Plants
- Tabacco PlantNicotiana sylvestris
- Tabacco Plant 'Lime Green'Nicotiana alata 'Lime Green'
- Tagetes 'Lemon Gem'Tagetes 'Lemon Gem'
- Tagetes 'Tangerine Gem'Tagetes 'Tangerine Gem'
- Tagetes patula 'Harlequin'Tagetes patula 'Harlequin'
- Tagetes patula nanaTagetes patula nana
- Tagetes VanillaTagetes Vanilla
- Tall Marsh OrchidDactylorhiza elata
- Tamarack, LarchLarix laracina
- TamarilloSolanum betaceum
- TamarixTamarix tetrandra
- TampalaAmaranthus tricolor
- Tanacetum coccineum 'Robinson's Rose'Tanacetum coccineum 'Robinson's Rose'
- Tanacetum coccineum 'Robinson's Red'Tanacetum coccineum 'Robinson's Red'
- Tanacetum Vulgare 'Golden Fleece'Tanacetum Vulgare 'Golden Fleece'
- TangeloCitrus × tangelo
- Tangerine
- Tansy Tanacetum vulgare
- TansyTanacetum vulgare var. crispum
- Tansy 'Jackpot'Tanacetum niveum 'Jackpot'
- Tansy-leaved ThornCrataegus tanacetifolia
- Taro, Dasheen. 'Black Magic'Colocasia esculenta 'Black Magic'
- Tarragon Artemisia dracunculus
- Tartan Euphorbia, Gingham golf ballEuphorbia obesa
- TarwaiLupinus mutabilis
- Tassel Cord-rushBaloskion tetraphyllum
- Tassel grape hyacinthMuscari comosum
- TayberryRubus fruticosus x idaeus,
- Teacamellia sinensis
- TelekiaTelekia speciosa
- Temple JuniperJuniperus rigida
- TEMPO RoseGeum, Avens
- Tetrapanax Fatsia JaponicaTetrapanax Fatsia Japonica
- Tetrapanax Steroidal GiantTetrapanax Steroidal Giant
- Teucrium lucidrysTeucrium lucidrys