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Native plants · Washington

Native plants of Lewis County

252 plant species are recorded as native to Washington in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Lewis County by USDA PLANTS. 178 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Lewis County, Washington

Native species
252 Typical Washington county: 300 (median of 39 counties)
Garden-ready natives
178 Typical Washington county: 219
Share by type (all 252 native species)
Percent of the 252 native species in each growth type
Tree 15% (37)
Shrub 11% (28)
Wildflower (forb) 46% (117)
Grass or grass-like 17% (44)
Vine 2% (6)
Fern 8% (20)

Wildflowers make up the largest share of the native list (46%), followed by grasses and grass-like plants (17%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zones 7a to 8b (2023 map).

The native plant list

Cold hardiness is estimated from each plant’s PLANTS minimum temperature. How we estimate it.

Garden-ready natives 178

Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.

Garden-ready native plants of Lewis County, Washington
PlantType HeightLight Water useHardy to
Alaska brome Bromus sitchensis Grass or grass-like 5 ft Shade-tolerant Low Zone 5b
Alaska cedar Callitropsis nootkatensis Tree 75 ft Shade-tolerant Medium Zone 5a
Alaska oniongrass Melica subulata Grass or grass-like 3.3 ft Shade-tolerant Medium Zone 4a
alpine laurel Kalmia microphylla Shrub 1 ft Shade-tolerant Medium Zone 4b
American bistort Polygonum bistortoides Wildflower (forb) 1.5 ft Sun High Zone 3b
American speedwell Veronica americana Wildflower (forb) 10 in Shade-tolerant High Zone 3b
American vetch Vicia americana Vine 1.3 ft Sun Low Zone 3b
annual hairgrass Deschampsia danthonioides Grass or grass-like 1.5 ft Sun–part shade Medium Zone 12b
arctic sweet coltsfoot Petasites frigidus Wildflower (forb) 10 in Sun–part shade High Zone 3b
arrowleaf ragwort Senecio triangularis Wildflower (forb) 4 ft Sun–part shade High Zone 4a
awlfruit sedge Carex stipata Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
Barclay's willow Salix barclayi Tree 15 ft Sun High Zone 3a
beach pea Lathyrus japonicus Vine 1.5 ft Sun–part shade Medium Zone 4a
beaked hazelnut Corylus cornuta Tree 15 ft Shade-tolerant Medium Zone 2b
bearded fescue Festuca subulata Grass or grass-like 1.2 ft Shade-tolerant High Zone 3b
bigflower agoseris Agoseris grandiflora Wildflower (forb) 1.8 ft Sun Medium Zone 6a
bigleaf maple Acer macrophyllum Tree 60 ft Sun–part shade Medium Zone 6a
bitter cherry Prunus emarginata Tree 80 ft Sun Medium Zone 5a
black hawthorn Crataegus douglasii Tree 15 ft Sun–part shade High Zone 2b
blue wildrye Elymus glaucus Grass or grass-like 3.3 ft Shade-tolerant Low Zone 3b
bluejoint Calamagrostis canadensis Grass or grass-like 4.9 ft Sun Medium Zone 4a
broadleaf arnica Arnica latifolia Wildflower (forb) 2 ft Sun–part shade High Zone 4a
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
broadleaf lupine Lupinus latifolius Wildflower (forb) 25 ft Shade-tolerant High Zone 5b
broadlipped twayblade Listera convallarioides Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
bush penstemon Penstemon fruticosus Shrub 2 ft Sun Medium Zone 6a
California blackberry Rubus ursinus Shrub 2 ft Sun Medium Zone 8a
California brome Bromus carinatus Grass or grass-like 4 ft Sun Low Zone 9a
California false hellebore Veratrum californicum Wildflower (forb) 6 ft Shade-tolerant High Zone 3b
California oatgrass Danthonia californica Grass or grass-like 2 ft Sun Medium Zone 9a
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Cascade azalea Rhododendron albiflorum Shrub 6 ft Sun–part shade High Zone 8a
Cascade barberry Mahonia nervosa Shrub 2 ft Shade-tolerant Low Zone 5b
