Native plants · Washington

Native plants of Jefferson County

276 plant species are recorded as native to Washington in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Jefferson County by USDA PLANTS. 197 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 4 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Jefferson County, Washington

Native species: 276 Typical Washington county: 300 (median of 39 counties)
Garden-ready natives: 197 Typical Washington county: 219
Share by type (all 276 native species): Percent of the 276 native species in each growth type

Tree 12% (33)
Shrub 10% (28)
Wildflower (forb) 46% (127)
Grass or grass-like 24% (65)
Vine 2% (5)
Fern 7% (18)

Wildflowers make up the largest share of the native list (46%), followed by grasses and grass-like plants (24%).

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 8b to 9a (2023 map).

The native plant list

Garden-ready natives 197

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

Garden-ready native plants of Jefferson County, Washington
Plant	Type	Height	Light	Water use	Hardy 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
alkali buttercup Ranunculus cymbalaria	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 3b
alpine leafybract aster Symphyotrichum foliaceum	Wildflower (forb)	2 ft	Sun	Medium	Zone 3b
alpine mountainsorrel Oxyria digyna	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 3a
alpine timothy Phleum alpinum	Grass or grass-like	1.4 ft	Sun–part shade	Medium	Zone 3a
American alpine speedwell Veronica wormskjoldii	Wildflower (forb)	1 ft	Sun–part shade	High	Zone 4b
American bistort Polygonum bistortoides	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
American dunegrass Leymus mollis	Grass or grass-like	4 ft	Sun	Medium	Zone 8a
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
arctic bluegrass Poa arctica	Grass or grass-like	2 ft	Sun	—	Zone 1a
arctic pearlwort Sagina saginoides	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4a
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 sedge Carex rostrata	Grass or grass-like	3.5 ft	Shade-tolerant	High	Zone 3b
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
bitter cherry Prunus emarginata	Tree	80 ft	Sun	Medium	Zone 5a
black crowberry Empetrum nigrum	Shrub	1 ft	Sun	Low	Zone 3a
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
boreal sagebrush Artemisia arctica	Shrub	1.5 ft	—	—	Zone 1a
Brewer's bittercress Cardamine breweri	Wildflower (forb)	1.8 ft	Shade-tolerant	Medium	Zone 5b
broadleaf arnica Arnica latifolia	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
broadleaf lupine Lupinus latifolius	Wildflower (forb)	25 ft	Shade-tolerant	High	Zone 5b
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 huckleberry Vaccinium ovatum	Shrub	8 ft	Shade-tolerant	Low	Zone 8a
Canada goldenrod Solidago canadensis	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 3a
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Cascade azalea Rhododendron albiflorum	Shrub	6 ft	Sun–part shade	High	Zone 8a
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
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
Columbia needlegrass Achnatherum nelsonii	Grass or grass-like	3 ft	Sun	Low	Zone 4b
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common juniper Juniperus communis	Tree	10 ft	Sun	Low	Zone 3a
common rush Juncus effusus	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
common selfheal Prunella vulgaris	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
cosmopolitan bulrush Bolboschoenus maritimus	Grass or grass-like	3.2 ft	Sun	Medium	Zone 5a
cows clover Trifolium wormskioldii	Wildflower (forb)	3.5 ft	Sun–part shade	Medium	Zone 4b
cutleaf daisy Erigeron compositus	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
deer fern Blechnum spicant	Fern	3.5 ft	Sun–part shade	High	Zone 6b
Douglas aster Symphyotrichum subspicatum	Wildflower (forb)	4 in	Sun–part shade	High	Zone 6b
