Native plants · Oregon

Native plants of Wasco County

469 plant species are recorded as native to Oregon in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Wasco County by USDA PLANTS. 330 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 5 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Wasco County, Oregon

Native species: 469 Typical Oregon county: 432 (median of 36 counties)
Garden-ready natives: 330 Typical Oregon county: 311
Share by type (all 469 native species): Percent of the 469 native species in each growth type

Tree 11% (51)
Shrub 12% (55)
Wildflower (forb) 55% (260)
Grass or grass-like 17% (81)
Vine 1% (7)
Fern 3% (15)

Wildflowers make up the largest share of the native list (55%), 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 6b to 7b (2023 map).

The native plant list

Garden-ready natives 330

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

Garden-ready native plants of Wasco County, Oregon
Plant	Type	Height	Light	Water use	Hardy to
alkali buttercup Ranunculus cymbalaria	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 3b
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 licorice Glycyrrhiza lepidota	Wildflower (forb)	4 ft	Sun–part shade	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
analogue sedge Carex simulata	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
annual hairgrass Deschampsia danthonioides	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 12b
antelope bitterbrush Purshia tridentata	Shrub	6 ft	Sun–part shade	Low	Zone 3b
arctic sweet coltsfoot Petasites frigidus	Wildflower (forb)	10 in	Sun–part shade	High	Zone 3b
arrowleaf balsamroot Balsamorhiza sagittata	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
arrowleaf ragwort Senecio triangularis	Wildflower (forb)	4 ft	Sun–part shade	High	Zone 4a
arumleaf arrowhead Sagittaria cuneata	Wildflower (forb)	2.6 ft	Sun	Medium	Zone 4a
ballhead waterleaf Hydrophyllum capitatum	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4b
basalt milkvetch Astragalus filipes	Wildflower (forb)	2 ft	Sun	Low	Zone 5a
basin wildrye Leymus cinereus	Grass or grass-like	5 ft	Sun	High	Zone 3a
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
big deervetch Lotus crassifolius	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 7a
big sagebrush Artemisia tridentata	Tree	4 ft	Sun	Medium	Zone 3a
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
bigseed biscuitroot Lomatium macrocarpum	Wildflower (forb)	6 in	Sun	Low	Zone 4b
bitter cherry Prunus emarginata	Tree	80 ft	Sun	Medium	Zone 5a
black hawthorn Crataegus douglasii	Tree	15 ft	Sun–part shade	High	Zone 2b
blanketflower Gaillardia aristata	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
Blue Mountain buckwheat Eriogonum strictum	Wildflower (forb)	2.2 ft	Sun	Low	Zone 5a
blue wildrye Elymus glaucus	Grass or grass-like	3.3 ft	Shade-tolerant	Low	Zone 3b
bluebunch wheatgrass Pseudoroegneria spicata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
bluejoint Calamagrostis canadensis	Grass or grass-like	4.9 ft	Sun	Medium	Zone 4a
bog blueberry Vaccinium uliginosum	Shrub	2 ft	Sun–part shade	Medium	Zone 3b
boxelder Acer negundo	Tree	60 ft	Shade-tolerant	Medium	Zone 2b
bristlystalked sedge Carex leptalea	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 4a
broadfruit bur-reed Sparganium eurycarpum	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
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
broadlipped twayblade Listera convallarioides	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 3b
broom snakeweed Gutierrezia sarothrae	Shrub	1.5 ft	Sun	Medium	Zone 3b
Brown's peony Paeonia brownii	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 5a
bush penstemon Penstemon fruticosus	Shrub	2 ft	Sun	Medium	Zone 6a
