Plants
- Tradescantia 'Little Doll'Tradescantia Andersoniana Group 'Little Doll'
- Trandafir teahybrid 'Mt. Shasta'Rosa
- Tree HeathErica arborea
- Tree Mallow 'Variegata'Lavatera arborea 'Variegata'
- Tree Paeonia 'Kokuryu-nishiki'Japanese tree peony
- Tree peony 'Superb' Moutan,Paeonia suffruticosa Superb
- Trefoil CressCardamine trifolia
- Trillium (pale yellow form)Trillium chloropetalum (pale yellow form)
- Trinity flowerTrillium luteum
- TropaeolumTropaeolum polyphyllum
- Tropaeolum tricolorTropaeolum tricolor
- Tuberous PeaLathyrus tuberosus
- TulbaghiaTulbaghia acutiloba
- Tulip Double early 'Orange Nassau'Tulipa 'Orange Nassau'
- Tulip fringed 'Canova'Tulipa 'Canova'
- Tulip hageri 'Little Beauty'Tulipa hageri 'Little Beauty'
- Tulipa AgenensisTulipa Agenensis
- Tupelo, Black gum.Nyssa sylvatica
- Tussock grassDeschampsia cespitosa Goldtau
- TutsanHypericum androsaemum
- Ulmus hollandica 'Wredei'Ulmus hollandica 'Wredei'
- Unbranched Bur-reedSparganium emersum
- Vaccinium nummularia Vaccinium nummularia
- VandaVanda Rothschildiana
- Velvet Groundsel, Californian GeraniumRoldana petasitis syn. Senecio petasitis
- Veronica 'Heidekind', Spiked speedwellVeronica spicata 'Heidekind'
- Veronicastrum verginicumVeronicastrum verginicum
- Veronicastrum virginicum 'Roseum'Veronicastrum virginicum 'Roseum'
- Veronicastrum virginicum dianaVeronicastrum virginicum diana
- Viburnum hillieri 'Winton'Viburnum hillieri 'Winton'
- Viburnum Tinus
- vigna radiatavigna radiata
- Vine 'Brant'Vitis 'Brant'
- Vine 'Dorblot Darkaja'Vitis 'Dorblot Darkaja'
- Vine 'Pizzutello Bianco'Vitis 'Pizzutello Bianco'