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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Laburnum alpinum alpine goldenchain
Laburnum anagyroides goldenchain tree
Laburnum Xwatereri goldenchain tree
Lachnocaulon digynum
Lactuca biennis tall blue lettuce
Lactuca canadensis Canada wild lettuce
Lactuca floridana woodland lettuce
Lactuca hirsuta hairy lettuce
Lactuca ludoviciana western lettuce
Lactuca saligna willowleaf lettuce
Lactuca sativa cultivated lettuce
Lactuca serriola prickly lettuce
Ladeania lanceolata
Lagerstroemia indica common crapemyrtle
Lamiastrum galeobdolon yellow archangel
Lamium album snowflake
Lamium amplexicaule henbit deadnettle
Lamium maculatum spotted henbit
Lamium purpureum purple deadnettle
Lamprocapnos spectabilis bleeding heart
Laportea canadensis Canada nettle
Lappula occidentalis var. cupulata cupped stickseed
Lappula squarrosa bluebur
Lapsana communis common nipplewort
Larix decidua European larch
Larix gmelinii Dahurian larch
Larix gmelinii var. japonica Kurile larch
Larix kaempferi red larch
Larix laricina hackmatack
Larix lyallii subalpine larch
Larix occidentalis western tamarack
Larix sibirica Altaian larch
Lasthenia glaberrima rayless goldfields
Lasthenia glabrata subsp. coulteri
Lathyrus bijugatus
Lathyrus holochlorus
Lathyrus japonicus beach pea
Lathyrus jepsonii subsp. jepsonii
Lathyrus latifolius everlasting pea
Lathyrus nevadensis
Lathyrus ochroleucus yellow vetchling
Lathyrus odoratus sweet pea
Lathyrus palustris marsh vetchling
Lathyrus pratensis yellow peavine
Lathyrus sylvestris flat peavine
Lathyrus tuberosus
Lathyrus venosus purple vetchling
Lathyrus vernus spring pea
Lavandula angustifolia English lavender
Lavandula dentata French lavender
Lavandula stoechas Spanish lavender
Lavatera thuringiaca gay mallow
Lavatera Xclementii hybrid tree mallow
Layia heterotricha
Leavenworthia alabamica
Leavenworthia alabamica var. alabamica
Leavenworthia crassa
Leavenworthia uniflora
Lechea cernua nodding pinweed
Lechea intermedia largepod pinweed
Lechea intermedia var. intermedia largepod pinweed
Lechea maritima beach pinweed
Lechea minor
Lechea mucronata hairy pinweed
Lechea pulchella Leggett's pinweed
Lechea stricta
Lechea tenuifolia narrowleaf pinweed
Leersia oryzoides rice cutgrass
Leersia virginica whitegrass
Legenere limosa false Venus' looking-glass
Leitneria floridana Florida corkwood
Lemna gibba swollen duckweed
Lemna minor small duckweed
Lemna perpusilla minute duckweed
Lemna trisulca star duckweed
Lemna turionifera turion duckweed
Leontodon autumnalis autumn hawkbit
Leontodon saxatilis subsp. saxatilis hairy hawkbit
Leontopodium alpinum edelweiss
Leonurus cardiaca common motherwort
Lepidium campestre cow cress
Lepidium chalepense lens-pod hoarycress
Lepidium coronopus greater swinecress
Lepidium davisii
Lepidium densiflorum common peppergrass
Lepidium didymum lesser swinecress
Lepidium oxycarpum forked peppergrass
Lepidium papilliferum
Lepidium perfoliatum clasping pepperweed
Lepidium ramosissimum branched peppergrass
Lepidium ruderale
Lepidium sativum golden peppergrass
Lepidium virginicum wild peppergrass
Lepidium virginicum var. menziesii tall peppergrass
Leptarrhena pyrolifolia leatherleaf saxifrage
Leptochloa fusca subsp. fascicularis bearded sprangletop
Lespedeza bicolor shrub bushclover
Lespedeza capitata roundhead bush clover
Lespedeza hirta
Lespedeza hirta subsp. hirta hairy bush-clover
Lespedeza intermedia
Lespedeza juncea var. sericea silky bush-clover
Lespedeza leptostachya
Lespedeza procumbens
Lespedeza thunbergii Japanese bush clover
Lespedeza violacea
Lespedeza virginica slender bush clover
Lespedeza Xnuttallii
Leucanthemella serotina giant daisy
