Canada's Plant Hardiness Site

Data have been entered for 7138 species.

(Last updated Wed Jan 14 11:46:39 EST 2015)
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Taenidia integerrima yellow pimpernel
Taenidia montana mountain pimpernel
Tamarix parviflora small-flowered tamarix
Tamarix ramosissima pink tamarisk
Tanacetum balsamita costmary
Tanacetum bipinnatum dwarf tansy
Tanacetum coccineum painted daisy
Tanacetum corymbosum scentless feverfew
Tanacetum huronense
Tanacetum parthenium common feverfew
Tanacetum vulgare golden buttons
Taraxacum carneocoloratum pink dandelion
Taraxacum ceratophorum horned dandelion
Taraxacum erythrospermum redseed dandelion
Taraxacum hyparcticum high arctic dandelion
Taraxacum latilobum largelobe dandelion
Taraxacum laurentianum Gulf of St. Lawrence dandelion
Taraxacum officinale common dandelion
Taraxacum palustre marsh dandelion
Taraxia breviflora
Tarenaya hassleriana spiderflower
Taxodium distichum swamp cypress
Taxodium distichum var. distichum deciduous cypress
Taxodium distichum var. imbricarium pondcypress
Taxus baccata English yew
Taxus brevifolia Pacific yew
Taxus canadensis Canada yew
Taxus cuspidata Japanese yew
Taxus Xmedia hybrid yew
Telekia speciosa heartleaf oxeye
Telesonix heucheriformis alumroot brookfoam
Tellima grandiflora fringe-cup
Tephroseris lindstroemii
Tephroseris palustris northern swamp groundsel
Tephrosia mohrii
Tephrosia virginiana
Tetradium daniellii Korean evodia
Tetradymia canescens
Tetraneuris herbacea lakeside daisy
Teucrium botrys cutleaf germander
Teucrium canadense Canada germander
Teucrium canadense subsp. canadense Canada germander
Teucrium canadense subsp. viscidium western wood sage
Teucrium chamaedrys wall germander
Thalia dealbata
Thalictrum alpinum alpine meadowrue
Thalictrum aquilegiifolium columbine meadowrue
Thalictrum confine northern meadowrue
Thalictrum dasycarpum purple meadowrue
Thalictrum delavayi Chinese meadowrue
Thalictrum dioicum quicksilver-weed
Thalictrum flavum lesser meadowrue
Thalictrum kiusianum dwarf meadowrue
Thalictrum pubescens tall meadowrue
Thalictrum revolutum skunk meadowrue
Thalictrum rochebruneanum giant meadowrue
Thalictrum sparsiflorum fewflower meadowrue
Thalictrum speciosissimum dusty meadowrue
Thalictrum thalictroides rue anemone
Thalictrum venulosum early meadowrue
Thaspium barbinode bearded meadow-parsnip
Thaspium trifoliatum smooth meadow-parsnip
Thaspium trifoliatum var. aureum purple meadow-parsnip
Thelypodium eucosmum
Thelypodium milleflorum
Thelypodium repandum
Thelypteris nevadensis Sierra marsh fern
Thelypteris noveboracensis New York fern
Thelypteris palustris marsh fern
Thelypteris palustris var. pubescens northern marsh fern
Thelypteris quelpaertensis queen's-veil maiden fern
Thelypteris simulata bog fern
Thermopsis fraxinifolia
Thermopsis lanceolata golden banner
Thermopsis mollis
Thermopsis montana
Thermopsis rhombifolia prairie golden banner
Thermopsis villosa Carolina bushpea
Thinopyrum intermedium subsp. intermedium intermediate quackgrass
Thinopyrum ponticum tall wheatgrass
Thladiantha dubia goldencreeper
Thlaspi arvense field pennycress
Thrinax morrisii Key thatch palm
Thrinax radiata Florida thatch palm
Thuja koraiensis Korean arborvitae
Thuja occidentalis northern white cedar
Thuja plicata plicate arborvitae
Thuja standishii Japanese arborvitae
Thujopsis dolabrata hiba arborvitae
Thymelaea passerina sparrow weed
Thymus praecox
Thymus praecox subsp. arcticus
