Native plants · Oregon

Native plants of Klamath County

593 plant species are recorded as native to Oregon in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Klamath County by USDA PLANTS. 426 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 3 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Klamath County, Oregon

Native species: 593 Typical Oregon county: 432 (median of 36 counties)
Garden-ready natives: 426 Typical Oregon county: 311
Share by type (all 593 native species): Percent of the 593 native species in each growth type

Tree 9% (55)
Shrub 11% (65)
Wildflower (forb) 56% (334)
Grass or grass-like 20% (119)
Vine 1% (7)
Fern 2% (13)

Wildflowers make up the largest share of the native list (56%), followed by grasses and grass-like plants (20%).

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 6a to 7a (2023 map).

The native plant list

Garden-ready natives 426

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

Garden-ready native plants of Klamath County, Oregon
Plant	Type	Height	Light	Water use	Hardy to
Alaska oniongrass Melica subulata	Grass or grass-like	3.3 ft	Shade-tolerant	Medium	Zone 4a
alderleaf buckthorn Rhamnus alnifolia	Shrub	3 ft	Shade-tolerant	High	Zone 4a
alkali buttercup Ranunculus cymbalaria	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 3b
alkali cordgrass Spartina gracilis	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
alpine laurel Kalmia microphylla	Shrub	1 ft	Shade-tolerant	Medium	Zone 4b
alpine leafybract aster Symphyotrichum foliaceum	Wildflower (forb)	2 ft	Sun	Medium	Zone 3b
alpine mountainsorrel Oxyria digyna	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 3a
alpine timothy Phleum alpinum	Grass or grass-like	1.4 ft	Sun–part shade	Medium	Zone 3a
American alpine speedwell Veronica wormskjoldii	Wildflower (forb)	1 ft	Sun–part shade	High	Zone 4b
American bistort Polygonum bistortoides	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
American speedwell Veronica americana	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 3b
American vetch Vicia americana	Vine	1.3 ft	Sun	Low	Zone 3b
analogue sedge Carex simulata	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
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
arumleaf arrowhead Sagittaria cuneata	Wildflower (forb)	2.6 ft	Sun	Medium	Zone 4a
awl-leaf lilaea Lilaea scilloides	Grass or grass-like	10 in	Shade-tolerant	High	Zone 12b
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
beach pea Lathyrus japonicus	Vine	1.5 ft	Sun–part shade	Medium	Zone 4a
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
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
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
bluntseed sweetroot Osmorhiza depauperata	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
bog birch Betula pumila	Shrub	20 ft	Sun	Medium	Zone 3b
bog blueberry Vaccinium uliginosum	Shrub	2 ft	Sun–part shade	Medium	Zone 3b
Booth's willow Salix boothii	Shrub	24 ft	Shade-tolerant	High	Zone 8b
boraxweed Nitrophila occidentalis	Wildflower (forb)	1 ft	Sun	Medium	Zone 6a
bristlystalked sedge Carex leptalea	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 4a
broadfruit bur-reed Sparganium eurycarpum	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
broadleaf arnica Arnica latifolia	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
broadleaf 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
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
buckbean Menyanthes trifoliata	Wildflower (forb)	10 in	Sun–part shade	High	Zone 4a
buckbrush Ceanothus cuneatus	Shrub	11 ft	Sun	Medium	Zone 6a
bush chinquapin Chrysolepis sempervirens	Shrub	7 ft	Shade-tolerant	Low	Zone 6b
California amaranth Amaranthus californicus	Wildflower (forb)	1 ft	Sun	Medium	Zone 7a
California black oak Quercus kelloggii	Tree	85 ft	Sun	Medium	Zone 7a