bushy bird's beak Cordylanthus ramosus	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 12b
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
California poppy Eschscholzia californica	Wildflower (forb)	1.2 ft	Sun–part shade	Low	Zone 8a
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian milkvetch Astragalus canadensis	Wildflower (forb)	6 in	Sun	Medium	Zone 3b
Canby's biscuitroot Lomatium canbyi	Wildflower (forb)	10 in	Sun	Low	Zone 4b
Carey's balsamroot Balsamorhiza careyana	Wildflower (forb)	2.5 ft	Sun–part shade	Low	Zone 6a
Cascade barberry Mahonia nervosa	Shrub	2 ft	Shade-tolerant	Low	Zone 5b
chamisso sedge Carex pachystachya	Grass or grass-like	3.5 ft	Shade-tolerant	Medium	Zone 3b
chokecherry Prunus virginiana	Tree	25 ft	Sun	Medium	Zone 3a
clasping arnica Arnica amplexicaulis	Wildflower (forb)	2.5 ft	Shade-tolerant	High	Zone 5a
cluster rose Rosa pisocarpa	Shrub	3 ft	Sun	—	Zone 5a
clustered field sedge Carex praegracilis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
Columbian monkshood Aconitum columbianum	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 4b
Columbian sedge Carex aperta	Grass or grass-like	2 ft	Sun	High	Zone 5b
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 duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
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
common threesquare Schoenoplectus pungens	Grass or grass-like	4.9 ft	Sun	High	Zone 3b
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
cous biscuitroot Lomatium cous	Wildflower (forb)	10 in	Sun	Low	Zone 4b
creeping barberry Mahonia repens	Shrub	2 ft	Shade-tolerant	Medium	Zone 5a
cursed buttercup Ranunculus sceleratus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 12b
curvepod milkvetch Astragalus curvicarpus	Wildflower (forb)	5 in	Sun	Low	Zone 5a
curvepod yellowcress Rorippa curvisiliqua	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 12b
darkthroat shootingstar Dodecatheon pulchellum	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 4a
deerbrush Ceanothus integerrimus	Shrub	13 ft	Sun	Low	Zone 6a
desert centaury Centaurium exaltatum	Wildflower (forb)	1.5 ft	Sun	Medium	Zone 12b
desert yellow fleabane Erigeron linearis	Wildflower (forb)	1 ft	Sun	Low	Zone 5a
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
Douglas' dustymaiden Chaenactis douglasii	Wildflower (forb)	1.6 ft	Sun–part shade	Low	Zone 3b
Douglas' grasswidow Olsynium douglasii	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
Douglas' onion Allium douglasii	Wildflower (forb)	11 in	Sun	Medium	Zone 4b
Douglas' sedge Carex douglasii	Grass or grass-like	1.5 ft	Sun	Medium	Zone 4a
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
Engelmann spruce Picea engelmannii	Tree	120 ft	Shade-tolerant	Medium	Zone 2a
false indigo bush Amorpha fruticosa	Shrub	15 ft	Sun	Low	Zone 3b
fernleaf biscuitroot Lomatium dissectum	Wildflower (forb)	15 ft	Sun–part shade	Low	Zone 8a
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
floating pondweed Potamogeton natans	Wildflower (forb)	—	Sun	High	Zone 3b
foothill deathcamas Zigadenus paniculatus	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 4a
fowl bluegrass Poa palustris	Grass or grass-like	4 ft	Sun–part shade	Medium	Zone 3b
fringed grass of Parnassus Parnassia fimbriata	Wildflower (forb)	1.2 ft	Sun–part shade	High	Zone 4b
Gairdner's beardtongue Penstemon gairdneri	Wildflower (forb)	1 ft	Sun	Low	Zone 4b
Gardner's yampah Perideridia gairdneri	Wildflower (forb)	4 ft	Shade-tolerant	High	Zone 5b
Geyer willow Salix geyeriana	Tree	15 ft	Shade-tolerant	High	Zone 3b
Geyer's sedge Carex geyeri	Grass or grass-like	1.5 ft	Sun–part shade	Low	Zone 4b
giant chinquapin Chrysolepis chrysophylla	Tree	100 ft	Shade-tolerant	Medium	Zone 4a
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
