Canada's Plant Hardiness Site

Preliminary climatic range maps for 2800 species.

(Last updated Thu Jan 24 16:21:44 EST 2013)
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Sabatia angularis squarestem rose gentian
Sabatia campanulata
Sageretia minutiflora
Sagina nodosa knotty pearlwort
Sagina procumbens matted pearlwort
Sagittaria australis longbeak arrowhead
Sagittaria cuneata northern arrowhead
Sagittaria graminea grassleaf arrowhead
Sagittaria isoetiformis quillwort arrowhead
Sagittaria latifolia broadleaf arrowhead
Sagittaria montevidensis giant arrowhead
Sagittaria montevidensis subsp. spongiosa spongy arrowhead
Sagittaria rigida sessilefruit arrowhead
Sagittaria sanfordii valley arrowhead
Salicornia rubra red samphire
Salix alaxensis feltleaf willow
Salix alba white willow
Salix amygdaloides peachleaf willow
Salix arbusculoides littletree willow
Salix arctica tundra willow
Salix arctophila northern willow
Salix athabascensis littletree willow
Salix barclayi mountain willow
Salix bebbiana beaked willow
Salix brachycarpa smallfruit willow
Salix calcicola limestone willow
Salix candida sageleaf willow
Salix commutata undergreen willow
Salix cordata heartleaf willow
Salix discolor pussy willow
Salix drummondiana Drummond's willow
Salix eriocephala diamond willow
Salix exigua coyote willow
Salix fragilis crack willow
Salix geyeriana Geyer's willow
Salix glauca grayleaf willow
Salix hookeriana Hooker's willow
Salix humilis gray willow
Salix lanata woolly willow
Salix lasiandra Pacific willow
Salix lucida glossy willow
Salix maccalliana velvetfruit willow
Salix monticola mountain willow
Salix myricoides blueleaf willow
Salix myrtillifolia bilberry willow
Salix nigra swamp willow
Salix pedicellaris bog willow
Salix pellita thickleaf willow
Salix petiolaris slender willow
Salix planifolia flatleaf willow
Salix pseudomonticola false mountain willow
Salix purpurea purple willow
Salix pyrifolia pearleaf willow
Salix reticulata netleaf willow
Salix scouleriana mountain willow
Salix serissima autumn willow
Salix sitchensis Sitka willow
Salix tweedyi Tweedy's willow
Salix vestita rock willow
Salsola collina slender Russian thistle
Salsola tragus prickly Russian thistle
Salvia azurea azure blue sage
Sambucus canadensis common elderberry
Sambucus racemosa red elderberry
Samolus parviflorus seaside brookweed
Sanguinaria canadensis redroot
Sanguisorba canadensis Canadian burnet
Sanicula marilandica black snakeroot
Sanicula odorata odoriferous snakeroot
Sanicula trifoliata largefruit sanicle
Sapindus saponaria var. drummondii western soapberry
Saponaria officinalis bouncing bet
Sarracenia flava
Sarracenia leucophylla
Sarracenia minor
Sarracenia psittacina
Sarracenia purpurea huntsman's cup
Sarracenia rubra
Sassafras albidum white sassafras
Saururus cernuus lizard's tail
Saxifraga aizoides yellow mountain saxifrage
Saxifraga caroliniana
Saxifraga cernua nodding saxifrage
Saxifraga oppositifolia purple mountain saxifrage
Saxifraga paniculata encrusted saxifrage
Saxifraga rivularis alpine brook saxifrage
Saxifraga tricuspidata prickly saxifrage
Schedonorus pratensis meadow fescue
Scheuchzeria palustris marsh scheuchzeria
Schisandra glabra
Schizachne purpurascens purple melic grass
Schizachyrium scoparium little bluestem
Schoenolirion croceum yellow sunnybells
Schoenoplectus acutus hardstem bulrush
Schoenoplectus acutus var. acutus hardstem bulrush
Schoenoplectus etuberculatus
Schoenoplectus hallii
Schoenoplectus heterochaetus slender bulrush
Schoenoplectus pungens canemaker's rush
Schoenoplectus purshianus weakstalk clubrush
Schoenoplectus smithii Smith's clubrush
Schoenoplectus subterminalis water clubrush
Schoenoplectus tabernaemontani great bulrush
Schoenoplectus torreyi Torrey's threesquare bulrush
Schwalbea americana
Scirpus ancistrochaetus barbed bristle bulrush
Scirpus atrocinctus blackgirdled bulrush
Scirpus atrovirens darkgreen bulrush
Scirpus cyperinus woolgrass
Scirpus expansus woodland bulrush
Scirpus georgianus bristleless darkgreen bulrush