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 buckthorn Frangula californica	Tree	5 ft	Sun	Medium	Zone 8a
California damsonium Damasonium californicum	Wildflower (forb)	1.5 ft	Sun	High	Zone 5a
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
California red fir Abies magnifica	Tree	150 ft	Shade-tolerant	Medium	Zone 5a
California wax myrtle Morella californica	Tree	33 ft	Sun	Medium	Zone 9b
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian milkvetch Astragalus canadensis	Wildflower (forb)	6 in	Sun	Medium	Zone 3b
Canadian waterweed Elodea canadensis	Wildflower (forb)	—	Sun	High	Zone 4a
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 arnica Arnica chamissonis	Wildflower (forb)	2.5 ft	Sun–part shade	High	Zone 4a
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
coastal monkeyflower Mimulus dentatus	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 7b
Colorado rush Juncus confusus	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
Columbia brome Bromus vulgaris	Grass or grass-like	1 ft	Shade-tolerant	Low	Zone 5a
Columbian monkshood Aconitum columbianum	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 4b
Columbian sedge Carex aperta	Grass or grass-like	2 ft	Sun	High	Zone 5b
common beargrass Xerophyllum tenax	Wildflower (forb)	5 ft	Sun–part shade	Low	Zone 8a
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common juniper Juniperus communis	Tree	10 ft	Sun	Low	Zone 3a
common mare's-tail Hippuris vulgaris	Wildflower (forb)	2.8 ft	Sun	High	Zone 3b
common reed Phragmites australis	Shrub	13 ft	Sun	Medium	Zone 3b
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
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
cosmopolitan bulrush Bolboschoenus maritimus	Grass or grass-like	3.2 ft	Sun	Medium	Zone 5a
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
Crater Lake currant Ribes erythrocarpum	Shrub	6 ft	Sun–part shade	High	Zone 5b
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 milkvetch Astragalus curvicarpus	Wildflower (forb)	5 in	Sun	Low	Zone 5a
curvepod yellowcress Rorippa curvisiliqua	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 12b
cutleaf daisy Erigeron compositus	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
darkthroat shootingstar Dodecatheon pulchellum	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 4a
Davis' knotweed Polygonum davisiae	Wildflower (forb)	1.3 ft	Sun–part shade	Low	Zone 5a
deerbrush Ceanothus integerrimus	Shrub	13 ft	Sun	Low	Zone 6a
desert centaury Centaurium exaltatum	Wildflower (forb)	1.5 ft	Sun	Medium	Zone 12b
desert sweet Chamaebatiaria millefolium	Shrub	6 ft	Sun	Low	Zone 5a
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
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
doublehorn calicoflower Downingia bicornuta	Wildflower (forb)	10 in	Sun	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' 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
Drummond's rockcress Arabis drummondii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
Drummond's rush Juncus drummondii	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
dwarf bilberry Vaccinium cespitosum	Shrub	1 ft	Shade-tolerant	High	Zone 4a
dwarf purple monkeyflower Mimulus nanus	Wildflower (forb)	6 in	Sun	Low	Zone 10b
dwarf rose Rosa gymnocarpa	Shrub	3 ft	Shade-tolerant	Medium	Zone 5b
Eaton's fleabane Erigeron eatonii	Wildflower (forb)	10 in	Sun	Low	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
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
flat-top pussytoes Antennaria corymbosa	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 5b
floating pondweed Potamogeton natans	Wildflower (forb)	—	Sun	High	Zone 3b
foothill deathcamas Zigadenus paniculatus	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 4a
fowl bluegrass Poa palustris	Grass or grass-like	4 ft	Sun–part shade	Medium	Zone 3b