glaucus willowherb Epilobium glaberrimum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 6b
golden currant Ribes aureum	Shrub	10 ft	Sun–part shade	Low	Zone 3b
golden sedge Carex aurea	Grass or grass-like	1.2 ft	Sun–part shade	High	Zone 4a
golden spiderflower Cleome platycarpa	Wildflower (forb)	2 ft	Sun	Medium	Zone 12b
golden tickseed Coreopsis tinctoria	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 12b
grand fir Abies grandis	Tree	150 ft	Shade-tolerant	Medium	Zone 4a
gray alder Alnus incana	Tree	25 ft	Sun–part shade	High	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
greenleaf manzanita Arctostaphylos patula	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
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
heartleaf arnica Arnica cordifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4b
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
Idaho bentgrass Agrostis idahoensis	Grass or grass-like	1.4 ft	Sun	Medium	Zone 3b
Idaho blue-eyed grass Sisyrinchium idahoense	Wildflower (forb)	1.7 ft	Shade-tolerant	High	Zone 3b
Idaho fescue Festuca idahoensis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
incense cedar Calocedrus decurrens	Tree	100 ft	Sun–part shade	Low	Zone 4b
Indian plum Oemleria cerasiformis	Tree	5 ft	Sun–part shade	—	Zone 10a
Indian ricegrass Achnatherum hymenoides	Grass or grass-like	2 ft	Sun	Low	Zone 3a
Indianhemp Apocynum cannabinum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
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
largeflower hawksbeard Crepis occidentalis	Wildflower (forb)	11 in	Sun	Low	Zone 5a
largeflower triteleia Triteleia grandiflora	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 4a
largehead clover Trifolium macrocephalum	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12b
largeleaf avens Geum macrophyllum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
Leiberg's bluegrass Poa leibergii	Grass or grass-like	1.5 ft	Sun	Medium	Zone 5a
Lemmon's needlegrass Achnatherum lemmonii	Grass or grass-like	3 ft	Sun	Low	Zone 4b
lesser bladderwort Utricularia minor	Wildflower (forb)	2 in	Sun	High	Zone 3a
Lewis flax Linum lewisii	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 3b
Lewis' mock orange Philadelphus lewisii	Shrub	12 ft	Sun	Low	Zone 8a
little western bittercress Cardamine oligosperma	Wildflower (forb)	1.7 ft	Shade-tolerant	Medium	Zone 5a
littleleaf horsebrush Tetradymia glabrata	Shrub	12 ft	Sun	Low	Zone 6a
lodgepole pine Pinus contorta	Tree	99 ft	Sun	Medium	Zone 1a
longleaf phlox Phlox longifolia	Wildflower (forb)	1.2 ft	Sun–part shade	Low	Zone 6a
longleaf starwort Stellaria longifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 3b
longstalk clover Trifolium longipes	Wildflower (forb)	6 in	Sun–part shade	Medium	Zone 8a
low pussytoes Antennaria dimorpha	Wildflower (forb)	4 in	Sun–part shade	Low	Zone 3b
MacKenzie's willow Salix prolixa	Tree	45 ft	Sun	Low	Zone 2a
maiden blue eyed Mary Collinsia parviflora	Wildflower (forb)	1 ft	Shade-tolerant	Medium	Zone 4a
meadow barley Hordeum brachyantherum	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
miner's lettuce Claytonia perfoliata	Wildflower (forb)	1 ft	Shade-tolerant	Medium	Zone 12b
Missouri goldenrod Solidago missouriensis	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
Modoc hawksbeard Crepis modocensis	Wildflower (forb)	1.4 ft	Sun	Low	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
mule-ears Wyethia amplexicaulis	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 3b
Munro's globemallow Sphaeralcea munroana	Wildflower (forb)	2.5 ft	Sun	Low	Zone 4b
narrowleaf water plantain Alisma gramineum	Wildflower (forb)	1.5 ft	Sun	High	Zone 3a
narrowleaf willow Salix exigua	Tree	10 ft	Sun–part shade	High	Zone 3b
