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

Hackelia deflexa var. americana nodding stickseed
Hackelia virginiana Virginia stickseed
Halenia deflexa spurred gentian
Halerpestes cymbalaria alkali buttercup
Halesia carolina little silverbell
Hamamelis virginiana American witchhazel
Hartwrightia floridana
Hasteola suaveolens
Hedeoma hispida mock pennyroyal
Hedeoma pulegioides pudding-grass
Hedysarum alpinum liquorice root
Hedysarum boreale boreal sweetvetch
Hedysarum boreale subsp. mackenzii Mackenzie's sweetvetch
Helanthium tenellum pygmy chainswort
Helenium autumnale common sneezeweed
Helenium flexuosum nakedflower sneezeweed
Helenium virginicum
Helianthemum canadense longbranched frostweed
Helianthus angustifolius narrowleaf sunflower
Helianthus annuus common sunflower
Helianthus decapetalus ten-rayed sunflower
Helianthus divaricatus woodland sunflower
Helianthus eggertii
Helianthus giganteus giant sunflower
Helianthus hirsutus hairy sunflower
Helianthus laevigatus
Helianthus mollis ashy sunflower
Helianthus occidentalis fewleaf sunflower
Helianthus schweinitzii
Helianthus strumosus paleleaf sunflower
Helianthus tuberosus Jerusalem artichoke
Heliopsis helianthoides false sunflower
Heliotropium curassavicum salt heliotrope
Helonias bullata
Hemerocallis fulva tawny daylily
Heracleum mantegazzianum giant hogweed
Heracleum maximum masterwort
Hesperia dacotae Dakota skipper
Hesperis matronalis mother-of-the-evening
Hesperostipa spartea porcupinegrass
Heteranthera dubia water stargrass
Heterotheca villosa hairy goldenaster
Heuchera cylindrica roundleaf alumroot
Heuchera richardsonii Richardson's alumroot
Hexalectris spicata
Hexastylis naniflora dwarf-flower heartleaf
Hibiscus lasiocarpos hairy rosemallow
Hibiscus moscheutos swamp rosemallow
Hibiscus trionum flower-of-an-hour
Hieracium bolanderi
Hieracium caespitosum field hawkweed
Hieracium longipilum hairy hawkweed
Hieracium scabrum rough hawkweed
Hieracium umbellatum umbellate hawkweed
Hippuris vulgaris common mare's tail
Holodiscus discolor creambush
Hordeum jubatum squirreltail barley
Hottonia inflata
Houstonia caerulea azure bluets
Houstonia canadensis fringed houstonia
Houstonia longifolia longleaf bluet
Houstonia ouachitana
Howellia aquatilis water howellia
Hudsonia tomentosa woolly heather
Humulus lupulus common hops
Huperzia appressa Appalachian firmoss
Huperzia lucidula shining firmoss
Huperzia occidentalis western firmoss
Huperzia selago northern firmoss
Huperzia Xprotoporophila rock firmoss
Hybanthus concolor eastern green violet
Hydrangea arborescens tree hydrangea
Hydrastis canadensis goldenseal
Hydrocotyle americana American marsh pennywort
Hydrocotyle ranunculoides floating marsh pennywort
Hydrophyllum canadense broadleaf waterleaf
Hydrophyllum macrophyllum
Hydrophyllum virginianum Virginia waterleaf
Hylocomium splendens stairstep moss
Hylotelephium telephium orpine
Hymenocallis coronaria Carolina spiderlily
Hypericum adpressum creeping St. Johnswort
Hypericum ascyron great St. Johnswort
Hypericum canadense Canada St. Johnswort
Hypericum ellipticum ellipticleaf St. Johnswort
Hypericum kalmianum Kalm's St. Johnwort
Hypericum majus greater St. Johnswort
Hypericum mutilum dwarf St. John's-wort
Hypericum mutilum subsp. boreale northern St. Johnswort
Hypericum perforatum Klamathweed
Hypericum prolificum shrubby St. Johnswort
Hypericum punctatum spotted St. Johnswort
Hypoxis hirsuta eastern yellow stargrass