fowl mannagrass Glyceria striata	Grass or grass-like	5.7 ft	Shade-tolerant	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
fringed grass of Parnassus Parnassia fimbriata	Wildflower (forb)	1.2 ft	Sun–part shade	High	Zone 4b
Gardner's yampah Perideridia gairdneri	Wildflower (forb)	4 ft	Shade-tolerant	High	Zone 5b
Geyer willow Salix geyeriana	Tree	15 ft	Shade-tolerant	High	Zone 3b
giant chinquapin Chrysolepis chrysophylla	Tree	100 ft	Shade-tolerant	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
gooseberry currant Ribes montigenum	Shrub	1 ft	Sun–part shade	Medium	Zone 7a
grand fir Abies grandis	Tree	150 ft	Shade-tolerant	Medium	Zone 4a
granite prickly phlox Linanthus pungens	Wildflower (forb)	2 ft	Shade-tolerant	Low	Zone 4a
gray alder Alnus incana	Tree	25 ft	Sun–part shade	High	Zone 4a
greasewood Sarcobatus vermiculatus	Shrub	10 ft	Sun	Low	Zone 3b
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
greenleaf manzanita Arctostaphylos patula	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
grouse whortleberry Vaccinium scoparium	Shrub	2 ft	Shade-tolerant	Medium	Zone 6a
hairy arnica Arnica mollis	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
Hall's sedge Carex halliana	Grass or grass-like	2.5 ft	Sun	Medium	Zone 4a
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
heartleaf arnica Arnica cordifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4b
hollyleaved barberry Mahonia aquifolium	Shrub	8 ft	Shade-tolerant	Low	Zone 3a
hooded lady's tresses Spiranthes romanzoffiana	Wildflower (forb)	2.5 ft	Sun–part shade	High	Zone 3b
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
incense cedar Calocedrus decurrens	Tree	100 ft	Sun–part shade	Low	Zone 4b
Indian ricegrass Achnatherum hymenoides	Grass or grass-like	2 ft	Sun	Low	Zone 3a
King's sandwort Arenaria kingii	Wildflower (forb)	8 in	Sun	Low	Zone 4b
Klamath plum Prunus subcordata	Tree	25 ft	Sun	Low	Zone 4b
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 hawksbeard Crepis occidentalis	Wildflower (forb)	11 in	Sun	Low	Zone 5a
largeflower triteleia Triteleia grandiflora	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 4a
largehead clover Trifolium macrocephalum	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12b
largeleaf avens Geum macrophyllum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
leafy pea Lathyrus polyphyllus	Vine	2.7 ft	Sun–part shade	Medium	Zone 7b
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
Lemmon's needlegrass Achnatherum lemmonii	Grass or grass-like	3 ft	Sun	Low	Zone 4b
Lemmon's willow Salix lemmonii	Shrub	14 ft	Sun–part shade	High	Zone 4b
lesser bladderwort Utricularia minor	Wildflower (forb)	2 in	Sun	High	Zone 3a
Lewis flax Linum lewisii	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 3b
Lewis' mock orange Philadelphus lewisii	Shrub	12 ft	Sun	Low	Zone 8a
little sagebrush Artemisia arbuscula	Shrub	2 ft	Sun	Low	Zone 3a
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
marsh bluegrass Poa leptocoma	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
marumleaf buckwheat Eriogonum marifolium	Wildflower (forb)	10 in	Sun	Low	Zone 5b
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
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 blue penstemon Penstemon laetus	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 8b
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
mountain pepperweed Lepidium montanum	Wildflower (forb)	10 in	Sun–part shade	Low	Zone 4a
mountain sedge Carex scopulorum	Grass or grass-like	1.3 ft	Sun–part shade	High	Zone 3b
mud sedge Carex limosa	Grass or grass-like	1.8 ft	Sun	Medium	Zone 4a
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
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
northern bedstraw Galium boreale	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
northern water-starwort Callitriche hermaphroditica	Wildflower (forb)	—	Sun	High	Zone 4a