Cascara buckthorn Frangula purshiana Tree 35 ft Shade-tolerant Medium Zone 7a
chamisso sedge Carex pachystachya Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
clasping arnica Arnica amplexicaulis Wildflower (forb) 2.5 ft Shade-tolerant High Zone 5a
cliff dwarf-primrose Douglasia laevigata Wildflower (forb) 2 in Sun–part shade Medium Zone 6a
cluster rose Rosa pisocarpa Shrub 3 ft Sun — Zone 5a
coastal monkeyflower Mimulus dentatus Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 7b
Columbia brome Bromus vulgaris Grass or grass-like 1 ft Shade-tolerant Low Zone 5a
Columbian monkshood Aconitum columbianum Wildflower (forb) 5 ft Sun–part shade High Zone 4b
common beargrass Xerophyllum tenax Wildflower (forb) 5 ft Sun–part shade Low Zone 8a
common cowparsnip Heracleum maximum Wildflower (forb) 8 ft Sun High Zone 3b
common juniper Juniperus communis Tree 10 ft Sun Low Zone 3a
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
common sneezeweed Helenium autumnale Wildflower (forb) 4.9 ft Sun Medium Zone 3a
common snowberry Symphoricarpos albus Shrub 3 ft Sun Medium Zone 3b
common spikerush Eleocharis palustris Grass or grass-like 1.3 ft Sun High Zone 3b
curvepod yellowcress Rorippa curvisiliqua Wildflower (forb) 1 ft Shade-tolerant High Zone 12b
Davis' knotweed Polygonum davisiae Wildflower (forb) 1.3 ft Sun–part shade Low Zone 5a
deer fern Blechnum spicant Fern 3.5 ft Sun–part shade High Zone 6b
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
Dewey sedge Carex deweyana Grass or grass-like 3.8 ft Shade-tolerant Medium Zone 4a
Douglas-fir Pseudotsuga menziesii Tree 200 ft Sun–part shade Medium Zone 4a
dwarf rose Rosa gymnocarpa Shrub 3 ft Shade-tolerant Medium Zone 5b
elephanthead lousewort Pedicularis groenlandica Wildflower (forb) 2.5 ft Sun–part shade High Zone 4a
field horsetail Equisetum arvense Fern 11 in Sun–part shade High Zone 3a
fowl mannagrass Glyceria striata Grass or grass-like 5.7 ft Shade-tolerant Medium Zone 3b
fringed grass of Parnassus Parnassia fimbriata Wildflower (forb) 1.2 ft Sun–part shade High Zone 4b
giant mountain aster Canadanthus modestus Wildflower (forb) 3 ft Sun Medium Zone 3b
grand fir Abies grandis Tree 150 ft Shade-tolerant Medium Zone 4a
greater creeping spearwort Ranunculus flammula Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4a
green alder Alnus viridis Tree 10 ft Sun–part shade High Zone 1a
Greene's mountain ash Sorbus scopulina Tree 12 ft Sun–part shade Medium Zone 7a
grouse whortleberry Vaccinium scoparium Shrub 2 ft Shade-tolerant Medium Zone 6a
hairy arnica Arnica mollis Wildflower (forb) 2 ft Sun–part shade High Zone 4a
hairy manzanita Arctostaphylos columbiana Tree 6 ft Sun–part shade Low Zone 8a
harsh Indian paintbrush Castilleja hispida Wildflower (forb) 1.5 ft Sun Low Zone 5a
Henderson's sedge Carex hendersonii Grass or grass-like 3 ft Shade-tolerant Medium Zone 6b
hollyleaved barberry Mahonia aquifolium Shrub 8 ft Shade-tolerant Low Zone 3a
hooded lady's tresses Spiranthes romanzoffiana Wildflower (forb) 2.5 ft Sun–part shade High Zone 3b
Indian plum Oemleria cerasiformis Tree 5 ft Sun–part shade — Zone 10a
inland sedge Carex interior Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
lambstongue ragwort Senecio integerrimus Wildflower (forb) 1.1 ft Sun–part shade Medium Zone 3b
lanceleaf grapefern Botrychium lanceolatum Fern 11 in Shade-tolerant Medium Zone 4a
largeleaf avens Geum macrophyllum Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4a
little western bittercress Cardamine oligosperma Wildflower (forb) 1.7 ft Shade-tolerant Medium Zone 5a
lodgepole pine Pinus contorta Tree 99 ft Sun Medium Zone 1a
Lyall's angelica Angelica arguta Wildflower (forb) 6 ft Sun–part shade High Zone 5b
maiden blue eyed Mary Collinsia parviflora Wildflower (forb) 1 ft Shade-tolerant Medium Zone 4a