Nebraska sedge Carex nebrascensis	Grass or grass-like	3 ft	Sun	High	Zone 3b
needle and thread Hesperostipa comata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
needle spikerush Eleocharis acicularis	Grass or grass-like	8 in	Sun	Medium	Zone 5a
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
nodding beggartick Bidens cernua	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
nodding microseris Microseris nutans	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4b
Nootka rose Rosa nutkana	Shrub	10 ft	Shade-tolerant	High	Zone 8a
northern bedstraw Galium boreale	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
northern water-starwort Callitriche hermaphroditica	Wildflower (forb)	—	Sun	High	Zone 4a
northwest sandbar willow Salix sessilifolia	Tree	20 ft	Sun–part shade	Medium	Zone 4a
Northwest Territory sedge Carex utriculata	Grass or grass-like	3.5 ft	Sun	High	Zone 3a
northwestern Indian paintbrush Castilleja angustifolia	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
oceanspray Holodiscus discolor	Shrub	12 ft	Sun	High	Zone 8a
old man's whiskers Geum triflorum	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
oneflower helianthella Helianthella uniflora	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 5a
onespike danthonia Danthonia unispicata	Grass or grass-like	10 in	Sun	Low	Zone 4b
oniongrass Melica bulbosa	Grass or grass-like	1.8 ft	Sun–part shade	Low	Zone 3a
orange agoseris Agoseris aurantiaca	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
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 checkerbloom Sidalcea oregana	Wildflower (forb)	4.5 ft	Shade-tolerant	High	Zone 3b
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 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 onion Allium validum	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 5b
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
pale evening primrose Oenothera pallida	Wildflower (forb)	2 ft	Sun	Low	Zone 3b
panicled bulrush Scirpus microcarpus	Grass or grass-like	5.5 ft	Sun	Medium	Zone 3b
peachleaf willow Salix amygdaloides	Tree	60 ft	Sun	High	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
pinkfairies Clarkia pulchella	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 12a
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
ponderosa pine Pinus ponderosa	Tree	223 ft	Sun	Medium	Zone 3b
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
prairie Junegrass Koeleria macrantha	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 3b
prickly currant Ribes lacustre	Shrub	3 ft	Shade-tolerant	—	Zone 1a
primrose monkeyflower Mimulus primuloides	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4a
prostrate ceanothus Ceanothus prostratus	Shrub	6 in	Shade-tolerant	Low	Zone 5a
purple sage Salvia dorrii	Shrub	2.5 ft	Sun	Medium	Zone 5a
quaking aspen Populus tremuloides	Tree	65 ft	Sun	High	Zone 1a
rattlesnake fern Botrychium virginianum	Fern	1.4 ft	Shade-tolerant	Medium	Zone 3b
red alder Alnus rubra	Tree	90 ft	Sun	High	Zone 5a
red elderberry Sambucus racemosa	Tree	18 ft	Sun–part shade	High	Zone 4a
redflower currant Ribes sanguineum	Shrub	12 ft	Sun–part shade	Medium	Zone 8a
redosier dogwood Cornus sericea	Tree	12 ft	Sun	High	Zone 3b
redroot flatsedge Cyperus erythrorhizos	Grass or grass-like	2.5 ft	Sun	Medium	Zone 11a
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
rock buckwheat Eriogonum sphaerocephalum	Shrub	1 ft	Sun	Low	Zone 5a
Rocky Mountain iris Iris missouriensis	Wildflower (forb)	1 ft	Sun–part shade	High	Zone 4b
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
roundleaf alumroot Heuchera cylindrica	Wildflower (forb)	6 ft	Sun–part shade	Low	Zone 6a
royal penstemon Penstemon speciosus	Wildflower (forb)	2.5 ft	Sun	Low	Zone 4a
rubber rabbitbrush Ericameria nauseosa	Shrub	4 ft	Sun	Medium	Zone 3b