Leucanthemum vulgare oxeye daisy
Leucanthemum Xsuperbum shasta daisy
Leucojum aestivum summer snowflake
Leucophysalis grandiflora large white-flowered groundcherry
Leucospora multifida cutleaf conobea
Leucothoë fontanesiana mountain doghobble
Levisticum officinale old English lovage
Lewisia columbiana Columbia lewisia
Lewisia columbiana var. columbiana Columbia bitterroot
Lewisia columbiana var. rupicola rosy lewisia
Lewisia cotyledon pink cliffmaids
Lewisia pygmaea alpine lewisia
Lewisia rediviva Oregon bitterroot
Lewisia triphylla threeleaf lewisia
Leymus arenarius sea lymegrass
Leymus cinereus Great Basin wildrye
Leymus innovatus downy ryegrass
Leymus innovatus subsp. velutinus northwestern wildrye
Leymus mollis sea lymegrass
Leymus mollis subsp. mollis strand wheat
Leymus triticoides beardless wildrye
Liatris aspera rough blazing star
Liatris cylindracea slender blazing-star
Liatris ligulistylis meadow blazing-star
Liatris microcephala dwarf blazingstar
Liatris ohlingerae
Liatris pilosa
Liatris provincialis Godfrey's blazing star
Liatris punctata dotted blazing-star
Liatris punctata var. punctata dotted blazing-star
Liatris pycnostachya prairie blazing-star
Liatris scariosa eastern blazing star
Liatris scariosa var. nieuwlandii savanna blazing star
Liatris scariosa var. novae-angliae New England blazing star
Liatris spicata dense blazing-star
Liatris spicata var. spicata dense blazing-star
Liatris squarrosa scaly blazing star
Liatris Xgladewitzii Gladewitz’s blazing-star
Licaria triandra pepperleaf sweetwood
Ligularia dentata bigleaf goldenray
Ligularia stenocephala narrowspike ligularia
Ligusticum calderi Calder's licorice-root
Ligusticum canbyi Canby's wild lovage
Ligusticum grayi
Ligusticum scoticum Scots lovage
Ligusticum scoticum subsp. scoticum sea lovage
Ligustrum obtusifolium border privet
Ligustrum obtusifolium subsp. suave Amur Privet
Ligustrum sinense Chinese privet
Ligustrum vulgare common privet
Ligustrum Xibolium ibolium privet
Ligustrum Xvicaryi golden vicary privet
Lilaea scilloides awlleaf lilaea
Lilaeopsis carolinensis
Lilaeopsis chinensis eastern grasswort
Lilaeopsis masonii mudflat quillplant
Lilium Asiatic Hybrids Asiatic lily
Lilium Oriental Hybrids Oriental lily
Lilium Trumpet (Aurelian) hybrids trumpet lily
Lilium canadense Canada lily
Lilium canadense subsp. canadense
Lilium candidum madonna lily
Lilium columbianum Columbia lily
Lilium formosanum Formosa lily
Lilium grayi
Lilium henryi Henry's turk's cap lily
Lilium iridollae
Lilium lancifolium tiger lily
Lilium longiflorum easter lily
Lilium maritimum
Lilium martagon Turk's-cap
Lilium michiganense Michigan lily
Lilium parryi
Lilium philadelphicum wood lily
Lilium regale regal lily
Lilium superbum American Turk's-cap lily
Limnanthes alba subsp. gracilis
Limonium carolinianum sea lavender
Limonium platyphyllum German statice
Limosella acaulis Owyhee mudwort
Limosella aquatica northern mudwort
Limosella australis
Linanthus pungens prickly phlox
Linanthus septentrionalis northern linanthus
Linaria dalmatica Dalmatian toadflax
Linaria genistifolia broomleaf toadflax
Linaria purpurea purple toadflax
Linaria repens striped toadflax
Linaria vulgaris butter and eggs
Lindera benzoin northern spicebush
Lindera melissifolia
Lindera obtusiloba Japanese spicebush
Lindera subcoriacea
Lindernia dubia yellowseed false pimpernel
Linnaea borealis twinflower
Linnaea borealis subsp. longiflora twinflower
Linum catharticum dwarf flax
Linum flavum golden flax
Linum intercursum sandplain flax
Linum lewisii wild blue flax
Linum lewisii subsp. lepagei Lepage's flax
Linum medium stiff yellow flax
Linum medium var. medium stiff yellow flax