Douglas-fir Pseudotsuga menziesii	Tree	200 ft	Sun–part shade	Medium	Zone 4a
Drummond's rockcress Arabis drummondii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
Drummond's rush Juncus drummondii	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
dwarf bilberry Vaccinium cespitosum	Shrub	1 ft	Shade-tolerant	High	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
fireweed Chamerion angustifolium	Wildflower (forb)	5.5 ft	Sun–part shade	High	Zone 3b
fowl bluegrass Poa palustris	Grass or grass-like	4 ft	Sun–part shade	Medium	Zone 3b
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
glaucous bluegrass Poa glauca	Grass or grass-like	2 ft	Sun	—	Zone 3a
glaucus willowherb Epilobium glaberrimum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 6b
grand fir Abies grandis	Tree	150 ft	Shade-tolerant	Medium	Zone 4a
grayleaf willow Salix glauca	Tree	4 ft	—	—	Zone 9b
greater creeping spearwort Ranunculus flammula	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4a
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
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
harsh Indian paintbrush Castilleja hispida	Wildflower (forb)	1.5 ft	Sun	Low	Zone 5a
heartleaf arnica Arnica cordifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4b
Henderson's sedge Carex hendersonii	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 6b
Idaho fescue Festuca idahoensis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
Indian plum Oemleria cerasiformis	Tree	5 ft	Sun–part shade	—	Zone 10a
jointleaf rush Juncus articulatus	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4b
kinnikinnick Arctostaphylos uva-ursi	Shrub	6 in	Sun–part shade	Low	Zone 4a
lanceleaf grapefern Botrychium lanceolatum	Fern	11 in	Shade-tolerant	Medium	Zone 4a
largeflower hawksbeard Crepis occidentalis	Wildflower (forb)	11 in	Sun	Low	Zone 5a
largeleaf avens Geum macrophyllum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
largeleaf pondweed Potamogeton amplifolius	Wildflower (forb)	—	Sun	High	Zone 4a
little green sedge Carex viridula	Grass or grass-like	1.5 ft	Sun	High	Zone 3b
little western bittercress Cardamine oligosperma	Wildflower (forb)	1.7 ft	Shade-tolerant	Medium	Zone 5a
livid sedge Carex livida	Grass or grass-like	1 ft	Sun	—	Zone 1a
lodgepole pine Pinus contorta	Tree	99 ft	Sun	Medium	Zone 1a
longleaf pondweed Potamogeton nodosus	Wildflower (forb)	—	Sun	High	Zone 3b
longstalk clover Trifolium longipes	Wildflower (forb)	6 in	Sun–part shade	Medium	Zone 8a
Lyngbye's sedge Carex lyngbyei	Grass or grass-like	1 ft	Sun	—	Zone 2a
maiden blue eyed Mary Collinsia parviflora	Wildflower (forb)	1 ft	Shade-tolerant	Medium	Zone 4a
marsh bluegrass Poa leptocoma	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
marsh grass of Parnassus Parnassia palustris	Wildflower (forb)	2.2 ft	Sun	High	Zone 3b
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	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 brome Bromus marginatus	Grass or grass-like	4 ft	Sun	High	Zone 4b
mountain hemlock Tsuga mertensiana	Tree	125 ft	Shade-tolerant	High	Zone 5b
Nootka rose Rosa nutkana	Shrub	10 ft	Shade-tolerant	High	Zone 8a
northern singlespike sedge Carex scirpoidea	Grass or grass-like	1.5 ft	Shade-tolerant	Medium	Zone 3b
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
orange agoseris Agoseris aurantiaca	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
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
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 madrone Arbutus menziesii	Tree	80 ft	Sun–part shade	Low	Zone 8b
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
Pacific yew Taxus brevifolia	Tree	40 ft	Shade-tolerant	Low	Zone 5b
pale agoseris Agoseris glauca	Shrub	1 ft	Sun	Medium	Zone 4a
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
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
pipsissewa Chimaphila umbellata	Shrub	1.5 ft	Shade-tolerant	Low	Zone 3b
