Natives by ZIP

Native plants recorded in your state and county

Native plants · Oregon

Native plants of Multnomah County

423 plant species are recorded as native to Oregon in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Multnomah County by USDA PLANTS. 277 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 7 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Multnomah County, Oregon

Native species
423 Typical Oregon county: 432 (median of 36 counties)
Garden-ready natives
277 Typical Oregon county: 311
Share by type (all 423 native species)
Percent of the 423 native species in each growth type
Tree 12% (49)
Shrub 9% (37)
Wildflower (forb) 54% (228)
Grass or grass-like 19% (80)
Vine 2% (9)
Fern 5% (20)

Wildflowers make up the largest share of the native list (54%), 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 8b to 9a (2023 map).

The native plant list

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

Garden-ready natives 277

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

Garden-ready native plants of Multnomah 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 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 pokeweed Phytolacca americana Wildflower (forb) 7.3 ft Shade-tolerant Medium Zone 4a
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
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
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
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
beardless wildrye Leymus triticoides Grass or grass-like 3 ft Sun High Zone 3a
big deervetch Lotus crassifolius Wildflower (forb) 3.5 ft Sun Medium Zone 7a
bigflower agoseris Agoseris grandiflora Wildflower (forb) 1.8 ft Sun Medium Zone 6a
bigleaf maple Acer macrophyllum Tree 60 ft Sun–part shade Medium Zone 6a
bitter cherry Prunus emarginata Tree 80 ft Sun Medium Zone 5a
black hawthorn Crataegus douglasii Tree 15 ft Sun–part shade High Zone 2b
blanketflower Gaillardia aristata Wildflower (forb) 2 ft Sun Medium Zone 4a
blue wildrye Elymus glaucus Grass or grass-like 3.3 ft Shade-tolerant Low Zone 3b
bluejoint Calamagrostis canadensis Grass or grass-like 4.9 ft Sun Medium Zone 4a
blunt spikerush Eleocharis obtusa Grass or grass-like 1.6 ft Sun Medium Zone 11a
bog blueberry Vaccinium uliginosum Shrub 2 ft Sun–part shade Medium Zone 3b
bristlystalked sedge Carex leptalea Grass or grass-like 1.5 ft Shade-tolerant 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
broadleaf lupine Lupinus latifolius Wildflower (forb) 25 ft Shade-tolerant High Zone 5b
broom sedge Carex scoparia Grass or grass-like 2.5 ft Shade-tolerant High Zone 3b
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 fescue Festuca californica Grass or grass-like 4 ft Sun Medium Zone 8a
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
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
cliff dwarf-primrose Douglasia laevigata Wildflower (forb) 2 in Sun–part shade Medium Zone 6a
cloaked bulrush Scirpus pallidus Grass or grass-like 5 ft Sun Medium Zone 3b
cluster rose Rosa pisocarpa Shrub 3 ft Sun — Zone 5a
Columbia brome Bromus vulgaris Grass or grass-like 1 ft Shade-tolerant Low Zone 5a
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 evening primrose Oenothera biennis Wildflower (forb) 5 ft Sun Medium Zone 4b
common juniper Juniperus communis Tree 10 ft Sun Low Zone 3a
common rush Juncus effusus Grass or grass-like 6.6 ft Sun Medium Zone 3b
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
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
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
deer fern Blechnum spicant Fern 3.5 ft Sun–part shade High Zone 6b
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
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
drooping woodreed Cinna latifolia Grass or grass-like 4.5 ft Sun–part shade High Zone 3b
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
fiddleleaf hawksbeard Crepis runcinata Wildflower (forb) 1 ft Sun Medium Zone 3b
field horsetail Equisetum arvense Fern 11 in Sun–part shade High Zone 3a
fireweed Chamerion angustifolium Wildflower (forb) 5.5 ft Sun–part shade High Zone 3b
fowl bluegrass Poa palustris Grass or grass-like 4 ft Sun–part shade Medium Zone 3b
fowl mannagrass Glyceria striata Grass or grass-like 5.7 ft Shade-tolerant Medium Zone 3b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
fringed brome Bromus ciliatus Grass or grass-like 4 ft Shade-tolerant Medium Zone 7a
Gardner's yampah Perideridia gairdneri Wildflower (forb) 4 ft Shade-tolerant High Zone 5b
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
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 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
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
hardstem bulrush Schoenoplectus acutus Grass or grass-like 9.8 ft Sun High Zone 3b
