Native plants · Oregon

Native plants of Umatilla County

473 plant species are recorded as native to Oregon in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Umatilla 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

Umatilla County, Oregon

Native species
473 Typical Oregon county: 432 (median of 36 counties)
Garden-ready natives
330 Typical Oregon county: 311
Share by type (all 473 native species)
Percent of the 473 native species in each growth type
Tree 8% (38)
Shrub 11% (53)
Wildflower (forb) 57% (270)
Grass or grass-like 19% (91)
Vine 2% (9)
Fern 3% (12)

Wildflowers make up the largest share of the native list (57%), followed by grasses and grass-like plants (19%).

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

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

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 Umatilla County, Oregon
PlantType HeightLight Water useHardy to
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 timothy Phleum alpinum Grass or grass-like 1.4 ft Sun–part shade Medium Zone 3a
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 red raspberry Rubus idaeus Shrub 6 ft Shade-tolerant — Zone 1a
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
American water horehound Lycopus americanus Wildflower (forb) 1.8 ft Shade-tolerant High Zone 3b
Anderson's larkspur Delphinium andersonii Wildflower (forb) 2 ft Shade-tolerant Low Zone 5b
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 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 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
awlfruit sedge Carex stipata Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
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
bearded fescue Festuca subulata Grass or grass-like 1.2 ft Shade-tolerant High Zone 3b
beardless wildrye Leymus triticoides Grass or grass-like 3 ft Sun High Zone 3a
big sagebrush Artemisia tridentata Tree 4 ft Sun Medium Zone 3a
bigflower agoseris Agoseris grandiflora Wildflower (forb) 1.8 ft Sun 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
Booth's willow Salix boothii Shrub 24 ft Shade-tolerant High Zone 8b
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
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 cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
broadlipped twayblade Listera convallarioides Wildflower (forb) 1 ft Shade-tolerant High 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
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
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
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
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
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
Columbian monkshood Aconitum columbianum Wildflower (forb) 5 ft Sun–part shade High Zone 4b
common cowparsnip Heracleum maximum Wildflower (forb) 8 ft 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
cous biscuitroot Lomatium cous Wildflower (forb) 10 in Sun Low Zone 4b
cows clover Trifolium wormskioldii Wildflower (forb) 3.5 ft Sun–part shade Medium Zone 4b
creeping barberry Mahonia repens Shrub 2 ft Shade-tolerant Medium Zone 5a
curl-leaf mountain mahogany Cercocarpus ledifolius Tree 20 ft Sun–part shade Low Zone 2b
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
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
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
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
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
drooping woodreed Cinna latifolia Grass or grass-like 4.5 ft Sun–part shade High Zone 3b
dwarf bilberry Vaccinium cespitosum Shrub 1 ft Shade-tolerant High Zone 4a
dwarf purple monkeyflower Mimulus nanus Wildflower (forb) 6 in Sun Low Zone 10b
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
Eschscholtz's buttercup Ranunculus eschscholtzii Wildflower (forb) 1 ft Sun Medium Zone 4a
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
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
fowl mannagrass Glyceria striata Grass or grass-like 5.7 ft Shade-tolerant Medium Zone 3b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
freckled milkvetch Astragalus lentiginosus Shrub 1.4 ft Sun Low Zone 4b
fringed brome Bromus ciliatus Grass or grass-like 4 ft Shade-tolerant Medium Zone 7a
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's sedge Carex geyeri Grass or grass-like 1.5 ft Sun–part shade Low Zone 4b
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
giant mountain aster Canadanthus modestus Wildflower (forb) 3 ft Sun Medium Zone 3b
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 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
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
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
heartleaf bittercress Cardamine 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
Hooker's balsamroot Balsamorhiza hookeri Wildflower (forb) 1 ft Sun–part shade Medium Zone 5b
Hooker's evening primrose Oenothera elata Wildflower (forb) 5 ft Sun High Zone 5a
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
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
kinnikinnick Arctostaphylos uva-ursi Shrub 6 in Sun–part shade Low Zone 4a
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
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
Letterman's needlegrass Achnatherum lettermanii Grass or grass-like 2 ft Sun Low Zone 4b
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 sagebrush Artemisia arbuscula Shrub 2 ft Sun Low Zone 3a
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
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
longstalk starwort Stellaria longipes Wildflower (forb) 11 in Sun–part shade High Zone 4a
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
Macoun's buttercup Ranunculus macounii Wildflower (forb) 1 ft Sun — Zone 1a
maiden blue eyed Mary Collinsia parviflora Wildflower (forb) 1 ft Shade-tolerant Medium Zone 4a
mallow ninebark Physocarpus malvaceus Shrub 15 ft Sun Low Zone 4a
mat muhly Muhlenbergia richardsonis Grass or grass-like 6 in Sun High Zone 4b
meadow barley Hordeum brachyantherum Grass or grass-like 2 ft Sun Medium Zone 3a
Mertens' rush Juncus mertensianus Grass or grass-like 11 in Sun–part shade High Zone 4a