Scirpus hattorianus early darkgreen bulrush
Scirpus microcarpus redtinged bulrush
Scirpus pedicellatus pedicelled bulrush
Scirpus pendulus hanging bulrush
Scirpus polyphyllus
Scleria pauciflora papillose nutrush
Scleria reticularis
Scleria triglomerata whip nutrush
Scleria verticillata low nutrush
Sclerocactus glaucus Uinta Basin hookless cactus
Sclerocactus papyracanthus paper-spined cactus
Sclerocactus wrightiae Wright's cactus
Scrophularia lanceolata American figwort
Scrophularia marilandica Maryland figwort
Scutellaria galericulata common scullcap
Scutellaria integrifolia
Scutellaria lateriflora blue skullcap
Scutellaria montana
Scutellaria nervosa
Scutellaria parvula small skullcap
Scutellaria parvula var. missouriensis Leonard's skullcap
Scutellaria parvula var. parvula small skullcap
Scutellaria saxatilis
Secale cereale rye
Securigera varia axseed
Sedum acre mossy stonecrop
Sedum pusillum
Sedum ternatum wood stonecrop
Selaginella densa prairie spikemoss
Selaginella eclipes hidden spikemoss
Selaginella rupestris rock spikemoss
Selaginella selaginoides low spikemoss
Senecio viscosus sticky ragwort
Senecio vulgaris common ragwort
Senna hebecarpa American senna
Sequoia sempervirens coastal redwood
Sericocarpus linifolius
Sericocarpus rigidus Columbia whitetop aster
Setaria italica Hungarian millet
Setaria viridis green bristle grass
Shepherdia argentea silver buffaloberry
Shepherdia canadensis soapberry
Sibbaldia tridentata threetoothed cinquefoil
Sicyos angulatus angled bur-cucumber
Sida hermaphrodita
Sidalcea nelsoniana
Silene acaulis moss campion
Silene antirrhina sleepy catchfly
Silene nivea
Silene noctiflora night-flowering catchfly
Silene ovata
Silene regia royal catchfly
Silene scaposa var. scaposa
Silene spaldingii
Silene stellata
Silene subciliata
Silene virginica fire pink
Silene vulgaris maiden's tears
Silphium brachiatum
Silphium integrifolium rosin weed
Silphium laciniatum compass plant
Silphium perfoliatum cup plant
Silphium terebinthinaceum prairie dock
Sisymbrium altissimum tall sisymbrium
Sisymbrium officinale hedge mustard
Sisyrinchium angustifolium eastern blue-eyed grass
Sisyrinchium atlanticum strict blue-eyed grass
Sisyrinchium campestre prairie blue-eyed grass
Sisyrinchium montanum common blue-eyed grass
Sisyrinchium montanum var. crebrum common blue-eyed grass
Sisyrinchium mucronatum eastern blue-eyed grass
Sisyrinchium pallidum pale blue-eyed grass
Sisyrinchium septentrionale northern blue-eyed grass
Sium suave hemlock water parsnip
Smallanthus uvedalius
Smilax ecirrhata greenbrier
Smilax herbacea herbaceous carrion flower
Smilax lasioneura hairy carrion flower
Smilax tamnoides China root
Solanum dulcamara climbing nightshade
Solidago altissima tall goldenrod
Solidago arguta var. harrisii
Solidago bicolor white goldenrod
Solidago caesia bluestem goldenrod
Solidago canadensis Canada goldenrod
Solidago canadensis var. canadensis Canada goldenrod
Solidago flexicaulis broadleaf goldenrod
Solidago gigantea giant goldenrod
Solidago hispida hairy goldenrod
Solidago houghtonii Houghton's goldenrod
Solidago juncea smooth goldenrod
Solidago latissimifolia
Solidago macrophylla largeleaf goldenrod
Solidago missouriensis prairie goldenrod
Solidago multiradiata northern goldenrod
Solidago nemoralis gray-stemmed goldenrod
Solidago ohioensis Ohio goldenrod
Solidago ptarmicoides upland white goldenrod
Solidago riddellii Riddell's goldenrod
Solidago rigida stiff goldenrod
Solidago rigida subsp. rigida stiff goldenrod
Solidago rugosa wrinkle-leaf goldenrod
Solidago sciaphila cliff goldenrod
Solidago sempervirens evergreen goldenrod
Solidago simplex Mt.Albert goldenrod
Solidago simplex subsp. randii var. gillmanii dune goldenrod
Solidago speciosa showy goldenrod
Solidago squarrosa bracted goldenrod
Solidago uliginosa bog goldenrod
Solidago verna
Sonchus arvensis field sowthistle
Sonchus asper rough sowthistle
Sonchus oleraceus milk thistle
Sorbus americana dogberry
Sorbus aucuparia rowan
Sorbus decora showy mountainash
