Pseudotsuga

Pseudotsuga menziesii 'Elt' (Elt Douglas-fir)
Pseudotsuga wilsoniana (Taiwan Douglas-fir)

Sciadopitys

Sciadopitys verticillata (Japanese Umbrella Pine)
Sciadopitys verticillata 'Gruene Kugel' (Gruene Kugel Japanese Umbrella Pine)
Sciadopitys verticillata 'Joe Kozey' (Joe Kozey Japanese Umbrella Pine)

Sequoiadendron

Sequoiadendron giganteum (Sierra Redwood )
Sequoiadendron giganteum 'French Beauty' (French Beauty Giant Redwood)
Sequoiadendron giganteum 'Pendulum' (Weeping Sierra Redwood )
Sequoiadendron giganteum 'Von Martin' (Von Martin Sierra Redwood)

Taiwania

Taiwania cryptomerioides (Formosan Redwood )

Taxodium

Taxodium distichum (Baldcypress )
Taxodium distichum 'Cascade Falls' (Cascade Falls Baldcypress )
Taxodium distichum Green Whisper® (Green Whisper Baldcypress)
Taxodium distichum Lindsey's Skyward™ (Lindsey's Skyward Baldcypress )
Taxodium distichum 'Peve Minaret' (Peve Minaret Baldcypress )
Taxodium distichum 'Peve Yellow' (Peve Yellow Baldcypress)
Taxodium distichum var. imbricarium (Pondcypress )

Taxus

Taxus baccata (English Yew)
Taxus baccata 'Fastigiata' (Irish Yew)
Taxus baccata 'Standishii' (Standish Yew)
Taxus cuspidata (Japanese Yew)

Thuja

Thuja occidentalis (Eastern Arborvitae )
Thuja orientalis (Chinese Arborvitae)
Thuja plicata 'Atrovirens' (Atrovirens Western Red Cedar)

Thujopsis

Thujopsis dolabrata (Elkhorn Cedar )
Thujopsis dolabrata 'Variegata' (Variegated Hibi Arborvitae)

Torreya

Torreya californica (California-nutmeg)

Tsuga

Tsuga canadensis (Canadian Hemlock )
Tsuga canadensis 'Albospica' (White Tipped Canadian Hemlock )
Tsuga canadensis 'Summer Snow' (Summer Snow Hemlock )
Tsuga diversifolia (Northern Japanese Hemlock)

Widdringtonia

Widdringtonia nodiflora (Berg Cypress )
Widdringtonia schwarzii (Willowmore Cedar)

Wollemia

Wollemia nobilis (Wollemi Pine)