miner's lettuce Claytonia perfoliata Wildflower (forb) 1 ft Shade-tolerant Medium Zone 12b
mountain brome Bromus marginatus Grass or grass-like 4 ft Sun High Zone 4b
mountain sedge Carex scopulorum Grass or grass-like 1.3 ft Sun–part shade High Zone 3b
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 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
nettleleaf giant hyssop Agastache urticifolia Wildflower (forb) 5 ft Sun–part shade Medium Zone 4a
nineleaf biscuitroot Lomatium triternatum Wildflower (forb) 2.2 ft Sun–part shade Medium Zone 4a
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 black currant Ribes hudsonianum Shrub 5 ft Sun–part shade High 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
Nuttall's povertyweed Monolepis nuttalliana Wildflower (forb) 10 in Sun Medium Zone 12a
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 checkerbloom Sidalcea oregana Wildflower (forb) 4.5 ft Shade-tolerant High Zone 3b
Pacific aster Symphyotrichum chilense Wildflower (forb) 3.5 ft Sun–part shade 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 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
paper birch Betula papyrifera Tree 70 ft Sun High Zone 1a
peachleaf willow Salix amygdaloides Tree 60 ft Sun High Zone 4a
pearly pussytoes Antennaria anaphaloides Wildflower (forb) 2.5 ft Sun–part shade Medium Zone 4a
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
pinegrass Calamagrostis rubescens Grass or grass-like 3 ft Shade-tolerant 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
purple sage Salvia dorrii Shrub 2.5 ft Sun Medium Zone 5a
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
redstem ceanothus Ceanothus sanguineus Shrub 10 ft Sun–part shade High Zone 6a
rice cutgrass Leersia oryzoides Grass or grass-like 4.9 ft Sun High Zone 4a
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
Ross' sedge Carex rossii Grass or grass-like 1 ft Sun–part shade Medium Zone 4a
rough bentgrass Agrostis scabra Grass or grass-like 2.5 ft Sun Medium Zone 3b
rough fescue Festuca campestris Grass or grass-like 1.5 ft Sun–part shade Low Zone 3b
roundleaf alumroot Heuchera cylindrica Wildflower (forb) 6 ft Sun–part shade Low Zone 6a
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
rush pussytoes Antennaria luzuloides Wildflower (forb) 2 ft Sun Medium Zone 4a
russet buffaloberry Shepherdia canadensis Shrub 6 ft Sun–part shade Medium Zone 1a
Rydberg's penstemon Penstemon rydbergii Wildflower (forb) 3 ft Sun Low Zone 3b
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
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
salt heliotrope Heliotropium curassavicum Wildflower (forb) 1.2 ft Sun Medium Zone 4b
salt spring checkerbloom Sidalcea neomexicana Wildflower (forb) 2.5 ft Shade-tolerant High Zone 5a
saltgrass Distichlis spicata Grass or grass-like 1.1 ft Sun Medium Zone 3b
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
sharpleaf penstemon Penstemon acuminatus Wildflower (forb) 2 ft Sun Low Zone 4a
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
Siberian springbeauty Claytonia sibirica Wildflower (forb) 1.4 ft Shade-tolerant Medium Zone 3a
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
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 hairgrass Deschampsia elongata Grass or grass-like 3 ft Sun Low Zone 3b
slenderbeak sedge Carex athrostachya Grass or grass-like 2 ft Sun–part shade High Zone 4a
slimstem reedgrass Calamagrostis stricta Grass or grass-like 3 ft Sun–part shade High Zone 3a
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
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
spike bentgrass Agrostis exarata Grass or grass-like 3 ft Sun Medium Zone 3b
spiked woodrush Luzula spicata Grass or grass-like 1.3 ft Shade-tolerant High Zone 4a
spineless horsebrush Tetradymia canescens Shrub 4 ft Sun Low Zone 9a
spiny hopsage Grayia spinosa Shrub 3 ft Sun Low 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
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
streambank wild hollyhock Iliamna rivularis Wildflower (forb) 6 ft Sun–part shade Medium 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
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
tapertip hawksbeard Crepis acuminata Wildflower (forb) 3 ft Sun–part shade Low Zone 3b
tapertip onion Allium acuminatum Wildflower (forb) 1 ft Sun Low Zone 4b
tarweed fiddleneck Amsinckia lycopsoides Wildflower (forb) 3 ft Sun Low Zone 4b
teal lovegrass Eragrostis hypnoides Grass or grass-like 4 in Sun High Zone 3b
thickspike wheatgrass Elymus lanceolatus Grass or grass-like 2.3 ft Sun Low Zone 3b
thickstem aster Eurybia integrifolia Wildflower (forb) 3 ft Sun Low Zone 5a
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
threadleaf sedge Carex filifolia Grass or grass-like 1.2 ft Sun Low Zone 3b
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
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
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 bulrush Trichophorum cespitosum Grass or grass-like 1.3 ft Sun–part shade Medium Zone 3a
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
umbrella starwort Stellaria umbellata Wildflower (forb) 1 ft Shade-tolerant High Zone 4b
Utah honeysuckle Lonicera utahensis Shrub 5 ft Shade-tolerant High Zone 5a
Venus penstemon Penstemon venustus Shrub 2 ft Sun–part shade Medium Zone 5b
vernal water-starwort Callitriche palustris Wildflower (forb) 10 in Sun Medium Zone 4a
water birch Betula occidentalis Tree 25 ft Sun–part shade High Zone 1a
water horsetail Equisetum fluviatile Fern 3 ft Sun High Zone 4a
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 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 pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
western polemonium Polemonium occidentale Wildflower (forb) 3 ft Shade-tolerant High Zone 3a
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 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
whitebark raspberry Rubus leucodermis Vine 1 ft Sun Medium Zone 8a
whitestem gooseberry Ribes inerme Shrub 8 ft Shade-tolerant Medium Zone 4b
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 penstemon Penstemon confertus Wildflower (forb) 2 ft Shade-tolerant Medium Zone 5a
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
yerba mansa Anemopsis californica Wildflower (forb) 1.5 ft Sun High Zone 9b

