yew
- Taxus x media 'Erschzam' Erie Shores™ Erie Shores Yew
- Taxus x media 'Everlow' Everlow Yew
- Taxus x media 'H.M. Eddie' Yew
- Taxus x media 'Hicksii' Hick's Yew
- Taxus x media 'Hillii' Hill's Yew
- Taxus x media 'Tauntonii' Yew
- Tetraneuris acaulis var arizonica Hymenoxys Sun Dancer Daisy
- Teucrium 'Harlequin's Silver' Eversilver™ Creeping Germander
- Teucrium chamaedrys Germander
- Teucrium chamaedrys 'Prostratus' Prostrate Germander
- Teucrium chamaedrys nanum Germander
- Teucrium cossonii Creeping Germander
- Thalictrum aquilegiifolium Meadow Rue
- Thalictrum aquilegiifolium 'Black Stockings' Meadow Rue
- Thalictrum aquilegiifolium 'My Little Favorite' Meadow Rue
- Thalictrum aquilegiifolium NIMBUS™ 'White' Meadow Rue
- Thermopsis lupinoides Golden Candles
- Thuja occidentalis 'Amber Glow' Arborvitae
- Thuja occidentalis 'Art Boe' PP22174 North Pole® Arborvitae
- Thuja occidentalis 'Bobozam' Mr. Bowling Ball® Dwarf Arborvitae
- Thuja occidentalis 'Degroots Spire' Arborvitae
- Thuja occidentalis 'Hetz Midget' Hetz Midget Arborvitae
- Thuja occidentalis 'King of Brabant' PP29678 Private Jet™ Arborvitae
- Thuja occidentalis 'Pyramidalis' Arborvitae
- Thuja occidentalis 'Smaragd' 'Emerald Green' Arborvitae
- Thuja occidentalis 'SMNTOBAB' PP30761 Tater Tot® Arborvitae
- Thuja occidentalis 'Tom Thumb' Arborvitae
- Thuja plicata 'De Rakt' Sugar and Spice™ PP19926 Arborvitae Western Red Cedar
- Thuja plicata 'Grovepli' Spring Grove® Arborvitae Western Red Cedar
- Thuja plicata 'Northern Spire' PP31298 Arborvitae Western Red Cedar
- Thuja plicata 'Whipcord' Arborvitae
- Thuja plicata x standishii 'Virginian'™ Virginian Arborvitae
- Thuja standishii x plicata 'Green Giant' Arborvitae Western Red Cedar
- Thuja standishii x plicata 'Leprechaun' Arborvitae Western Red Cedar
- Thuja standishii x plicata 'Steeplechase' PP16094 Arborvitae Western Red Cedar
- Thymus citriodorus 'Doone Valley' Golden Lemon Thyme
- Thymus neiceffii 'Juniper' Juniper Leaf Thyme
- Thymus praecox 'Albiflorus' White Creeping Thyme
- Thymus praecox 'Nutmeg' Creeping Thyme
- Thymus pseudolanginosus Woolly Thyme
- Thymus serpyllum Mother of Thyme
- Thymus serpyllum 'Coccineum' Red Creeping Thyme
- Thymus serpyllum 'Elfin' Creeping Thyme
- Thymus serpyllum 'Magic Carpet' Creeping Thyme
- Thymus serpyllum 'Pink Chintz' Creeping Thyme
- Tiarella 'Cutting Edge' PP29745 Foam Flower
- Tiarella 'Raspberry Sundae' Foam Flower
- Tiarella 'Spring Symphony' Foam Flower
- Tilia americana 'McKSentry' American Sentry® American Linden
- Tilia americana 'Redmond' American Linden
- Tilia cordata 'Baileyi' Shamrock® Little Leaf Linden
- Tilia cordata 'Corzam' Corinthian® Little Leaf Linden
- Tilia cordata 'Greenspire™' Little Leaf Linden
- Tilia cordata 'Halka' Summer Sprite® Little Leaf Linden
- Tilia mongolica 'Harvest Gold' Linden
- Tilia tomentosa 'PNI 6051' Green Mountain Silver Linden
- Tilia tomentosa 'Silver Lining' Silver Linden
- Tilia tomentosa 'Sterling' Silver Linden
- Tradescantia andersoniana 'Blue and Gold' Spiderwort
- Tradescantia x andersoniana 'Concorde Grape' Spiderwort
- Tradescantia zebrina Silver Inch Plant
- Trifolium repens '4 Luck® Coco Mint' Clover
- Trollius chinensis 'Golden Queen' Globeflower
- Trollius europaeus 'Superbus' Globeflower
- Trollius X cultorum 'Cheddar' Globeflower
- Trollius x cultorum 'New Moon' Globeflower