harsh Indian paintbrush Castilleja hispida Wildflower (forb) 1.5 ft Sun Low Zone 5a
Henderson's sedge Carex hendersonii Grass or grass-like 3 ft Shade-tolerant Medium Zone 6b
hollyleaved barberry Mahonia aquifolium Shrub 8 ft Shade-tolerant Low Zone 3a
hooded lady's tresses Spiranthes romanzoffiana Wildflower (forb) 2.5 ft Sun–part shade High Zone 3b
Idaho blue-eyed grass Sisyrinchium idahoense Wildflower (forb) 1.7 ft Shade-tolerant High Zone 3b
Indian plum Oemleria cerasiformis Tree 5 ft Sun–part shade — Zone 10a
jointleaf rush Juncus articulatus Grass or grass-like 2 ft Sun–part shade High Zone 4b
kinnikinnick Arctostaphylos uva-ursi Shrub 6 in Sun–part shade Low Zone 4a
knotgrass Paspalum distichum Grass or grass-like 11 in Sun High Zone 6a
lambstongue ragwort Senecio integerrimus Wildflower (forb) 1.1 ft Sun–part shade Medium Zone 3b
largeflower triteleia Triteleia grandiflora Wildflower (forb) 2 ft Sun–part shade Medium Zone 4a
largeleaf avens Geum macrophyllum Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4a
leafy pea Lathyrus polyphyllus Vine 2.7 ft Sun–part shade Medium Zone 7b
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
livid sedge Carex livida Grass or grass-like 1 ft Sun — Zone 1a
lodgepole pine Pinus contorta Tree 99 ft Sun Medium Zone 1a
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
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
Lyall's angelica Angelica arguta Wildflower (forb) 6 ft Sun–part shade High Zone 5b
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
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
mallow ninebark Physocarpus malvaceus Shrub 15 ft Sun Low Zone 4a
marsh seedbox Ludwigia palustris Wildflower (forb) 2 in Sun High 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' sedge Carex mertensii Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 4b
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 hemlock Tsuga mertensiana Tree 125 ft Shade-tolerant High Zone 5b
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
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
nodding waternymph Najas flexilis Wildflower (forb) 2.5 ft Sun–part shade High Zone 12a
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
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
oceanspray Holodiscus discolor Shrub 12 ft Sun High Zone 8a
Oregon ash Fraxinus latifolia Tree 70 ft Sun–part shade Medium Zone 6b
Oregon bedstraw Galium oreganum Wildflower (forb) 1 ft Shade-tolerant Low Zone 6a
Oregon crab apple Malus fusca Tree 15 ft Sun–part shade — Zone 10a
Oregon geranium Geranium oreganum Wildflower (forb) 3 ft Shade-tolerant High Zone 8a
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 bleeding heart Dicentra formosa Wildflower (forb) 1.5 ft Shade-tolerant Low Zone 5a
Pacific dogwood Cornus nuttallii Tree 50 ft Shade-tolerant Medium Zone 4b
Pacific lupine Lupinus lepidus Wildflower (forb) 6 ft Sun Low Zone 5b
Pacific madrone Arbutus menziesii Tree 80 ft Sun–part shade Low Zone 8b
Pacific ninebark Physocarpus capitatus Shrub 8 ft Sun Low Zone 4a
Pacific rhododendron Rhododendron macrophyllum Tree 15 ft Sun–part shade High Zone 8a
Pacific silver fir Abies amabilis Tree 165 ft Shade-tolerant Medium Zone 4b
Pacific yew Taxus brevifolia Tree 40 ft Shade-tolerant Low Zone 5b
pale 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
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
ponderosa pine Pinus ponderosa Tree 223 ft Sun Medium Zone 3b
Port Orford cedar Chamaecyparis lawsoniana Tree 200 ft Shade-tolerant Medium Zone 6a
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
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
prostrate ceanothus Ceanothus prostratus Shrub 6 in Shade-tolerant Low 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
rayless arnica Arnica ×diversifolia Wildflower (forb) 1.3 ft Sun–part shade High Zone 5a
red alder Alnus rubra Tree 90 ft Sun High Zone 5a
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
red huckleberry Vaccinium parvifolium Shrub 12 ft Shade-tolerant Low Zone 6a
redflower currant Ribes sanguineum Shrub 12 ft Sun–part shade Medium Zone 8a
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
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
redwood Sequoia sempervirens Tree 250 ft Shade-tolerant Medium Zone 8a
reed canarygrass Phalaris arundinacea Grass or grass-like 5 ft Sun High Zone 3b
ribbonleaf pondweed Potamogeton epihydrus Wildflower (forb) — Sun High Zone 4a
rice cutgrass Leersia oryzoides Grass or grass-like 4.9 ft Sun High Zone 4a
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
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
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
salal Gaultheria shallon Shrub 6 ft Shade-tolerant High Zone 8a
salmonberry Rubus spectabilis Vine 12 ft Sun–part shade Medium Zone 4a