Other native species recorded here 143

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
  • American bird's-foot trefoil Lotus unifoliolatus
  • American mannagrass Glyceria grandis
  • American yellowrocket Barbarea orthoceras
  • arroyo willow Salix lasiolepis
  • autumn dwarf gentian Gentianella amarella
  • bastard toadflax Comandra umbellata
  • Bebb willow Salix bebbiana
  • big devils beggartick Bidens vulgata
  • bigbract verbena Verbena bracteata
  • bigleaf lupine Lupinus polyphyllus
  • bigseed alfalfa dodder Cuscuta indecora
  • boreal starwort Stellaria borealis
  • brittle bladderfern Cystopteris fragilis
  • brittle pricklypear Opuntia fragilis
  • brook cinquefoil Potentilla rivalis
  • Canadian gooseberry Ribes oxyacanthoides
  • carelessweed Cyclachaena xanthiifolia
  • Carolina draba Draba reptans
  • Carolina geranium Geranium carolinianum
  • clammy hedgehyssop Gratiola neglecta
  • clasping Venus' looking-glass Triodanis perfoliata
  • common starlily Leucocrinum montanum
  • common woodrush Luzula multiflora
  • cottonbatting plant Pseudognaphalium stramineum
  • curlytop knotweed Polygonum lapathifolium
  • Douglas' knotweed Polygonum douglasii
  • Dudley's rush Juncus dudleyi
  • dutchman's breeches Dicentra cucullaria
  • elkweed Frasera speciosa
  • fairy slipper Calypso bulbosa
  • false mermaidweed Floerkea proserpinacoides
  • falsegold groundsel Packera pseudaurea
  • feathery false lily of the valley Maianthemum racemosum
  • fireberry hawthorn Crataegus chrysocarpa
  • flatspine bur ragweed Ambrosia acanthicarpa
  • flatspine stickseed Lappula occidentalis
  • foxtail barley Hordeum jubatum
  • fragrant bedstraw Galium triflorum
  • fringed willowherb Epilobium ciliatum
  • giant red Indian paintbrush Castilleja miniata
  • green carpetweed Mollugo verticillata
  • green false hellebore Veratrum viride
  • greenflowered wintergreen Pyrola chlorantha
  • 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
  • Howell's pussytoes Antennaria howellii
  • Indianpipe Monotropa uniflora
  • knotsheath sedge Carex retrorsa
  • lanceleaf figwort Scrophularia lanceolata
  • largeleaf sandwort Moehringia macrophylla
  • lemon scurfpea Psoralidium lanceolatum
  • liverleaf wintergreen Pyrola asarifolia
  • male fern Dryopteris filix-mas
  • manyflowered monkeyflower Mimulus floribundus
  • mapleleaf goosefoot Chenopodium simplex
  • marsh violet Viola palustris
  • mat sandbur Cenchrus longispinus
  • meadow deathcamas Zigadenus venenosus
  • meadow sedge Carex praticola
  • Menzies' campion Silene menziesii
  • Menzies' fiddleneck Amsinckia menziesii
  • Mingan moonwort Botrychium minganense
  • mountain tarweed Madia glomerata
  • muskflower Mimulus moschatus
  • narrowleaf goosefoot Chenopodium leptophyllum
  • narrowleaf minerslettuce Montia linearis
  • neckweed Veronica peregrina
  • needleleaf navarretia Navarretia intertexta
  • nodding chickweed Cerastium nutans
  • 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
  • pleated gentian Gentiana affinis
  • povertyweed Iva axillaris