rush pussytoes Antennaria luzuloides	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
sagebrush buttercup Ranunculus glaberrimus	Wildflower (forb)	6 in	Sun	High	Zone 3a
sagebrush mariposa lily Calochortus macrocarpus	Wildflower (forb)	1.8 ft	Sun	Low	Zone 5a
sand dropseed Sporobolus cryptandrus	Grass or grass-like	3 ft	Sun	Low	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
scabland penstemon Penstemon deustus	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
scabland sagebrush Artemisia rigida	Shrub	2 ft	Sun	Low	Zone 3a
scarlet gilia Ipomopsis aggregata	Wildflower (forb)	3 ft	Sun	Low	Zone 5b
Scouler's willow Salix scouleriana	Tree	50 ft	Sun–part shade	High	Zone 6a
Scouler's woollyweed Hieracium scouleri	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
scratchgrass Muhlenbergia asperifolia	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 5b
seep monkeyflower Mimulus guttatus	Wildflower (forb)	2.5 ft	Shade-tolerant	High	Zone 3b
serrate balsamroot Balsamorhiza serrata	Wildflower (forb)	1 ft	Sun	Low	Zone 4b
shadscale saltbush Atriplex confertifolia	Shrub	3 ft	Sun	Medium	Zone 3b
sharpleaf penstemon Penstemon acuminatus	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
shiny chickweed Stellaria nitens	Wildflower (forb)	10 in	Shade-tolerant	Medium	Zone 12a
shortawn foxtail Alopecurus aequalis	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 3b
showy milkweed Asclepias speciosa	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
sicklekeel lupine Lupinus albicaulis	Wildflower (forb)	3 ft	Sun	Medium	Zone 12a
Sierra rush Juncus nevadensis	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
silky lupine Lupinus sericeus	Wildflower (forb)	6 ft	Sun	Low	Zone 4b
silver sagebrush Artemisia cana	Shrub	5 ft	Sun	Low	Zone 3a
silverleaf phacelia Phacelia hastata	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
silvery sedge Carex canescens	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
slender cinquefoil Potentilla gracilis	Wildflower (forb)	2.4 ft	Sun	Low	Zone 3a
slender clarkia Clarkia gracilis	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 12b
slender cottongrass Eriophorum gracile	Grass or grass-like	1.7 ft	Sun	High	Zone 3a
slender flatsedge Cyperus bipartitus	Grass or grass-like	5 ft	Sun	Medium	Zone 10b
slender hairgrass Deschampsia elongata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
small camas Camassia quamash	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 4b
small floating mannagrass Glyceria borealis	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
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
smooth sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
snow buckwheat Eriogonum niveum	Wildflower (forb)	1.5 ft	Sun–part shade	Low	Zone 5a
snowbrush ceanothus Ceanothus velutinus	Tree	10 ft	Sun	Medium	Zone 5a
softleaf sedge Carex disperma	Grass or grass-like	2 ft	Sun–part shade	High	Zone 3b
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
spike bentgrass Agrostis exarata	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
spineless horsebrush Tetradymia canescens	Shrub	4 ft	Sun	Low	Zone 9a
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
sticky currant Ribes viscosissimum	Shrub	3.5 ft	Sun	—	Zone 3b
sticky purple geranium Geranium viscosissimum	Wildflower (forb)	3 ft	Shade-tolerant	Low	Zone 6a
stiff clubmoss Lycopodium annotinum	Fern	1 ft	Shade-tolerant	High	Zone 3a
streambank wild hollyhock Iliamna rivularis	Wildflower (forb)	6 ft	Sun–part shade	Medium	Zone 4a
sulphur lupine Lupinus sulphureus	Wildflower (forb)	10 ft	Sun	Low	Zone 4a
sulphur-flower buckwheat Eriogonum umbellatum	Shrub	1 ft	Sun	Low	Zone 8a
swordleaf rush Juncus ensifolius	Grass or grass-like	2 ft	Sun–part shade	High	Zone 3b
