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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Iberis amara
Iberis sempervirens evergreen candytuft
Iberis umbellata globe candytuft
Idahoa scapigera scalepod
Idesia polycarpa wonder tree
Ilex amelanchier sarvis holly
Ilex aquifolium English holly
Ilex cassine dahoon
Ilex coriacea large gallberry
Ilex crenata boxlef holly
Ilex decidua deciduous holly
Ilex glabra inkberry
Ilex laevigata smooth winterberry
Ilex longipes Georgia holly
Ilex montana southern mountain holly
Ilex mucronata catberry
Ilex myrtifolia myrtle dahoon
Ilex opaca white holly
Ilex pedunculosa longstalk holly
Ilex rugosa tsuru holly
Ilex serrata Japanese winterberry
Ilex verticillata black alder
Ilex vomitoria yaupon
Ilex Xmeserveae Meserve hybrid holly
Iliamna latibracteata California globemallow
Iliamna longisepala long-sepal globemallow
Iliamna rivularis streambank globemallow
Iliamna rivularis var. rivularis streambank globemallow
Illicium floridanum Florida anisetree
Illicium parviflorum yellow anisetree
Impatiens aurella pale yellow jewelweed
Impatiens capensis spotted jewelweed
Impatiens glandulifera Himalayan balsam
Impatiens pallida yellow touch-me-not
Impatiens parviflora smallflower touch-me-not
Impatiens walleriana patient Lucy
Imperata cylindrica Japanese blood grass
Incarvillea delavayi garden gloxinia
Indigofera amblyantha Chinese indigo
Indigofera heterantha Himalayan indigo
Indigofera kirilowii Kirilow's indigo
Inula ensifolia swordleaf inula
Inula helenium elecampane
Ionactis linariifolia flaxleaf aster
Ipomoea hederacea ivy-leaved morning glory
Ipomoea lacunosa white morning glory
Ipomoea pandurata big-root morning glory
Ipomoea purpurea common morning glory
Ipomopsis aggregata scarlet skyrocket
Ipomopsis aggregata subsp. aggregata scarlet skyrocket
Ipomopsis minutiflora smallflower skyrocket
Ipomopsis rubra red standing cypress
Iris Bearded - Border border bearded iris
Iris Bearded - Intermediate intermediate bearded iris
Iris Bearded - Miniature Dwarf miniature dwarf bearded iris
Iris Bearded - Tall tall bearded iris
Iris Dutch Iris (Xiphium Hybrids) Dutch iris
Iris Louisiana Hybrids Louisiana Iris
Iris Pacific Coast Hybrids Pacific coast iris
Iris brevicaulis shortstem iris
Iris cristata dwarf crested iris
Iris danfordiae yellow spring iris
Iris ensata Japanese iris
Iris foetidissima gladwyn iris
Iris fulva
Iris hookeri beachhead iris
Iris lacustris dwarf lake iris
Iris laevigata water iris
Iris missouriensis rocky mountain iris
Iris pallida sweet iris
Iris prismatica slender blue iris
Iris pseudacorus yellow flag
Iris pumila dwarf iris
Iris reticulata dwarf spring iris
Iris setosa arctic iris
Iris sibirica Siberian iris
Iris unguicularis Algerian Winter Iris
Iris verna
Iris versicolor blue flag
Iris virginica Southern blue flag
Iris Xgermanica bearded iris
Isatis tinctoria dyer's woad
Isotria medeoloides green fiveleaf orchid
Isotria verticillata purple fiveleaf orchid
Itea virginica Virginia sweetspire
Iva axillaris povertyweed
Iva frutescens bigleaf marsh-elder
Iva hayesiana San Diego marsh elder
Ivesia sericoleuca