salt heliotrope Heliotropium curassavicum Wildflower (forb) 1.2 ft Sun Medium Zone 4b
Sandberg bluegrass Poa secunda Grass or grass-like 1.4 ft Sun–part shade Low Zone 3b
sanddune wallflower Erysimum capitatum Wildflower (forb) 2.5 ft Sun Medium Zone 4b
Saskatoon serviceberry Amelanchier alnifolia Tree 15 ft Sun–part shade Medium Zone 1a
Scouler's 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
seashore bentgrass Agrostis pallens Grass or grass-like 2 ft Sun–part shade High Zone 5a
seep monkeyflower Mimulus guttatus Wildflower (forb) 2.5 ft Shade-tolerant High Zone 3b
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
Siberian springbeauty Claytonia sibirica Wildflower (forb) 1.4 ft Shade-tolerant Medium Zone 3a
sicklekeel lupine Lupinus albicaulis Wildflower (forb) 3 ft Sun Medium Zone 12a
Sierra fumewort Corydalis caseana Wildflower (forb) 3 ft Shade-tolerant Medium Zone 2b
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
silverweed cinquefoil Argentina anserina Wildflower (forb) 6 in Shade-tolerant High Zone 5a
Sitka spruce Picea sitchensis Tree 200 ft Shade-tolerant Medium Zone 4a
Sitka willow Salix sitchensis Tree 23 ft Sun High Zone 5b
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
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
slough sedge Carex obnupta Grass or grass-like 3 ft Sun–part shade High Zone 7a
small camas Camassia quamash Wildflower (forb) 2.3 ft Shade-tolerant High Zone 4b
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
smallflowered woodrush Luzula parviflora Grass or grass-like 2 ft Shade-tolerant High Zone 4a
smallwing sedge Carex microptera Grass or grass-like 2 ft Sun High Zone 4a
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
spreading phlox Phlox diffusa Wildflower (forb) 6 in Shade-tolerant Low Zone 6a
squashberry Viburnum edule Shrub 2 ft Shade-tolerant — Zone 1a
star duckweed Lemna trisulca Wildflower (forb) 4 in Sun High Zone 3b
sticky cinquefoil Potentilla glandulosa Wildflower (forb) 1.5 ft Sun–part shade Low Zone 4a
stiff clubmoss Lycopodium annotinum Fern 1 ft Shade-tolerant High Zone 3a
streambank wild hollyhock Iliamna rivularis Wildflower (forb) 6 ft Sun–part shade Medium Zone 4a
swamp smartweed Polygonum hydropiperoides Wildflower (forb) — Sun Medium Zone 10b
sweetgale Myrica gale Shrub 6 ft Shade-tolerant Medium Zone 4a
swordleaf rush Juncus ensifolius Grass or grass-like 2 ft Sun–part shade High Zone 3b
tall hairy agrimony Agrimonia gryposepala Wildflower (forb) 5.9 ft Sun–part shade Medium Zone 3a
tall trisetum Trisetum canescens Grass or grass-like 3.5 ft Sun–part shade Medium Zone 4a
tapertip onion Allium acuminatum Wildflower (forb) 1 ft Sun Low Zone 4b
tapertip rush Juncus acuminatus Grass or grass-like 3 ft Sun–part shade High Zone 4a
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
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
three-way sedge Dulichium arundinaceum Grass or grass-like 2.6 ft Sun–part shade High Zone 3b
threelobe beggarticks Bidens tripartita Wildflower (forb) 3.5 ft Sun–part shade High Zone 12a
threepetal bedstraw Galium trifidum Vine 10 in Sun–part shade High Zone 3b
Tilesius' wormwood Artemisia tilesii Wildflower (forb) 36 ft Shade-tolerant Medium Zone 1a
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
Torrey's rush Juncus torreyi Grass or grass-like 3.1 ft Sun Medium Zone 3b
toughleaf iris Iris tenax Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 6a
twinberry honeysuckle Lonicera involucrata Shrub 10 ft Shade-tolerant High Zone 3a
twoheaded water-starwort Callitriche heterophylla Wildflower (forb) — Sun High Zone 4a
vernal water-starwort Callitriche palustris Wildflower (forb) 10 in Sun Medium Zone 4a
vine maple Acer circinatum Tree 20 ft Shade-tolerant Medium Zone 6a
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
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 pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
western redcedar Thuja plicata Tree 150 ft Shade-tolerant Medium Zone 4a
western sweetroot Osmorhiza occidentalis Wildflower (forb) 4 ft Shade-tolerant Medium Zone 3b
western swordfern Polystichum munitum Fern 3.5 ft Shade-tolerant High Zone 4a
western water hemlock Cicuta douglasii Wildflower (forb) 6 ft Sun High Zone 4b
western waterleaf Hydrophyllum occidentale Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 5b
western white clematis Clematis ligusticifolia Vine 1 ft Sun–part shade Medium Zone 3b
Wheeler bluegrass Poa nervosa Grass or grass-like 1.8 ft Sun Medium Zone 5b
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
woodrush sedge Carex luzulina Grass or grass-like 2 ft Sun High Zone 4a
woolgrass Scirpus cyperinus Grass or grass-like 4.9 ft Sun–part shade High Zone 4a
yellow marsh marigold Caltha palustris Wildflower (forb) 2 ft Sun High Zone 3b