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
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
Raynolds' sedge Carex raynoldsii	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 4a
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
Rocky Mountain goldenrod Solidago multiradiata	Wildflower (forb)	1 ft	Sun	—	Zone 1a
Rocky Mountain maple Acer glabrum	Tree	30 ft	Sun–part shade	Low	Zone 3a
rose spirea Spiraea douglasii	Shrub	7 ft	Sun	Low	Zone 5a
rough bentgrass Agrostis scabra	Grass or grass-like	2.5 ft	Sun	Medium	Zone 3b
russet buffaloberry Shepherdia canadensis	Shrub	6 ft	Sun–part shade	Medium	Zone 1a
salal Gaultheria shallon	Shrub	6 ft	Shade-tolerant	High	Zone 8a
salmonberry Rubus spectabilis	Vine	12 ft	Sun–part shade	Medium	Zone 4a
saltgrass Distichlis spicata	Grass or grass-like	1.1 ft	Sun	Medium	Zone 3b
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
sea milkwort Glaux maritima	Wildflower (forb)	11 in	Sun	High	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
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
sicklekeel lupine Lupinus albicaulis	Wildflower (forb)	3 ft	Sun	Medium	Zone 12a
Sierra larkspur Delphinium glaucum	Wildflower (forb)	8 ft	Shade-tolerant	High	Zone 4b
Sitka willow Salix sitchensis	Tree	23 ft	Sun	High	Zone 5b
slender cinquefoil Potentilla gracilis	Wildflower (forb)	2.4 ft	Sun	Low	Zone 3a
slender hairgrass Deschampsia elongata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
slender wheatgrass Elymus trachycaulus	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
slenderbeak sedge Carex athrostachya	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
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
smooth horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
snowbrush ceanothus Ceanothus velutinus	Tree	10 ft	Sun	Medium	Zone 5a
spike bentgrass Agrostis exarata	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
spike trisetum Trisetum spicatum	Grass or grass-like	1.9 ft	Sun–part shade	Medium	Zone 3b
spiked woodrush Luzula spicata	Grass or grass-like	1.3 ft	Shade-tolerant	High	Zone 4a
spreading phlox Phlox diffusa	Wildflower (forb)	6 in	Shade-tolerant	Low	Zone 6a
spreadingpod rockcress Arabis ×divaricarpa	Wildflower (forb)	3 ft	Shade-tolerant	Low	Zone 4b
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
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
tapertip rush Juncus acuminatus	Grass or grass-like	3 ft	Sun–part shade	High	Zone 4a
thimbleberry Rubus parviflorus	Shrub	4 ft	Sun–part shade	High	Zone 4b
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	High	Zone 3b
Tilesius' wormwood Artemisia tilesii	Wildflower (forb)	36 ft	Shade-tolerant	Medium	Zone 1a
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
toad rush Juncus bufonius	Grass or grass-like	1 ft	Sun	Medium	Zone 12a
tufted bulrush Trichophorum cespitosum	Grass or grass-like	1.3 ft	Sun–part shade	Medium	Zone 3a
twinberry honeysuckle Lonicera involucrata	Shrub	10 ft	Shade-tolerant	High	Zone 3a
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
undergreen willow Salix commutata	Shrub	3 ft	—	—	Zone 3b
Utah honeysuckle Lonicera utahensis	Shrub	5 ft	Shade-tolerant	High	Zone 5a
vernal water-starwort Callitriche palustris	Wildflower (forb)	10 in	Sun	Medium	Zone 4a
Virginia glasswort Salicornia depressa	Wildflower (forb)	1 ft	Sun	Medium	Zone 8b
water horsetail Equisetum fluviatile	Fern	3 ft	Sun	High	Zone 4a
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 sweetroot Osmorhiza occidentalis	Wildflower (forb)	4 ft	Shade-tolerant	Medium	Zone 3b
western swordfern Polystichum munitum	Fern	3.5 ft	Shade-tolerant	High	Zone 4a
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 pine Pinus albicaulis	Tree	65 ft	Sun–part shade	Medium	Zone 1b
woodrush sedge Carex luzulina	Grass or grass-like	2 ft	Sun	High	Zone 4a
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a