tailcup lupine Lupinus caudatus	Wildflower (forb)	5 ft	Sun	Low	Zone 4b
tall fringed bluebells Mertensia ciliata	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 5a
tall groundsel Senecio hydrophiloides	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 4b
tall trisetum Trisetum canescens	Grass or grass-like	3.5 ft	Sun–part shade	Medium	Zone 4a
tall woolly buckwheat Eriogonum elatum	Wildflower (forb)	3 ft	Sun	Low	Zone 4b
tapertip onion Allium acuminatum	Wildflower (forb)	1 ft	Sun	Low	Zone 4b
tarweed fiddleneck Amsinckia lycopsoides	Wildflower (forb)	3 ft	Sun	Low	Zone 4b
thickspike wheatgrass Elymus lanceolatus	Grass or grass-like	2.3 ft	Sun	Low	Zone 3b
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
thinleaved owl's-clover Orthocarpus tenuifolius	Wildflower (forb)	1 ft	Sun	Low	Zone 12b
threadleaf fleabane Erigeron filifolius	Wildflower (forb)	1 ft	Sun	Low	Zone 6a
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	High	Zone 3b
Thurber's needlegrass Achnatherum thurberianum	Grass or grass-like	2 ft	Sun	Low	Zone 5a
tinker's penny Hypericum anagalloides	Wildflower (forb)	10 in	Sun–part shade	High	Zone 12a
tiny mousetail Myosurus minimus	Wildflower (forb)	5 in	Sun–part shade	Medium	Zone 12b
toad rush Juncus bufonius	Grass or grass-like	1 ft	Sun	Medium	Zone 12a
Tolmie's onion Allium tolmiei	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
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
vine maple Acer circinatum	Tree	20 ft	Shade-tolerant	Medium	Zone 6a
water birch Betula occidentalis	Tree	25 ft	Sun–part shade	High	Zone 1a
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
water sedge Carex aquatilis	Grass or grass-like	2.9 ft	Sun	High	Zone 3b
wax currant Ribes cereum	Shrub	3 ft	Sun	Low	Zone 5a
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 goldentop Euthamia occidentalis	Wildflower (forb)	6 ft	Sun	Medium	Zone 4b
western hemlock Tsuga heterophylla	Tree	170 ft	Shade-tolerant	Medium	Zone 5a
western juniper Juniperus occidentalis	Tree	33 ft	Sun	Low	Zone 4a
western larch Larix occidentalis	Tree	200 ft	Sun	Low	Zone 3a
western mountain ash Sorbus sitchensis	Tree	15 ft	Sun	Medium	Zone 4b
western needlegrass Achnatherum occidentale	Grass or grass-like	2 ft	Sun–part shade	Low	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 stoneseed Lithospermum ruderale	Wildflower (forb)	1.5 ft	Sun	Low	Zone 4b
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 water hemlock Cicuta douglasii	Wildflower (forb)	6 ft	Sun	High	Zone 4b
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
western white clematis Clematis ligusticifolia	Vine	1 ft	Sun–part shade	Medium	Zone 3b
western white pine Pinus monticola	Tree	200 ft	Sun–part shade	Medium	Zone 4a
white alder Alnus rhombifolia	Tree	65 ft	Shade-tolerant	High	Zone 5a
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
white sagebrush Artemisia ludoviciana	Wildflower (forb)	3 ft	Sun	Low	Zone 4a
whitebark raspberry Rubus leucodermis	Vine	1 ft	Sun	Medium	Zone 8a
whitestem gooseberry Ribes inerme	Shrub	8 ft	Shade-tolerant	Medium	Zone 4b
woodrush sedge Carex luzulina	Grass or grass-like	2 ft	Sun	High	Zone 4a
Woods' rose Rosa woodsii	Shrub	3 ft	Sun–part shade	Medium	Zone 3a
woolly groundsel Packera cana	Wildflower (forb)	1.5 ft	Sun	Low	Zone 3a
woolly plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b
woollypod milkvetch Astragalus purshii	Wildflower (forb)	7 in	Sun	Low	Zone 4a
yellow fritillary Fritillaria pudica	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 12a
yellow owl's-clover Orthocarpus luteus	Wildflower (forb)	1.5 ft	Sun	Low	Zone 12b
yellow rabbitbrush Chrysothamnus viscidiflorus	Shrub	3 ft	Sun	Low	Zone 5a
yellow spiderflower Cleome lutea	Wildflower (forb)	2.7 ft	Sun	Low	Zone 12a
yellow wildrye Leymus flavescens	Grass or grass-like	3 ft	Sun	Medium	Zone 5b

