Plant Growing Guides

Tagetes (Marigold)

Tagetes spp.

Tall, Shade-Casting Plants

Multiple species

Tangerine Gem

Tagetes tenuifolia

Tangerine Jewel Nasturtium

Tropaeolum majus 'Tangerine Jewel'

Tatarian Dogwood

Cornus alba

Tatarian Dogwood Variegata

Cornus alba 'Variegata'

Tat Sai

Brassica rapa subsp. narinosa

Techny Arborvitae

Thuja occidentalis 'Techny'

Techny Blue Juniper

Juniperus scopulorum 'Techny Blue'

Techny Blue Spruce

Picea pungens 'Techny'

Techny Emerald Arborvitae

Thuja occidentalis 'Techny'

Techny Green Arborvitae

Thuja occidentalis 'Techny'

Techny's Emerald Arborvitae

Thuja occidentalis 'Techny's Emerald'

Techny's Emerald Arborvitae

Thuja occidentalis 'Techny'

Teddy Bear Spruce

Picea mariana 'Teddy Bear'

Tendergreen Mustard

Brassica juncea

Terrarium Moss

Bryophyta (Division)

Thérèse Bugnet Rose

Rosa 'Thérèse Bugnet'

Thérèse Bugnet

Rosa 'Thérèse Bugnet'

Threeway Sedge

Dulichium arundinaceum

DeGroot's Arborvitae

Thuja occidentalis 'DeGroot's Spire'

Thunderchild Crabapple

Malus 'Thunderchild'

Tiny Tim Arborvitae

Thuja occidentalis 'Tiny Tim'

Tissue-cultured stem plants

Varies by species

Tissue Culture Plants

Various species (propagated via micropropagation)

Trailing Juniper

Juniperus horizontalis

Shade-Tolerant Understory Plants (General Category)

Various species

Trembling Aspen

Populus tremuloides

Tricolor (Amaranthus)

Amaranthus tricolor

Trillium

Trillium species

True Gold

Tagetes tenuifolia 'True Gold'

Tundra Rose

Rosa acicularis

Turf Grass

Poaceae (family); species vary by type

Turnip Greens

Brassica rapa subsp. rapa

Turnip Greens 'All Top'

Brassica rapa subsp. rapa

Turnip Hakurei

Brassica rapa subsp. rapa

Turnip 'Seven Top'

Brassica rapa subsp. rapa

Turnip Tokyo Cross

Brassica rapa subsp. rapa

Tussock Sedge

Carex stricta

Twinflower

Linnaea borealis