Sorbus scopulina Greene's mountain ash
Sorbus sitchensis Sitka mountain ash
Sorghastrum nutans Indian grass
Sorghum bicolor sorghum
Sparganium americanum American burreed
Sparganium androcladum branching burreed
Sparganium angustifolium narrowleaf burreed
Sparganium emersum unbranched burreed
Sparganium eurycarpum giant burreed
Sparganium fluctuans floating burreed
Sparganium glomeratum clustered burreed
Sparganium natans least burreed
Spartina gracilis alkali cordgrass
Spartina patens saltmeadow cordgrass
Spartina pectinata freshwater cordgrass
Spergula arvensis corn spurry
Spergularia canadensis Canada sandspurry
Speyeria idalia regal fritillary
Sphenopholis intermedia slender wedgegrass
Sphenopholis pensylvanica
Spigelia marilandica Indian pink
Spiraea alba narrowleaf meadowsweet
Spiraea alba var. latifolia northern meadowsweet
Spiraea betulifolia
Spiraea betulifolia var. aemiliana birchleaf spirea
Spiraea densiflora mountain spirea
Spiraea douglasii western pink spiraea
Spiraea tomentosa steeplebush
Spiraea virginiana
Spiranthes cernua nodding ladiestresses
Spiranthes diluvialis Ute ladiestresses
Spiranthes lacera northern slender ladies-tresses
Spiranthes lucida shining ladiestresses
Spiranthes magnicamporum prairie ladiestresses
Spiranthes ochroleuca yellow nodding ladies-tresses
Spiranthes ovalis oval ladiestresses
Spiranthes ovalis var. erostellata oval ladiestresses
Spiranthes romanzoffiana hooded ladiestresses
Spiranthes vernalis
Spirodela polyrhiza great duckweed
Sporobolus airoides alkali sacaton
Sporobolus compositus var. compositus rough dropseed
Sporobolus cryptandrus sand dropseed
Sporobolus heterolepis shortscaled dropseed
Sporobolus neglectus puffsheath dropseed
Sporobolus vaginiflorus poverty dropseed
Stachys palustris marsh hedgenettle
Stachys pilosa hairy hedgenettle
Staphylea trifolia American bladdernut
Stellaria borealis northern stitchwort
Stellaria crassifolia fleshy starwort
Stellaria fontinalis American water starwort
Stellaria graminea grassleaf starwort
Stellaria humifusa saltmarsh starwort
Stellaria longifolia longleaf stitchwort
Stellaria longipes longstalk starwort
Stellaria media chickweed starwort
Stenanthium gramineum
Stewartia malacodendron silky camellia
Stewartia ovata mountain stewartia
Streptopus amplexifolius claspingleaf twistedstalk
Streptopus lanceolatus rose twistedstalk
Streptopus streptopoides small twistedstalk
Strophostyles leiosperma
Stuckenia filiformis threadleaf pondweed
Stuckenia filiformis subsp. alpina red pondweed
Stuckenia pectinata fennel-leaf pondweed
Stylisma pickeringii var. pickeringii
Stylophorum diphyllum celandine poppy
Styrax americanus mock-orange
Suaeda calceoliformis horned seablite
Suaeda maritima annual seablite
Subularia aquatica water awlwort
Sullivantia sullivantii
Symphoricarpos albus waxberry
Symphoricarpos occidentalis wolfberry
Symphoricarpos orbiculatus coralberry
Symphyotrichum boreale northern bog aster
Symphyotrichum ciliatum rayless alkali aster
Symphyotrichum ciliolatum Lindley's aster
Symphyotrichum concolor
Symphyotrichum cordifolium heartleaf aster
Symphyotrichum dumosum rice button aster
Symphyotrichum ericoides heath aster
Symphyotrichum ericoides var. ericoides heath aster
Symphyotrichum georgianum
Symphyotrichum jessicae
Symphyotrichum laeve glaucous aster
Symphyotrichum laeve var. laeve glaucous aster
Symphyotrichum lanceolatum tall white aster
Symphyotrichum lateriflorum calico aster
Symphyotrichum lateriflorum var. angustifolium starved aster
Symphyotrichum lateriflorum var. lateriflorum calico aster
Symphyotrichum lentum
Symphyotrichum novae-angliae New England aster
Symphyotrichum novi-belgii New York aster
Symphyotrichum oolentangiense azure aster
Symphyotrichum puniceum swamp aster
Symphyotrichum puniceum var. puniceum swamp aster
Symphyotrichum sericeum western silvery aster
Symphyotrichum turbinellum prairie aster
Symplocarpus foetidus eastern skunk cabbage
Symplocos tinctoria common sweetleaf
Syringa vulgaris French hybrid lilac