Mertens' rush Juncus mertensianus Grass or grass-like 11 in Sun–part shade High Zone 4a
Mertens' sedge Carex mertensii Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 4b
mountain sedge Carex scopulorum Grass or grass-like 1.3 ft Sun–part shade High Zone 3b
mud sedge Carex limosa Grass or grass-like 1.8 ft Sun Medium Zone 4a
nineleaf biscuitroot Lomatium triternatum Wildflower (forb) 2.2 ft Sun–part shade Medium Zone 4a
noble fir Abies procera Tree 230 ft Sun–part shade Low Zone 5a
Nootka rose Rosa nutkana Shrub 10 ft Shade-tolerant High Zone 8a
Northwest Territory sedge Carex utriculata Grass or grass-like 3.5 ft Sun High Zone 3a
oceanspray Holodiscus discolor Shrub 12 ft Sun High Zone 8a
Oregon ash Fraxinus latifolia Tree 70 ft Sun–part shade Medium Zone 6b
Oregon bedstraw Galium oreganum Wildflower (forb) 1 ft Shade-tolerant Low Zone 6a
Oregon crab apple Malus fusca Tree 15 ft Sun–part shade — Zone 10a
Oregon white oak Quercus garryana Tree 80 ft Sun Low Zone 4a
oval-leaf blueberry Vaccinium ovalifolium Shrub 8 ft Sun–part shade Medium Zone 4a
Pacific anemone Anemone multifida Wildflower (forb) 2 ft Shade-tolerant Medium Zone 5a
Pacific bleeding heart Dicentra formosa Wildflower (forb) 1.5 ft Shade-tolerant Low Zone 5a
Pacific dogwood Cornus nuttallii Tree 50 ft Shade-tolerant Medium Zone 4b
Pacific lupine Lupinus lepidus Wildflower (forb) 6 ft Sun Low Zone 5b
Pacific ninebark Physocarpus capitatus Shrub 8 ft Sun Low Zone 4a
Pacific rhododendron Rhododendron macrophyllum Tree 15 ft Sun–part shade High Zone 8a
Pacific silver fir Abies amabilis Tree 165 ft Shade-tolerant Medium Zone 4b
panicled bulrush Scirpus microcarpus Grass or grass-like 5.5 ft Sun Medium Zone 3b
Parry's rush Juncus parryi Grass or grass-like 1 ft Sun–part shade Low Zone 4a
Pennsylvania bittercress Cardamine pensylvanica Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 4a
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
pinemat manzanita Arctostaphylos nevadensis Shrub 2 ft Shade-tolerant Low Zone 6a
pipsissewa Chimaphila umbellata Shrub 1.5 ft Shade-tolerant Low Zone 3b
plantainleaf buttercup Ranunculus alismifolius Wildflower (forb) 2 ft Sun–part shade High Zone 4a
prickly currant Ribes lacustre Shrub 3 ft Shade-tolerant — Zone 1a
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
Rainier pleated gentian Gentiana calycosa Wildflower (forb) 7 in Shade-tolerant Medium Zone 8a
red alder Alnus rubra Tree 90 ft Sun High Zone 5a
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
red huckleberry Vaccinium parvifolium Shrub 12 ft Shade-tolerant Low Zone 6a
redflower currant Ribes sanguineum Shrub 12 ft Sun–part shade Medium Zone 8a
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
redstem ceanothus Ceanothus sanguineus Shrub 10 ft Sun–part shade High Zone 6a
reed canarygrass Phalaris arundinacea Grass or grass-like 5 ft Sun High Zone 3b
rose spirea Spiraea douglasii Shrub 7 ft Sun Low Zone 5a
Ross' sedge Carex rossii Grass or grass-like 1 ft Sun–part shade Medium Zone 4a
salal Gaultheria shallon Shrub 6 ft Shade-tolerant High Zone 8a
salmonberry Rubus spectabilis Vine 12 ft Sun–part shade Medium Zone 4a
Sandberg bluegrass Poa secunda Grass or grass-like 1.4 ft Sun–part shade Low Zone 3b
sanddune wallflower Erysimum capitatum Wildflower (forb) 2.5 ft Sun Medium Zone 4b
Saskatoon serviceberry Amelanchier alnifolia Tree 15 ft Sun–part shade Medium Zone 1a
Scouler's woollyweed Hieracium scouleri Wildflower (forb) 2 ft Sun Medium Zone 4a
seashore bentgrass Agrostis pallens Grass or grass-like 2 ft Sun–part shade High Zone 5a
seep monkeyflower Mimulus guttatus Wildflower (forb) 2.5 ft Shade-tolerant High Zone 3b
shining willow Salix lucida Tree 13 ft Sun–part shade High Zone 3a