Northwest Territory sedge Carex utriculata	Grass or grass-like	3.5 ft	Sun	High	Zone 3a
Nuttall's alkaligrass Puccinellia nuttalliana	Grass or grass-like	10 in	Sun	Medium	Zone 3b
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
onespike danthonia Danthonia unispicata	Grass or grass-like	10 in	Sun	Low	Zone 4b
orange agoseris Agoseris aurantiaca	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
Oregon ash Fraxinus latifolia	Tree	70 ft	Sun–part shade	Medium	Zone 6b
Oregon bedstraw Galium oreganum	Wildflower (forb)	1 ft	Shade-tolerant	Low	Zone 6a
Oregon checkerbloom Sidalcea oregana	Wildflower (forb)	4.5 ft	Shade-tolerant	High	Zone 3b
Oregon 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 onion Allium validum	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 5b
Pacific rhododendron Rhododendron macrophyllum	Tree	15 ft	Sun–part shade	High	Zone 8a
Pacific yew Taxus brevifolia	Tree	40 ft	Shade-tolerant	Low	Zone 5b
pale agoseris Agoseris glauca	Shrub	1 ft	Sun	Medium	Zone 4a
pale yellow lupine Lupinus luteolus	Wildflower (forb)	2.9 ft	Sun–part shade	Medium	Zone 12b
panicled bulrush Scirpus microcarpus	Grass or grass-like	5.5 ft	Sun	Medium	Zone 3b
Parry's rush Juncus parryi	Grass or grass-like	1 ft	Sun–part shade	Low	Zone 4a
peachleaf willow Salix amygdaloides	Tree	60 ft	Sun	High	Zone 4a
Pennsylvania bittercress Cardamine pensylvanica	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 4a
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
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
prostrate ceanothus Ceanothus prostratus	Shrub	6 in	Shade-tolerant	Low	Zone 5a
purple milkvetch Astragalus agrestis	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
quaking aspen Populus tremuloides	Tree	65 ft	Sun	High	Zone 1a
Rainier pleated gentian Gentiana calycosa	Wildflower (forb)	7 in	Shade-tolerant	Medium	Zone 8a
rayless arnica Arnica ×diversifolia	Wildflower (forb)	1.3 ft	Sun–part shade	High	Zone 5a
Raynolds' sedge Carex raynoldsii	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 4a
red elderberry Sambucus racemosa	Tree	18 ft	Sun–part shade	High	Zone 4a
red goosefoot Chenopodium rubrum	Wildflower (forb)	3 ft	Sun	High	Zone 12b
redflower currant Ribes sanguineum	Shrub	12 ft	Sun–part shade	Medium	Zone 8a
redosier dogwood Cornus sericea	Tree	12 ft	Sun	High	Zone 3b
redstem ceanothus Ceanothus sanguineus	Shrub	10 ft	Sun–part shade	High	Zone 6a
reed canarygrass Phalaris arundinacea	Grass or grass-like	5 ft	Sun	High	Zone 3b
ribbonleaf pondweed Potamogeton epihydrus	Wildflower (forb)	—	Sun	High	Zone 4a
Richardson's geranium Geranium richardsonii	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 3b
river bulrush Bolboschoenus fluviatilis	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
Robbins' pondweed Potamogeton robbinsii	Wildflower (forb)	—	Sun	High	Zone 3b
rock buckwheat Eriogonum sphaerocephalum	Shrub	1 ft	Sun	Low	Zone 5a
Rocky Mountain goldenrod Solidago multiradiata	Wildflower (forb)	1 ft	Sun	—	Zone 1a
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 bugleweed Lycopus asper	Wildflower (forb)	2.1 ft	Shade-tolerant	High	Zone 3b
roundleaf alumroot Heuchera cylindrica	Wildflower (forb)	6 ft	Sun–part shade	Low	Zone 6a
royal penstemon Penstemon speciosus	Wildflower (forb)	2.5 ft	Sun	Low	Zone 4a
rubber rabbitbrush Ericameria nauseosa	Shrub	4 ft	Sun	Medium	Zone 3b
rufous bulrush Scirpus pendulus	Grass or grass-like	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
salal Gaultheria shallon	Shrub	6 ft	Shade-tolerant	High	Zone 8a
salt heliotrope Heliotropium curassavicum	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4b
saltgrass Distichlis spicata	Grass or grass-like	1.1 ft	Sun	Medium	Zone 3b
Sandberg bluegrass Poa secunda	Grass or grass-like	1.4 ft	Sun–part shade	Low	Zone 3b
sandcherry Prunus pumila	Shrub	6 ft	Shade-tolerant	Low	Zone 4a
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
