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
Wildflowers make up the largest share of the native list (57%), followed by grasses and grass-like plants (19%).
The native plant list
Garden-ready natives 330
Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.
| Plant | Type | Height | Light | Water use | Hardy 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 |
No garden-ready natives match these filters. Try clearing one.
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.
Hidden while “Garden-ready only” is on.
- 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.
| Measure | Umatilla County | Typical county | Statewide |
|---|---|---|---|
| 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.
- Grant County, OR 346 garden-ready
- Morrow County, OR 154 garden-ready
- Walla Walla County, WA 253 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
- 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