shiny chickweed Stellaria nitens Wildflower (forb) 10 in Shade-tolerant Medium Zone 12a
shrubby cinquefoil Dasiphora fruticosa Shrub 2.5 ft Sun–part shade Low Zone 4b
Siberian springbeauty Claytonia sibirica Wildflower (forb) 1.4 ft Shade-tolerant Medium Zone 3a
Sierra larkspur Delphinium glaucum Wildflower (forb) 8 ft Shade-tolerant High Zone 4b
Sitka spruce Picea sitchensis Tree 200 ft Shade-tolerant Medium Zone 4a
Sitka willow Salix sitchensis Tree 23 ft Sun High Zone 5b
slender cinquefoil Potentilla gracilis Wildflower (forb) 2.4 ft Sun Low Zone 3a
slough sedge Carex obnupta Grass or grass-like 3 ft Sun–part shade High Zone 7a
small camas Camassia quamash Wildflower (forb) 2.3 ft Shade-tolerant High Zone 4b
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
smallflowered woodrush Luzula parviflora Grass or grass-like 2 ft Shade-tolerant High Zone 4a
smallwing sedge Carex microptera Grass or grass-like 2 ft Sun High Zone 4a
smooth horsetail Equisetum laevigatum Fern 5 ft Sun Low Zone 3b
spike bentgrass Agrostis exarata Grass or grass-like 3 ft Sun Medium Zone 3b
spreading phlox Phlox diffusa Wildflower (forb) 6 in Shade-tolerant Low Zone 6a
squashberry Viburnum edule Shrub 2 ft Shade-tolerant — Zone 1a
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low Zone 3a
star sedge Carex echinata Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
sticky cinquefoil Potentilla glandulosa Wildflower (forb) 1.5 ft Sun–part shade Low Zone 4a
stiff clubmoss Lycopodium annotinum Fern 1 ft Shade-tolerant High Zone 3a
subalpine fir Abies lasiocarpa Tree 90 ft Shade-tolerant Medium Zone 2a
subalpine fleabane Erigeron peregrinus Wildflower (forb) 2 ft Sun–part shade High Zone 3b
swordleaf rush Juncus ensifolius Grass or grass-like 2 ft Sun–part shade High Zone 3b
tall trisetum Trisetum canescens Grass or grass-like 3.5 ft Sun–part shade Medium Zone 4a
thimbleberry Rubus parviflorus Shrub 4 ft Sun–part shade High Zone 4b
thinleaf huckleberry Vaccinium membranaceum Shrub 4.5 ft Sun–part shade Low Zone 3b
threepetal bedstraw Galium trifidum Vine 10 in Sun–part shade High Zone 3b
timber oatgrass Danthonia intermedia Grass or grass-like 1.5 ft Sun–part shade Low Zone 4a
tinker's penny Hypericum anagalloides Wildflower (forb) 10 in Sun–part shade High Zone 12a
toughleaf iris Iris tenax Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 6a
tufted hairgrass Deschampsia cespitosa Grass or grass-like 3.4 ft Sun Low Zone 3b
twinberry honeysuckle Lonicera involucrata Shrub 10 ft Shade-tolerant High Zone 3a
variableleaf pondweed Potamogeton gramineus Wildflower (forb) — Sun High Zone 3b
vine maple Acer circinatum Tree 20 ft Shade-tolerant Medium Zone 6a
water horsetail Equisetum fluviatile Fern 3 ft Sun High Zone 4a
water sedge Carex aquatilis Grass or grass-like 2.9 ft Sun High Zone 3b
western columbine Aquilegia formosa Wildflower (forb) 3 ft Shade-tolerant Medium Zone 5a
western fescue Festuca occidentalis Grass or grass-like 3 ft Shade-tolerant Low Zone 3a
western hemlock Tsuga heterophylla Tree 170 ft Shade-tolerant Medium Zone 5a
western mountain ash Sorbus sitchensis Tree 15 ft Sun Medium Zone 4b
western pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
western redcedar Thuja plicata Tree 150 ft Shade-tolerant Medium Zone 4a
western swordfern Polystichum munitum Fern 3.5 ft Shade-tolerant High Zone 4a
western water hemlock Cicuta douglasii Wildflower (forb) 6 ft Sun High Zone 4b
western white pine Pinus monticola Tree 200 ft Sun–part shade Medium Zone 4a
white hawkweed Hieracium albiflorum Wildflower (forb) 3 ft Sun–part shade Low Zone 4a
white marsh marigold Caltha leptosepala Wildflower (forb) 1 ft Sun High Zone 4a
whitebark raspberry Rubus leucodermis Vine 1 ft Sun Medium Zone 8a
woodrush sedge Carex luzulina Grass or grass-like 2 ft Sun High Zone 4a