  • pullup muhly Muhlenbergia filiformis
  • Pursh seepweed Suaeda calceoliformis
  • ram's horn Proboscidea louisianica
  • red baneberry Actaea rubra
  • ribseed sandmat Chamaesyce glyptosperma
  • Rocky Mountain rush Juncus saximontanus
  • rosy pussytoes Antennaria rosea
  • roughfruit fairybells Prosartes trachycarpa
  • rusty lupine Lupinus pusillus
  • sanddune cryptantha Cryptantha fendleri
  • scentbottle Platanthera dilatata
  • Scouler's popcornflower Plagiobothrys scouleri
  • shaggy fleabane Erigeron pumilus
  • sidebells wintergreen Orthilia secunda
  • single delight Moneses uniflora
  • slender bog orchid Platanthera stricta
  • slender phlox Microsteris gracilis
  • slender-spire orchid Piperia unalascensis
  • snowline wintergreen Pyrola minor
  • spearleaf stonecrop Sedum lanceolatum
  • spiny milkvetch Astragalus kentrophyta
  • spiny phlox Phlox hoodii
  • spotted fritillary Fritillaria atropurpurea
  • spreading dogbane Apocynum androsaemifolium
  • spreading fleabane Erigeron divergens
  • starry false lily of the valley Maianthemum stellatum
  • stream orchid Epipactis gigantea
  • summer coralroot Corallorhiza maculata
  • swamp verbena Verbena hastata
  • sweetcicely Osmorhiza berteroi
  • tall annual willowherb Epilobium brachycarpum
  • tarragon Artemisia dracunculus
  • tiny trumpet Collomia linearis
  • tower rockcress Arabis glabra
  • turion duckweed Lemna turionifera
  • twinflower Linnaea borealis
  • veiny dock Rumex venosus
  • veiny meadow-rue Thalictrum venulosum
  • velvetweed Oenothera curtiflora
  • Virginia pepperweed Lepidium virginicum
  • Virginia strawberry Fragaria virginiana
  • water mudwort Limosella aquatica
  • water pygmyweed Crassula aquatica
  • wavyleaf thistle Cirsium undulatum
  • western blue virginsbower Clematis occidentalis
  • western marsh cudweed Gnaphalium palustre
  • western oakfern Gymnocarpium dryopteris
  • western poison ivy Toxicodendron rydbergii
  • western rattlesnake plantain Goodyera oblongifolia
  • western tansymustard Descurainia pinnata
  • white heath aster Symphyotrichum ericoides
  • 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
  • yellow water buttercup Ranunculus flabellaris
  • yellowseed false pimpernel Lindernia dubia
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
  • bride's feathersAruncus dioicus
  • claspleaf twistedstalkStreptopus amplexifolius
  • Kentucky bluegrassPoa pratensis
  • white sagebrushArtemisia ludoviciana

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, Umatilla County and Oregon
MeasureUmatilla CountyTypical countyStatewide
Native species 473 432 1,058
Garden-ready natives 330 311 683
Tree 38 — 87
Shrub 53 — 115
Wildflower (forb) 270 — 567
Grass or grass-like 91 — 232
Vine 9 — 18
Fern 12 — 39

Neighboring counties

Counties that share a ZIP code with Umatilla 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
Umatilla County (county FIPS 41059), Oregon. 473 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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