Thymus pseudolanuginosus woolly thyme
Thymus pulegioides lemon thyme
Thymus serpyllum wild thyme
Thymus vulgaris English thyme
Thymus Xcitriodorus bush lemon thyme
Tiarella 'Spring Symphony' foamflower
Tiarella Hybrids - others not listed here hybrid foamflower
Tiarella cordifolia foamflower
Tiarella cordifolia var. cordifolia foamflower
Tiarella trifoliata western foamflower
Tiarella trifoliata var. laciniata cutleaf foamflower
Tiarella trifoliata var. unifoliata oneleaf foamflower
Tiarella wherryi foamflower
Tibouchina urvilleana glory bush
Tilia americana basswood
Tilia cordata littleleaf linden
Tilia europaea European linden
Tilia mongolica Magnolian lime
Tilia platyphyllos largeleaf linden
Tilia tomentosa silver linden
Tilia Xeuchlora Caucasian lime
Tilia Xflavescens Dropmore linden
Tilia Xvulgaris common lime
Tillandsia flexuosa twisted airplant
Tipularia discolor
Tofieldia coccinea northern tofieldia
Tofieldia pusilla false asphodel
Tolmiea menziesii youth-on-age
Tonestus lyallii Lyall’s goldenweed
Toona sinensis Chinese toon
Torilis japonica erect hedge-parsley
Torilis nodosa knotted hedge-parsley
Torreya californica California torreya
Torreyochloa pallida Torrey's false mannagrass
Torreyochloa pallida var. fernaldii Fernald's false mannagrass
Torreyochloa pallida var. pallida pale false mannagrass
Torreyochloa pallida var. pauciflora weak mannagrass
Townsendia aprica
Townsendia condensata
Townsendia exscapa
Townsendia hookeri
Townsendia parryi
Toxicodendron pubescens
Toxicodendron radicans posion ivy
Toxicodendron radicans var. radicans eastern poison ivy
Toxicodendron radicans var. rydbergii non-climbing poison ivy
Toxicodendron vernix swamp sumac
Toxicoscordion venenosum var. venenosus meadow death camas
Trachelospermum asiaticum Japanese star jasmine
Trachelospermum jasminoides star jasmine
Trachycarpus fortunei Chinese windmill palm
Trachycarpus takil Kumaon fan palm
Tradescantia bracteata longbract spiderwort
Tradescantia ohiensis Ohio spiderwort
Tradescantia ozarkana Ozark spiderwort
Tradescantia virginiana Virginia spiderwort
Tradescantia Xandersoniana Hybrids hybrid spiderwort
Tragopogon dubius yellow salsify
Tragopogon porrifolius vegetable oyster
Tragopogon pratensis Jack-go-to-bed-at-noon
Transberingia bursifolia subsp. virgata twiggy fissurewort
Trautvetteria caroliniensis false bugbane
Triadenum fraseri Fraser's marsh St. Johnswort
Triadenum tubulosum southern marsh St. Johnswort
Triadenum virginicum Virginia marsh St. Johnswort
Triadica sebifera Chinese tallow
Triantha glutinosa glutinous tofieldia
Triantha occidentalis subsp. brevistyla
Triantha occidentalis subsp. montana
Tribulus terrestris caltrops
Trichomanes boschianum
Trichomanes petersii
Trichophorum alpinum alpine cottongrass
Trichophorum cespitosum tufted clubrush
Trichophorum clintonii Clinton's clubrush
Trichophorum planifolium bashful clubrush
Trichophorum pumilum dwarf clubrush
Trichostema brachiatum fluxweed
Trichostema dichotomum
Trichostema oblongum
Trichostema setaceum
Tricyrtis formosana Formosa toad-lily
Tricyrtis hirta Japanese toad-lily
Tridens carolinianus
Tridens flavus purpletop
Trifolium arvense haresfoot clover
Trifolium aureum golden trefoil
Trifolium campestre low hop clover
Trifolium cyathiferum
Trifolium douglasii
Trifolium dubium small hop clover
Trifolium fragiferum
Trifolium hybridum hybrid clover
Trifolium incarnatum
Trifolium medium
Trifolium ornithopodioides