Other native species recorded here 74

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

  • Aleutian maidenhair Adiantum aleuticum
  • alpine pondweed Potamogeton alpinus
  • American bird's-foot trefoil Lotus unifoliolatus
  • American rockbrake Cryptogramma acrostichoides
  • American yellowrocket Barbarea orthoceras
  • bay forget-me-not Myosotis laxa
  • bigleaf lupine Lupinus polyphyllus
  • bitter fleabane Erigeron acris
  • brittle bladderfern Cystopteris fragilis
  • clasping Venus' looking-glass Triodanis perfoliata
  • claspleaf twistedstalk Streptopus amplexifolius
  • coast tarweed Madia sativa
  • dune willow Salix hookeriana
  • European bur-reed Sparganium emersum
  • fairy slipper Calypso bulbosa
  • falsegold groundsel Packera pseudaurea
  • feathery false lily of the valley Maianthemum racemosum
  • fragrant bedstraw Galium triflorum
  • fringed willowherb Epilobium ciliatum
  • giant red Indian paintbrush Castilleja miniata
  • groundcedar Lycopodium complanatum
  • hooded coralroot Corallorhiza striata
  • hookedspur violet Viola adunca
  • Hornemann's willowherb Epilobium hornemannii
  • Indianpipe Monotropa uniflora
  • largeleaf sandwort Moehringia macrophylla
  • leathery grapefern Botrychium multifidum
  • little grapefern Botrychium simplex
  • liverleaf wintergreen Pyrola asarifolia
  • maidenhair spleenwort Asplenium trichomanes
  • marsh violet Viola palustris
  • Menzies' campion Silene menziesii
  • Mingan moonwort Botrychium minganense
  • mountain tarweed Madia glomerata
  • muskflower Mimulus moschatus
  • narrowleaf minerslettuce Montia linearis
  • needleleaf navarretia Navarretia intertexta
  • northern cluster sedge Carex arcta
  • northern hollyfern Polystichum lonchitis
  • pale false mannagrass Torreyochloa pallida
  • pimpernel willowherb Epilobium anagallidifolium
  • pinesap Monotropa hypopitys
  • purple reedgrass Calamagrostis purpurascens
  • red baneberry Actaea rubra
  • Richardson's pondweed Potamogeton richardsonii
  • Rocky Mountain woodsia Woodsia scopulina
  • running clubmoss Lycopodium clavatum
  • scentbottle Platanthera dilatata
  • single delight Moneses uniflora
  • skullcap speedwell Veronica scutellata
  • slender bog orchid Platanthera stricta
  • slender phlox Microsteris gracilis
  • small bur-reed Sparganium natans
  • small pondweed Potamogeton pusillus
  • spinulose woodfern Dryopteris carthusiana
  • spreading dogbane Apocynum androsaemifolium
  • starry false lily of the valley Maianthemum stellatum
  • stream orchid Epipactis gigantea
  • summer coralroot Corallorhiza maculata
  • sweetcicely Osmorhiza berteroi
  • tall annual willowherb Epilobium brachycarpum
  • tall blue lettuce Lactuca biennis
  • tasselflower brickellbush Brickellia grandiflora
  • threadleaf crowfoot Ranunculus trichophyllus
  • tiny trumpet Collomia linearis
  • twinflower Linnaea borealis
  • twistedstalk Streptopus lanceolatus
  • Virginia strawberry Fragaria virginiana
  • western marsh cudweed Gnaphalium palustre
  • western oakfern Gymnocarpium dryopteris
  • western rattlesnake plantain Goodyera oblongifolia
  • woodland pinedrops Pterospora andromedea
  • woodland strawberry Fragaria vesca
  • woolly sedge Carex pellita
Also listed as native and introduced here 2

PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.

Compared with Washington

The typical county is the median of the 39 Washington counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.

Native species counts, Lewis County and Washington
MeasureLewis CountyTypical countyStatewide
Native species 252 300 1,015
Garden-ready natives 178 219 621
Tree 37 — 74
Shrub 28 — 99
Wildflower (forb) 117 — 547
Grass or grass-like 44 — 234
Vine 6 — 16
Fern 20 — 45

Neighboring counties

Counties that share a ZIP code with Lewis County.

Look up another ZIP

Matches your ZIP to the county it mostly lies in, then lists the plants recorded as native to your state (Kew’s World Checklist and USDA PLANTS) and recorded in that county by USDA PLANTS.

Source & data date

Source
USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
Citation
USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
Data date
Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
Zones
USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
Scope
Lewis County (county FIPS 53041), Washington. 252 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
Method
A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources

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