Linum medium var. texanum Texas stiff yellow flax
Linum perenne perennial flax
Linum striatum ridged yellow flax
Linum sulcatum grooved yellow flax
Linum usitatissimum common flax
Linum virginianum woodland flax
Liparis liliifolia lilyleaf twayblade
Liparis loeselii Loesel's twayblade
Lipocarpha micrantha small-flower lipocarpha
Liquidambar formosana Formosan sweetgum
Liquidambar styraciflua sweetgum
Liriodendron tulipifera tulip tree
Liriope muscari big blue lilyturf
Liriope spicata creeping lily-turf
Listera auriculata auricled twayblade
Listera australis southern twayblade
Listera borealis northern twayblade
Listera caurina northwestern twayblade
Listera convallarioides broadleaf twayblade
Listera cordata heartleaf twayblade
Listera cordata var. cordata heartleaf twayblade
Listera smallii
Lithodora diffusa scrambling gromwell
Lithophragma glabrum smooth woodlandstar
Lithophragma parviflorum smallflower woodlandstar
Lithophragma tenellum slender woodlandstar
Lithospermum canescens hoary puccoon
Lithospermum caroliniense plains puccoon
Lithospermum caroliniense var. croceum plains puccoon
Lithospermum incisum fringed gromwell
Lithospermum latifolium broadleaf gromwell
Lithospermum officinale common gromwell
Lithospermum ruderale Columbia puccoon
Littorella uniflora shore plantain
Livistona chinensis Chinese fan palm
Lloydia serotina alpine lily
Lloydia serotina var. serotina alpine lily
Lobelia 'Queen Victoria' 'Queen Victoria' hybrid lobelia
Lobelia boykinii Boykin's lobelia
Lobelia canbyi Canby's lobelia
Lobelia cardinalis cardinal flower
Lobelia dortmanna water lobelia
Lobelia inflata inflated tobacco
Lobelia kalmii Kalm's lobelia
Lobelia siphilitica great blue lobelia
Lobelia spicata pale-spike lobelia
Lobelia Xspeciosa hybrid cardinal flower
Lobularia maritima seaside koniga
Logfia arvensis field cottonrose
Lolium multiflorum annual ryegrass
Lolium perenne perennial ryegrass
Lolium temulentum darnel
Lomatium ambiguum lacy lomatium
Lomatium bradshawii Bradshaw's desertparsley
Lomatium concinnum adobe desertparsley
Lomatium cous cous biscuitroot
Lomatium dissectum fernleaf desert-parsley
Lomatium foeniculaceum carrotleaf desert-parsley
Lomatium geyeri Geyer's desert-parsley
Lomatium grayi Gray's desert-parsley
Lomatium macrocarpum bigseed lomatium
Lomatium martindalei Martindale's lomatium
Lomatium nudicaule barestem desert-parsley
Lomatium orientale eastern lomatium
Lomatium ravenii Raven's biscuitroot
Lomatium sandbergii Sandberg's biscuitroot
Lomatium triternatum nineleaf desert-parsley
Lomatogonium rotatum marsh felwort
Lonicera 'Mandarin' Mandarin climbing honeysuckle
Lonicera alpigena alpine honeysuckle
Lonicera caerulea blue fly honeysuckle
Lonicera caerulea var. cauriana blue fly honeysuckle
Lonicera canadensis Canada fly honeysuckle
Lonicera caprifolium Italian woodbine
Lonicera chrysantha ornamental honeysuckle
Lonicera ciliosa western trumpet honeysuckle
Lonicera dioica limber honeysuckle
Lonicera flava yellow honeysuckle
Lonicera fragrantissima fragrant honeysuckle
Lonicera hirsuta hairy honeysuckle
Lonicera hispidula California honeysuckle
Lonicera involucrata bracted honeysuckle
Lonicera involucrata var. involucrata bracted honeysuckle
Lonicera japonica Japanese honeysuckle
Lonicera korolkowii blueleaf honeysuckle
Lonicera maackii Maack's honeysuckle
Lonicera maximowiczii var. sachalinensis Sakhalin honeysuckle
Lonicera morrowii Morrow's honeysuckle
Lonicera oblongifolia swamp fly honeysuckle
Lonicera periclymenum woodbine honeysuckle
Lonicera pileata prostrate honeysuckle
Lonicera reticulata grape honeysuckle
Lonicera sempervirens coral honeysuckle
Lonicera standishii winter honeysuckle
Lonicera tatarica Tartarian honeysuckle