Other native species recorded here 146

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 black nightshade Solanum americanum
  • American rockbrake Cryptogramma acrostichoides
  • American wild carrot Daucus pusillus
  • American yellowrocket Barbarea orthoceras
  • arroyo willow Salix lasiolepis
  • bay forget-me-not Myosotis laxa
  • bearded flatsedge Cyperus squarrosus
  • Bicknell's cranesbill Geranium bicknellii
  • big devils beggartick Bidens vulgata
  • bigbract verbena Verbena bracteata
  • bigleaf lupine Lupinus polyphyllus
  • blue skullcap Scutellaria lateriflora
  • bluntleaf yellowcress Rorippa curvipes
  • bog willow Salix pedicellaris
  • bog yellowcress Rorippa palustris
  • boreal starwort Stellaria borealis
  • brittle bladderfern Cystopteris fragilis
  • brook cinquefoil Potentilla rivalis
  • Canada lettuce Lactuca canadensis
  • Carolina geranium Geranium carolinianum
  • chaffweed Anagallis minima
  • chairmaker's bulrush Schoenoplectus americanus
  • clammy hedgehyssop Gratiola neglecta
  • clasping Venus' looking-glass Triodanis perfoliata
  • Columbian watermeal Wolffia columbiana
  • common woodrush Luzula multiflora
  • cottonbatting plant Pseudognaphalium stramineum
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf nightshade Solanum triflorum
  • ditch rabbitsfoot grass Polypogon interruptus
  • Douglas' knotweed Polygonum douglasii
  • dune willow Salix hookeriana
  • dutchman's breeches Dicentra cucullaria
  • eastern daisy fleabane Erigeron annuus
  • Equisetum ×ferrissii Equisetum ×ferrissii
  • European bur-reed Sparganium emersum
  • fairy slipper Calypso bulbosa
  • false mermaidweed Floerkea proserpinacoides
  • feathery false lily of the valley Maianthemum racemosum
  • floating marshpennywort Hydrocotyle ranunculoides
  • foxtail barley Hordeum jubatum
  • fragrant bedstraw Galium triflorum
  • fringed loosestrife Lysimachia ciliata
  • fringed willowherb Epilobium ciliatum
  • giant red Indian paintbrush Castilleja miniata
  • grand redstem Ammannia robusta
  • grassleaf mudplantain Heteranthera dubia
  • green carpetweed Mollugo verticillata
  • green false hellebore Veratrum viride
  • greenflowered wintergreen Pyrola chlorantha
  • groundcedar Lycopodium complanatum
  • hairy evening primrose Oenothera villosa
  • hairy waterclover Marsilea vestita
  • heartleaf twayblade Listera cordata
  • hemlock waterparsnip Sium suave
  • hooded coralroot Corallorhiza striata
  • hookedspur violet Viola adunca
  • horned pondweed Zannichellia palustris
  • Howell's pussytoes Antennaria howellii
  • Indianpipe Monotropa uniflora
  • inundated clubmoss Lycopodiella inundata
  • knotsheath sedge Carex retrorsa
  • lanceleaf figwort Scrophularia lanceolata
  • largeleaf sandwort Moehringia macrophylla
  • lemon scurfpea Psoralidium lanceolatum
  • liverleaf wintergreen Pyrola asarifolia
  • lowland rotala Rotala ramosior
  • maidenhair spleenwort Asplenium trichomanes
  • manyflowered monkeyflower Mimulus floribundus
  • marsh bristlegrass Setaria parviflora
  • mat sandbur Cenchrus longispinus
  • meadow zizia Zizia aptera
  • Menzies' fiddleneck Amsinckia menziesii
  • Mexican lovegrass Eragrostis mexicana
  • Mexican Mosquito Fern Azolla microphylla
  • milkflower willowherb Epilobium lactiflorum
  • mountain tansymustard Descurainia incana
  • muskflower Mimulus moschatus
  • narrowleaf goosefoot Chenopodium leptophyllum
  • narrowleaf minerslettuce Montia linearis
  • neckweed Veronica peregrina
  • nodding chickweed Cerastium nutans
  • nodding onion Allium cernuum