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
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
sicklekeel lupine Lupinus albicaulis	Wildflower (forb)	3 ft	Sun	Medium	Zone 12a
Sierra larkspur Delphinium glaucum	Wildflower (forb)	8 ft	Shade-tolerant	High	Zone 4b
Sierra rush Juncus nevadensis	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
Sierra willow Salix orestera	Shrub	10 ft	Sun	High	Zone 5a
silver sagebrush Artemisia cana	Shrub	5 ft	Sun	Low	Zone 3a
silverleaf phacelia Phacelia hastata	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
silverweed cinquefoil Argentina anserina	Wildflower (forb)	6 in	Shade-tolerant	High	Zone 5a
silvery lupine Lupinus argenteus	Wildflower (forb)	1.5 ft	Sun	Low	Zone 3a
silvery sedge Carex canescens	Grass or grass-like	2 ft	Sun–part shade	High	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 bulrush Schoenoplectus heterochaetus	Grass or grass-like	4.9 ft	Sun	High	Zone 3b
slender cinquefoil Potentilla gracilis	Wildflower (forb)	2.4 ft	Sun	Low	Zone 3a
slender clarkia Clarkia gracilis	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 12b
slender cottongrass Eriophorum gracile	Grass or grass-like	1.7 ft	Sun	High	Zone 3a
slender hairgrass Deschampsia elongata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
slender wheatgrass Elymus trachycaulus	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
slenderbeak sedge Carex athrostachya	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
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
small floating mannagrass Glyceria borealis	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
smallflowered woodrush Luzula parviflora	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4a
smallwing sedge Carex microptera	Grass or grass-like	2 ft	Sun	High	Zone 4a
smooth horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
snowbrush ceanothus Ceanothus velutinus	Tree	10 ft	Sun	Medium	Zone 5a
softleaf sedge Carex disperma	Grass or grass-like	2 ft	Sun–part shade	High	Zone 3b
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
spearleaf arnica Arnica longifolia	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 4a
spike bentgrass Agrostis exarata	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
spike trisetum Trisetum spicatum	Grass or grass-like	1.9 ft	Sun–part shade	Medium	Zone 3b
spineless horsebrush Tetradymia canescens	Shrub	4 ft	Sun	Low	Zone 9a
spreading phlox Phlox diffusa	Wildflower (forb)	6 in	Shade-tolerant	Low	Zone 6a
spreading yellowcress Rorippa sinuata	Wildflower (forb)	1 ft	Sun	Medium	Zone 3b
spreadingpod rockcress Arabis ×divaricarpa	Wildflower (forb)	3 ft	Shade-tolerant	Low	Zone 4b
squirreltail Elymus elymoides	Grass or grass-like	1.5 ft	Sun	Low	Zone 3a
star duckweed Lemna trisulca	Wildflower (forb)	4 in	Sun	High	Zone 3b
star sedge Carex echinata	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
sticky cinquefoil Potentilla glandulosa	Wildflower (forb)	1.5 ft	Sun–part shade	Low	Zone 4a
sticky currant Ribes viscosissimum	Shrub	3.5 ft	Sun	—	Zone 3b
sticky purple geranium Geranium viscosissimum	Wildflower (forb)	3 ft	Shade-tolerant	Low	Zone 6a
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
sugar pine Pinus lambertiana	Tree	229 ft	Sun–part shade	Medium	Zone 4b
Suksdorf's monkeyflower Mimulus suksdorfii	Wildflower (forb)	7 in	Shade-tolerant	Medium	Zone 12b
sulphur-flower buckwheat Eriogonum umbellatum	Shrub	1 ft	Sun	Low	Zone 8a
swordleaf rush Juncus ensifolius	Grass or grass-like	2 ft	Sun–part shade	High	Zone 3b
tailcup lupine Lupinus caudatus	Wildflower (forb)	5 ft	Sun	Low	Zone 4b
tall fringed bluebells Mertensia ciliata	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 5a
tall groundsel Senecio hydrophiloides	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 4b
tall trisetum Trisetum canescens	Grass or grass-like	3.5 ft	Sun–part shade	Medium	Zone 4a