Lonicera utahensis Utah honeysuckle
Lonicera villosa mountain fly honeysuckle
Lonicera Xbella showy fly honeysuckle
Lonicera Xbrownii scarlet trumpet honeysuckle
Lonicera Xheckrotti climbing honeysuckle
Lonicera Xitalica Italian honeysuckle
Lonicera Xpurpusii winter honeysuckle
Lonicera Xtellmanniana Tellmann's honeysuckle
Lonicera xylosteum European fly honeysuckle
Lophiola aurea goldencrest
Lotus corniculatus birdsfoot trefoil
Ludwigia alternifolia
Ludwigia palustris marsh seedbox
Ludwigia polycarpa
Ludwigia sphaerocarpa
Luetkea pectinata partridgefoot
Lunaria annua honesty
Lupinus albicaulis pine lupine
Lupinus arbustus
Lupinus arcticus
Lupinus argenteus
Lupinus argenteus var. argenteus
Lupinus citrinus var. citrinus
Lupinus kuschei
Lupinus latifolius
Lupinus lepidus
Lupinus minimus
Lupinus nootkatensis Nootka lupine
Lupinus oreganus var. kincaidii
Lupinus perennis sundial lupine
Lupinus polyphyllus bigleaf lupine
Lupinus sericeus
Lupinus wyethii
Lupinus × 'Russell Hybrids' Russell hybrid lupine
Luzula acuminata hairy woodrush
Luzula acuminata var. acuminata hairy woodrush
Luzula arcuata curved woodrush
Luzula campestris
Luzula confusa northern woodrush
Luzula echinata hedgehog woodrush
Luzula groenlandica Greenland woodrush
Luzula hitchcockii Hitchcock's woodrush
Luzula luzuloides white woodrush
Luzula multiflora common woodrush
Luzula multiflora subsp. frigida northern woodrush
Luzula multiflora subsp. multiflora common woodrush
Luzula pallidula Eurasian woodrush
Luzula parviflora smallflowered woodrush
Luzula rufescens rusty woodrush
Luzula spicata spiked woodrush
Luzula sylvatica golden woodrush
Luzula wahlenbergii Wahlenberg's woodrush
Lychnis Xarkwrightii Arkwright's campion
Lycium barbarum common matrimony vine
Lycium chinense Chinese matrimony vine
Lycopersicon esculentum tomato
Lycopodiella appressa southern bog-clubmoss
Lycopodiella inundata northern bog-clubmoss
Lycopodium annotinum stiff clubmoss
Lycopodium clavatum running clubmoss
Lycopodium dendroideum prickly tree-clubmoss
Lycopodium hickeyi Hickey's tree clubmoss
Lycopodium lagopus onecone clubmoss
Lycopodium obscurum flatbranch tree-clubmoss
Lycopus americanus cutleaf bugleweed
Lycopus amplectens
Lycopus asper western waterhorehound
Lycopus europaeus
Lycopus rubellus
Lycopus uniflorus northern bugleweed
Lycopus virginicus Virginia bugleweed
Lycopus Xsherardii
Lycoris radiata hurricane lily
Lycoris squamigera naked ladies
Lygodesmia juncea rush skeletonplant
Lygodium palmatum
Lyonia ferruginea poor-grub
Lyonia mariana piedmont staggerbush
Lyonothamnus floribundus subsp. aspleniifolius
Lysichiton americanus yellow skunk cabbage
Lysimachia arvensis scarlet pimpernel
Lysimachia asperulifolia Carolina yellow loosestrife
Lysimachia borealis northern starflower
Lysimachia ciliata fringed yellow loosestrife
Lysimachia clethroides gooseneck yellow loosestrife
Lysimachia europaea arctic starflower
Lysimachia fraseri Fraser’s yellow loosestrife
Lysimachia hybrida lowland yellow loosestrife
Lysimachia lanceolata lanceleaf loosestrife
Lysimachia latifolia broadleaf starflower
Lysimachia maritima sea milkwort
Lysimachia minima false pimpernel
Lysimachia nummularia creeping Jenny
Lysimachia punctata spotted yellow loosestrife
Lysimachia quadriflora fourflower yellow loosestrife
Lysimachia quadrifolia whorled yellow loosestrife
Lysimachia terrestris swamp candles
Lysimachia thyrsiflora tufted yellow loosestrife
Lysimachia vulgaris garden yellow loosestrife
Lysimachia Xcommixta hybrid yellow loosestrife
Lythrum alatum winged lythrum
Lythrum alatum var. alatum winged loosestrife
Lythrum hyssopifolia hyssopleaf loosestrife
Lythrum salicaria purple loosestrife