  • northern cluster sedge Carex arcta
  • northern sweetgrass Hierochloe hirta
  • northern water plantain Alisma triviale
  • Norwegian cinquefoil Potentilla norvegica
  • oneflowered broomrape Orobanche uniflora
  • Oregon cliff fern Woodsia oregana
  • pale false mannagrass Torreyochloa pallida
  • pinesap Monotropa hypopitys
  • povertyweed Iva axillaris
  • prairie plantain Plantago elongata
  • ram's horn Proboscidea louisianica
  • rannoch-rush Scheuchzeria palustris
  • red baneberry Actaea rubra
  • resin birch Betula glandulosa
  • ribseed sandmat Chamaesyce glyptosperma
  • Richardson's pondweed Potamogeton richardsonii
  • Rocky Mountain goosefoot Chenopodium salinum
  • Rocky Mountain woodsia Woodsia scopulina
  • roundleaf sundew Drosera rotundifolia
  • running clubmoss Lycopodium clavatum
  • salt sandspurry Spergularia salina
  • scentbottle Platanthera dilatata
  • Scouler's popcornflower Plagiobothrys scouleri
  • skullcap speedwell Veronica scutellata
  • sleepy silene Silene antirrhina
  • slender bog orchid Platanthera stricta
  • slender phlox Microsteris gracilis
  • slender-spire orchid Piperia unalascensis
  • southwestern waterwort Elatine rubella
  • spinulose woodfern Dryopteris carthusiana
  • spreading dogbane Apocynum androsaemifolium
  • spring forget-me-not Myosotis verna
  • starry false lily of the valley Maianthemum stellatum
  • summer coralroot Corallorhiza maculata
  • swamp verbena Verbena hastata
  • sweetcicely Osmorhiza berteroi
  • swollen duckweed Lemna gibba
  • tall annual willowherb Epilobium brachycarpum
  • tall blue lettuce Lactuca biennis
  • tarragon Artemisia dracunculus
  • tasselflower brickellbush Brickellia grandiflora
  • Texas bergia Bergia texana
  • tower rockcress Arabis glabra
  • trailing pearlwort Sagina decumbens
  • tufted lovegrass Eragrostis pectinacea
  • twinflower Linnaea borealis
  • twistedstalk Streptopus lanceolatus
  • verrucose seapurslane Sesuvium verrucosum
  • Virginia pepperweed Lepidium virginicum
  • Virginia strawberry Fragaria virginiana
  • water mudwort Limosella aquatica
  • water pygmyweed Crassula aquatica
  • western marsh cudweed Gnaphalium palustre
  • western oakfern Gymnocarpium dryopteris
  • western rattlesnake plantain Goodyera oblongifolia
  • western tansymustard Descurainia pinnata
  • western waterweed Elodea nuttallii
  • wild cucumber Echinocystis lobata
  • witchgrass Panicum capillare
  • woodland strawberry Fragaria vesca
  • yellowseed false pimpernel Lindernia dubia
Also listed as native and introduced here 7

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

  • beach strawberryFragaria chiloensis
  • biennial wormwoodArtemisia biennis
  • bride's feathersAruncus dioicus
  • claspleaf twistedstalkStreptopus amplexifolius
  • hedge false bindweedCalystegia sepium
  • Kentucky bluegrassPoa pratensis
  • wood bluegrassPoa nemoralis

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, Multnomah County and Oregon
MeasureMultnomah CountyTypical countyStatewide
Native species 423 432 1,058
Garden-ready natives 277 311 683
Tree 49 — 87
Shrub 37 — 115
Wildflower (forb) 228 — 567
Grass or grass-like 80 — 232
Vine 9 — 18
Fern 20 — 39

Neighboring counties

Counties that share a ZIP code with Multnomah 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
Multnomah County (county FIPS 41051), Oregon. 423 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
Method
A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources

Independent reference site. No government affiliation or endorsement.