tall woolly buckwheat Eriogonum elatum	Wildflower (forb)	3 ft	Sun	Low	Zone 4b
tanoak Notholithocarpus densiflorus	Tree	125 ft	Shade-tolerant	Medium	Zone 8a
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
thickspike wheatgrass Elymus lanceolatus	Grass or grass-like	2.3 ft	Sun	Low	Zone 3b
thimbleberry Rubus parviflorus	Shrub	4 ft	Sun–part shade	High	Zone 4b
thinleaf huckleberry Vaccinium membranaceum	Shrub	4.5 ft	Sun–part shade	Low	Zone 3b
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
three-way sedge Dulichium arundinaceum	Grass or grass-like	2.6 ft	Sun–part shade	High	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
tiny mousetail Myosurus minimus	Wildflower (forb)	5 in	Sun–part shade	Medium	Zone 12b
Tolmie's onion Allium tolmiei	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
tufted hairgrass Deschampsia cespitosa	Grass or grass-like	3.4 ft	Sun	Low	Zone 3b
tufted loosestrife Lysimachia thyrsiflora	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
twinberry honeysuckle Lonicera involucrata	Shrub	10 ft	Shade-tolerant	High	Zone 3a
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
umbrella starwort Stellaria umbellata	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4b
undergreen willow Salix commutata	Shrub	3 ft	—	—	Zone 3b
Utah serviceberry Amelanchier utahensis	Tree	15 ft	Sun–part shade	Medium	Zone 4b
variableleaf pondweed Potamogeton gramineus	Wildflower (forb)	—	Sun	High	Zone 3b
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 birch Betula occidentalis	Tree	25 ft	Sun–part shade	High	Zone 1a
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
water sedge Carex aquatilis	Grass or grass-like	2.9 ft	Sun	High	Zone 3b
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
wavyleaf Indian paintbrush Castilleja applegatei	Wildflower (forb)	1.5 ft	Sun	Low	Zone 4b
wax currant Ribes cereum	Shrub	3 ft	Sun	Low	Zone 5a
western azalea Rhododendron occidentale	Shrub	10 ft	Sun–part shade	High	Zone 8b
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 mountain ash Sorbus sitchensis	Tree	15 ft	Sun	Medium	Zone 4b
western needlegrass Achnatherum occidentale	Grass or grass-like	2 ft	Sun–part shade	Low	Zone 4b
western pearly everlasting Anaphalis margaritacea	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3a
western 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 valerian Valeriana occidentalis	Wildflower (forb)	3 ft	Sun	High	Zone 4b
western water hemlock Cicuta douglasii	Wildflower (forb)	6 ft	Sun	High	Zone 4b
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
western white pine Pinus monticola	Tree	200 ft	Sun–part shade	Medium	Zone 4a
wheat sedge Carex atherodes	Grass or grass-like	5 ft	Sun	High	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
whitebark pine Pinus albicaulis	Tree	65 ft	Sun–part shade	Medium	Zone 1b
whitebark raspberry Rubus leucodermis	Vine	1 ft	Sun	Medium	Zone 8a
whitestem gooseberry Ribes inerme	Shrub	8 ft	Shade-tolerant	Medium	Zone 4b
whitethorn ceanothus Ceanothus cordulatus	Shrub	8 ft	Sun	Low	Zone 5a
woodrush sedge Carex luzulina	Grass or grass-like	2 ft	Sun	High	Zone 4a
Woods' rose Rosa woodsii	Shrub	3 ft	Sun–part shade	Medium	Zone 3a
woolly groundsel Packera cana	Wildflower (forb)	1.5 ft	Sun	Low	Zone 3a
woolly mule-ears Wyethia mollis	Wildflower (forb)	2.5 ft	Shade-tolerant	Low	Zone 6a
woollypod milkvetch Astragalus purshii	Wildflower (forb)	7 in	Sun	Low	Zone 4a
yellow evening primrose Oenothera flava	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 4a
yellow fritillary Fritillaria pudica	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 12a
yellow owl's-clover Orthocarpus luteus	Wildflower (forb)	1.5 ft	Sun	Low	Zone 12b
yellow rabbitbrush Chrysothamnus viscidiflorus	Shrub	3 ft	Sun	Low	Zone 5a
yellow willow Salix lutea	Tree	16 ft	Sun–part shade	High	Zone 3a
yerba mansa Anemopsis californica	Wildflower (forb)	1.5 ft	Sun	High	Zone 9b