Other native species recorded here 139

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.

American bird's-foot trefoil Lotus unifoliolatus
American black nightshade Solanum americanum
American rockbrake Cryptogramma acrostichoides
American sloughgrass Beckmannia syzigachne
American wild carrot Daucus pusillus
American yellowrocket Barbarea orthoceras
Apocynum ×floribundum Apocynum ×floribundum
arroyo willow Salix lasiolepis
bastard toadflax Comandra umbellata
bay forget-me-not Myosotis laxa
bearded flatsedge Cyperus squarrosus
Bebb willow Salix bebbiana
Bicknell's cranesbill Geranium bicknellii
bigbract verbena Verbena bracteata
bog willow Salix pedicellaris
brittle bladderfern Cystopteris fragilis
brook cinquefoil Potentilla rivalis
Canadian gooseberry Ribes oxyacanthoides
carelessweed Cyclachaena xanthiifolia
Carolina geranium Geranium carolinianum
chaffweed Anagallis minima
clammy hedgehyssop Gratiola neglecta
clustered broomrape Orobanche fasciculata
coast tarweed Madia sativa
common bladderwort Utricularia macrorhiza
common woodrush Luzula multiflora
cottonbatting plant Pseudognaphalium stramineum
curlytop knotweed Polygonum lapathifolium
cutleaf nightshade Solanum triflorum
Douglas' knotweed Polygonum douglasii
dune willow Salix hookeriana
dutchman's breeches Dicentra cucullaria
elkweed Frasera speciosa
English sundew Drosera anglica
European bur-reed Sparganium emersum
fairy slipper Calypso bulbosa
falsegold groundsel Packera pseudaurea
feathery false lily of the valley Maianthemum racemosum
fineleaf hymenopappus Hymenopappus filifolius
flatleaf bladderwort Utricularia intermedia
flatspine bur ragweed Ambrosia acanthicarpa
foxtail barley Hordeum jubatum
fragrant bedstraw Galium triflorum
fringed willowherb Epilobium ciliatum
giant red Indian paintbrush Castilleja miniata
grand redstem Ammannia robusta
green carpetweed Mollugo verticillata
hairy evening primrose Oenothera villosa
hairy waterclover Marsilea vestita
heartleaf twayblade Listera cordata
hoary tansyaster Machaeranthera canescens
hooded coralroot Corallorhiza striata
hookedspur violet Viola adunca
horned pondweed Zannichellia palustris
knotsheath sedge Carex retrorsa
largeleaf sandwort Moehringia macrophylla
leathery grapefern Botrychium multifidum
lemon scurfpea Psoralidium lanceolatum
lesser wirelettuce Stephanomeria minor
little grapefern Botrychium simplex
liverleaf wintergreen Pyrola asarifolia
male fern Dryopteris filix-mas
manyflowered monkeyflower Mimulus floribundus
marsh violet Viola palustris
meadow deathcamas Zigadenus venenosus
Menzies' campion Silene menziesii
Menzies' fiddleneck Amsinckia menziesii
Mexican lovegrass Eragrostis mexicana
Mingan moonwort Botrychium minganense
mountain deathcamas Zigadenus elegans
mountain tansymustard Descurainia incana
mountain tarweed Madia glomerata
muskflower Mimulus moschatus
narrowleaf bur-reed Sparganium angustifolium
narrowleaf goosefoot Chenopodium leptophyllum
narrowleaf minerslettuce Montia linearis
neckweed Veronica peregrina
needleleaf navarretia Navarretia intertexta
nodding chickweed Cerastium nutans
nodding onion Allium cernuum