Trifolium pratense purple clover
Trifolium reflexum
Trifolium repens white clover
Trifolium repens 'Pentaphyllum' blackleaf clover
Trifolium resupinatum
Trifolium rubens red-flowered clover
Trifolium stoloniferum
Trifolium virginicum
Trifolium wormskioldii
Triglochin gaspensis Gaspé Peninsula arrowgrass
Triglochin maritima seaside arrowgrass
Triglochin palustris marsh arrowgrass
Trillium cernuum nodding trillium
Trillium discolor
Trillium erectum stinking Benjamin
Trillium flexipes bent trillium
Trillium foetidissimum
Trillium grandiflorum large-flowered trillium
Trillium lancifolium
Trillium luteum yellow trillium
Trillium nivale dwarf white trillium
Trillium ovatum western trillium
Trillium ovatum var. ovatum western trillium
Trillium pusillum
Trillium pusillum var. pusillum
Trillium pusillum var. virginianum
Trillium recurvatum
Trillium reliquum
Trillium sessile sessile trillium
Trillium undulatum painted wake-robin
Triodanis perfoliata claspingleaf Venus' looking-glass
Triosteum angustifolium narrowleaf horse-gentian
Triosteum aurantiacum wild coffee
Triosteum aurantiacum var. aurantiacum wild coffee
Triphora trianthophora threebirds orchid
Triplasis purpurea sandgrass
Tripleurospermum inodorum false mayweed
Tripleurospermum maritimum sea mayweed
Tripleurospermum maritimum subsp. phaeocephalum arctic chamomile
Tripterocalyx micranthus small-flowered sand-verbena
Tripterygium regelii regels threewingnut
Trisetum canescens tall false oats
Trisetum cernuum nodding false oats
Trisetum melicoides purple false oats
Trisetum sibiricum subsp. litorale Siberian oatgrass
Trisetum spicatum narrow false oats
Trisetum spicatum var. pilosiglume narrow false oats
Trisetum spicatum var. spicatum narrow false oats
Trisetum wolfii Wolf's trisetum
Triteleia grandiflora largeflower triteleia
Triteleia hendersonii Henderson's triteleia
Triteleia hyacinthina white triteleia
Triteleia laxa Ithuriel's spear
Triticum aestivum summer wheat
Trollius albiflorus western globeflower
Trollius chinensis Chinese globeflower
Trollius europaeus European globeflower
Trollius laxus
Trollius laxus subsp. laxus
Trollius pumilus dwarf globeflower
Trollius Xcultorum hybrid globeflower
Trollius yunnanensis Chinese globeflower
Tsuga canadensis black hemlock
Tsuga caroliniana Carolina hemlock
Tsuga diversifolia northern Japanese hemlock
Tsuga heterophylla Pacific hemlock
Tsuga mertensiana California hemlock spruce
Tulipa Hybrids - 01. Single Early Group Dutch tulip
Tulipa Hybrids - 02. Double Early Group Dutch tulip
Tulipa Hybrids - 03. Triumph Group Dutch tulip
Tulipa Hybrids - 04. Darwin Hybrid Group Dutch tulip
Tulipa Hybrids - 05. Single Late Group Dutch tulip
Tulipa Hybrids - 07. Fringed Group Dutch tulip
Tulipa Hybrids - 08. Viridiflora (green) Group Dutch tulip
Tulipa Hybrids - 09. Rembrandt Group Dutch tulip
Tulipa Hybrids - 10. Parrot Group Dutch tulip
Tulipa Hybrids - 11. Double Late Group Dutch tulip
Tulipa Hybrids - 14. Greigii Group Dutch tulip
Tulipa Hybrids - 15. Miscellaneous Dutch tulip
Tulipa batalinii species tulip
Tulipa clusiana candy-stick tulip
Tulipa linifolia species tulip
Tulipa praestans species tulip
Tulipa pulchella species tulip
Tulipa saxatilis (bakeri) species tulip
Tulipa tarada species tulip
Tulipa turkestanica species tulip
Turritis glabra tower rockcress
Tussilago farfara coughwort
Typha angustifolia narrowleaf cattail
Typha latifolia great reedmace (UK)
Typha Xglauca hybrid cattail