Other native species recorded here 167

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

Aleutian maidenhair Adiantum aleuticum
alpine lewisia Lewisia pygmaea
alpine pondweed Potamogeton alpinus
American bird's-foot trefoil Lotus unifoliolatus
American mannagrass Glyceria grandis
American pillwort Pilularia americana
American rockbrake Cryptogramma acrostichoides
American sloughgrass Beckmannia syzigachne
American yellowrocket Barbarea orthoceras
autumn dwarf gentian Gentianella amarella
ballhead ipomopsis Ipomopsis congesta
Beck's water-marigold Bidens beckii
Bicknell's cranesbill Geranium bicknellii
bigleaf lupine Lupinus polyphyllus
bitter fleabane Erigeron acris
bog yellowcress Rorippa palustris
boreal starwort Stellaria borealis
brittle bladderfern Cystopteris fragilis
brook cinquefoil Potentilla rivalis
bulblet-bearing water hemlock Cicuta bulbifera
buttonbush dodder Cuscuta cephalanthi
Buxbaum's sedge Carex buxbaumii
Carolina geranium Geranium carolinianum
clammy hedgehyssop Gratiola neglecta
clustered broomrape Orobanche fasciculata
common bladderwort Utricularia macrorhiza
common starlily Leucocrinum montanum
common woodrush Luzula multiflora
curlycup gumweed Grindelia squarrosa
curlytop knotweed Polygonum lapathifolium
cutleaf nightshade Solanum triflorum
Douglas' knotweed Polygonum douglasii
English sundew Drosera anglica
European bur-reed Sparganium emersum
fairy slipper Calypso bulbosa
falsegold groundsel Packera pseudaurea
feathery false lily of the valley Maianthemum racemosum
fewflower spikerush Eleocharis quinqueflora
flatleaf bladderwort Utricularia intermedia
flatspine stickseed Lappula occidentalis
foxtail barley Hordeum jubatum
foxtail muhly Muhlenbergia andina
fragrant bedstraw Galium triflorum
Fremont's goosefoot Chenopodium fremontii
fringed willowherb Epilobium ciliatum
giant red Indian paintbrush Castilleja miniata
Gmelin's buttercup Ranunculus gmelinii
grassleaf mudplantain Heteranthera dubia
green false hellebore Veratrum viride
hairy evening primrose Oenothera villosa
hairy hedgenettle Stachys pilosa
hairy waterclover Marsilea vestita
heartleaf twayblade Listera cordata
hemlock waterparsnip Sium suave
hoary tansyaster Machaeranthera canescens
hooded coralroot Corallorhiza striata
hookedspur violet Viola adunca
horned pondweed Zannichellia palustris
Hornemann's willowherb Epilobium hornemannii
Howell's pussytoes Antennaria howellii
Illinois pondweed Potamogeton illinoensis
Indianpipe Monotropa uniflora
inundated clubmoss Lycopodiella inundata
lanceleaf figwort Scrophularia lanceolata
largeleaf sandwort Moehringia macrophylla
leathery grapefern Botrychium multifidum
liverleaf wintergreen Pyrola asarifolia
long-stolon sedge Carex inops
Macoun's barley ×Elyhordeum macounii
manyflower stickseed Hackelia floribunda
mapleleaf goosefoot Chenopodium simplex
marsh skullcap Scutellaria galericulata
marsh willowherb Epilobium palustre
meadow deathcamas Zigadenus venenosus
Menzies' campion Silene menziesii
Menzies' fiddleneck Amsinckia menziesii
milkflower willowherb Epilobium lactiflorum
Mojave seablite Suaeda moquinii
mountain tansymustard Descurainia incana
mountain tarweed Madia glomerata
muskflower Mimulus moschatus
narrowleaf bur-reed Sparganium angustifolium
narrowleaf goosefoot Chenopodium leptophyllum
narrowleaf minerslettuce Montia linearis
neckweed Veronica peregrina
needleleaf navarretia Navarretia intertexta
needleleaf sedge Carex duriuscula
northern cluster sedge Carex arcta
northern hollyfern Polystichum lonchitis