northern cluster sedge Carex arcta
northern water plantain Alisma triviale
oneflowered broomrape Orobanche uniflora
Oregon cliff fern Woodsia oregana
pale false mannagrass Torreyochloa pallida
Pennsylvania pellitory Parietaria pensylvanica
pinesap Monotropa hypopitys
povertyweed Iva axillaris
pullup muhly Muhlenbergia filiformis
red baneberry Actaea rubra
resin birch Betula glandulosa
ribseed sandmat Chamaesyce glyptosperma
Rocky Mountain woodsia Woodsia scopulina
rosy pussytoes Antennaria rosea
roundleaf sundew Drosera rotundifolia
running clubmoss Lycopodium clavatum
scentbottle Platanthera dilatata
Scouler's popcornflower Plagiobothrys scouleri
shaggy fleabane Erigeron pumilus
sidebells wintergreen Orthilia secunda
single delight Moneses uniflora
skullcap speedwell Veronica scutellata
slender bog orchid Platanthera stricta
slender phlox Microsteris gracilis
slender wedgescale Sphenopholis intermedia
small bur-reed Sparganium natans
small cranberry Vaccinium oxycoccos
snowline wintergreen Pyrola minor
spearleaf stonecrop Sedum lanceolatum
spiny phlox Phlox hoodii
spreading dogbane Apocynum androsaemifolium
spreading fleabane Erigeron divergens
starry false lily of the valley Maianthemum stellatum
summer coralroot Corallorhiza maculata
swaying bulrush Schoenoplectus subterminalis
sweetcicely Osmorhiza berteroi
tall annual willowherb Epilobium brachycarpum
tarragon Artemisia dracunculus
tiny trumpet Collomia linearis
tower rockcress Arabis glabra
trailing pearlwort Sagina decumbens
twinflower Linnaea borealis
veiny dock Rumex venosus
velvetweed Oenothera curtiflora
Virginia pepperweed Lepidium virginicum
Virginia strawberry Fragaria virginiana
water mudwort Limosella aquatica
wavyleaf thistle Cirsium undulatum
western marsh cudweed Gnaphalium palustre
western poison ivy Toxicodendron rydbergii
western rattlesnake plantain Goodyera oblongifolia
western tansymustard Descurainia pinnata
whitestem blazingstar Mentzelia albicaulis
woodbine Parthenocissus vitacea
woodland draba Draba nemorosa
woodland pinedrops Pterospora andromedea
woodland strawberry Fragaria vesca
woolly sedge Carex pellita
yellow coralroot Corallorhiza trifida

Also listed as native and introduced here 5

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.

annual ragweedAmbrosia artemisiifolia
beach strawberryFragaria chiloensis
claspleaf twistedstalkStreptopus amplexifolius
common reedPhragmites australis
Kentucky bluegrassPoa pratensis

Compared with Oregon

The typical county is the median of the 36 Oregon 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, Wasco County and Oregon
Measure	Wasco County	Typical county	Statewide
Native species	469	432	1,058
Garden-ready natives	330	311	683
Tree	51	—	87
Shrub	55	—	115
Wildflower (forb)	260	—	567
Grass or grass-like	81	—	232
Vine	7	—	18
Fern	15	—	39

Neighboring counties

Counties that share a ZIP code with Wasco County.

Jefferson County, OR 322 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: Wasco County (county FIPS 41065), Oregon. 469 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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