Other native species recorded here 79

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 lewisia Lewisia pygmaea
American rockbrake Cryptogramma acrostichoides
American yellowrocket Barbarea orthoceras
autumn dwarf gentian Gentianella amarella
bay forget-me-not Myosotis laxa
beautiful sandwort Minuartia rubella
Bicknell's cranesbill Geranium bicknellii
bitter fleabane Erigeron acris
bluntleaf pondweed Potamogeton obtusifolius
bog yellowcress Rorippa palustris
boreal starwort Stellaria borealis
box knotweed Polygonum buxiforme
brightgreen spleenwort Asplenium trichomanes-ramosum
brittle bladderfern Cystopteris fragilis
chickenclaws Sarcocornia perennis
claspleaf twistedstalk Streptopus amplexifolius
Douglas' knotweed Polygonum douglasii
dune willow Salix hookeriana
European bur-reed Sparganium emersum
fewflower sedge Carex pauciflora
fragrant bedstraw Galium triflorum
fringed willowherb Epilobium ciliatum
giant red Indian paintbrush Castilleja miniata
green false hellebore Veratrum viride
hemlock waterparsnip Sium suave
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
male fern Dryopteris filix-mas
marsh violet Viola palustris
milkflower willowherb Epilobium lactiflorum
moss campion Silene acaulis
mountain deathcamas Zigadenus elegans
narrowleaf bur-reed Sparganium angustifolium
nodding chickweed Cerastium nutans
nodding onion Allium cernuum
northern hollyfern Polystichum lonchitis
Norwegian cinquefoil Potentilla norvegica
one-cone clubmoss Lycopodium lagopus
pale false mannagrass Torreyochloa pallida
pimpernel willowherb Epilobium anagallidifolium
pinesap Monotropa hypopitys
poverty oatgrass Danthonia spicata
purple reedgrass Calamagrostis purpurascens
red baneberry Actaea rubra
rosy pussytoes Antennaria rosea
running clubmoss Lycopodium clavatum
salt sandspurry Spergularia salina
saltmeadow rush Juncus gerardii
scentbottle Platanthera dilatata
seaside arrowgrass Triglochin maritima
seaside sandplant Honckenya peploides
sidebells wintergreen Orthilia secunda
single delight Moneses uniflora
skullcap speedwell Veronica scutellata
slender bog orchid Platanthera stricta
slender phlox Microsteris gracilis
small cranberry Vaccinium oxycoccos
spearleaf stonecrop Sedum lanceolatum
spinulose woodfern Dryopteris carthusiana
starry false lily of the valley Maianthemum stellatum
strawberry Fragaria ×ananassa
summer coralroot Corallorhiza maculata
sweetcicely Osmorhiza berteroi
threadleaf crowfoot Ranunculus trichophyllus
tiny trumpet Collomia linearis
twinflower Linnaea borealis
Virginia pepperweed Lepidium virginicum
Virginia strawberry Fragaria virginiana
western oakfern Gymnocarpium dryopteris
western rattlesnake plantain Goodyera oblongifolia
woodland pinedrops Pterospora andromedea
woodland strawberry Fragaria vesca
Wright's cudweed Pseudognaphalium canescens

Also listed as native and introduced here 4

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.

beach strawberryFragaria chiloensis
bride's feathersAruncus dioicus
common reedPhragmites australis
white sagebrushArtemisia ludoviciana

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, Jefferson County and Washington
Measure	Jefferson County	Typical county	Statewide
Native species	276	300	1,015
Garden-ready natives	197	219	621
Tree	33	—	74
Shrub	28	—	99
Wildflower (forb)	127	—	547
Grass or grass-like	65	—	234
Vine	5	—	16
Fern	18	—	45

Neighboring counties

Counties that share a ZIP code with Jefferson County.

Clallam County, WA 264 garden-ready

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: Jefferson County (county FIPS 53031), Washington. 276 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

Independent reference site. No government affiliation or endorsement.