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
Pennsylvania pellitory Parietaria pensylvanica
pimpernel willowherb Epilobium anagallidifolium
pinesap Monotropa hypopitys
pleated gentian Gentiana affinis
poverty oatgrass Danthonia spicata
povertyweed Iva axillaris
pullup muhly Muhlenbergia filiformis
purple marshlocks Comarum palustre
Pursh seepweed Suaeda calceoliformis
rannoch-rush Scheuchzeria palustris
red baneberry Actaea rubra
resin birch Betula glandulosa
ribseed sandmat Chamaesyce glyptosperma
Richardson's pondweed Potamogeton richardsonii
Rocky Mountain fescue Festuca saximontana
Rocky Mountain rush Juncus saximontanus
rosy pussytoes Antennaria rosea
roundleaf sundew Drosera rotundifolia
scentbottle Platanthera dilatata
Scouler's popcornflower Plagiobothrys scouleri
seaside arrowgrass Triglochin maritima
shaggy fleabane Erigeron pumilus
shortray fleabane Erigeron lonchophyllus
shortspike watermilfoil Myriophyllum sibiricum
sidebells wintergreen Orthilia secunda
silverscale saltbush Atriplex argentea
skullcap speedwell Veronica scutellata
sleepy silene Silene antirrhina
slender bog orchid Platanthera stricta
slender phlox Microsteris gracilis
slender-spire orchid Piperia unalascensis
small bur-reed Sparganium natans
small pondweed Potamogeton pusillus
snowline wintergreen Pyrola minor
spiny phlox Phlox hoodii
spotted fritillary Fritillaria atropurpurea
spreading dogbane Apocynum androsaemifolium
spreading fleabane Erigeron divergens
starry false lily of the valley Maianthemum stellatum
strapleaf willow Salix ligulifolia
strawberry Fragaria ×ananassa
summer coralroot Corallorhiza maculata
swaying bulrush Schoenoplectus subterminalis
sweetcicely Osmorhiza berteroi
swollen duckweed Lemna gibba
tall annual willowherb Epilobium brachycarpum
threadleaf crowfoot Ranunculus trichophyllus
tiny trumpet Collomia linearis
tobacco root Valeriana edulis
tower rockcress Arabis glabra
turion duckweed Lemna turionifera
twinflower Linnaea borealis
twistedstalk Streptopus lanceolatus
Virginia pepperweed Lepidium virginicum
Virginia strawberry Fragaria virginiana
water minerslettuce Montia chamissoi
water mudwort Limosella aquatica
waterawlwort Subularia aquatica
wavyleaf thistle Cirsium undulatum
western marsh cudweed Gnaphalium palustre
western rattlesnake plantain Goodyera oblongifolia
western tansymustard Descurainia pinnata
whitestem blazingstar Mentzelia albicaulis
whorl-leaf watermilfoil Myriophyllum verticillatum
witchgrass Panicum capillare
woodland draba Draba nemorosa
woodland pinedrops Pterospora andromedea
woodland strawberry Fragaria vesca
woolly sedge Carex pellita
Wright's cudweed Pseudognaphalium canescens
yellow coralroot Corallorhiza trifida
yellow water buttercup Ranunculus flabellaris

Also listed as native and introduced here 3

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.

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, Klamath County and Oregon
Measure	Klamath County	Typical county	Statewide
Native species	593	432	1,058
Garden-ready natives	426	311	683
Tree	55	—	87
Shrub	65	—	115
Wildflower (forb)	334	—	567
Grass or grass-like	119	—	232
Vine	7	—	18
Fern	13	—	39

Neighboring counties

Counties that share a ZIP code with Klamath County.

Deschutes County, OR 346 garden-ready
Douglas County, OR 402 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: Klamath County (county FIPS 41035), Oregon. 593 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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