Native plants · Wyoming

Native plants of Washakie County

356 plant species are recorded as native to Wyoming in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Washakie County by USDA PLANTS. 222 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Washakie County, Wyoming

Native species: 356 Typical Wyoming county: 414 (median of 23 counties)
Garden-ready natives: 222 Typical Wyoming county: 243
Share by type (all 356 native species): Percent of the 356 native species in each growth type

Tree 8% (30)
Shrub 10% (35)
Wildflower (forb) 55% (195)
Grass or grass-like 23% (82)
Vine 1% (5)
Fern 3% (9)

Wildflowers make up the largest share of the native list (55%), followed by grasses and grass-like plants (23%).

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 4b to 5a (2023 map).

The native plant list

Garden-ready natives 222

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

Garden-ready native plants of Washakie County, Wyoming
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
alkali cordgrass Spartina gracilis	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
alkali sacaton Sporobolus airoides	Grass or grass-like	3 ft	Sun	Low	Zone 3b
alpine bistort Polygonum viviparum	Wildflower (forb)	1 ft	Sun	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 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 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
arctic bluegrass Poa arctica	Grass or grass-like	2 ft	Sun	—	Zone 1a
arctic pearlwort Sagina saginoides	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4a
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
basin wildrye Leymus cinereus	Grass or grass-like	5 ft	Sun	High	Zone 3a
big sagebrush Artemisia tridentata	Tree	4 ft	Sun	Medium	Zone 3a
blanketflower Gaillardia aristata	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
blue grama Bouteloua gracilis	Grass or grass-like	1 ft	Sun	Medium	Zone 3a
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
Booth's willow Salix boothii	Shrub	24 ft	Shade-tolerant	High	Zone 8b
boxelder Acer negundo	Tree	60 ft	Shade-tolerant	Medium	Zone 2b
broadleaf cattail Typha latifolia	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 3b
broom snakeweed Gutierrezia sarothrae	Shrub	1.5 ft	Sun	Medium	Zone 3b
buckbean Menyanthes trifoliata	Wildflower (forb)	10 in	Sun–part shade	High	Zone 4a
bud sagebrush Picrothamnus desertorum	Shrub	2 ft	Sun	Low	Zone 3a
Canada wildrye Elymus canadensis	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3a
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Chamisso arnica Arnica chamissonis	Wildflower (forb)	2.5 ft	Sun–part shade	High	Zone 4a
chokecherry Prunus virginiana	Tree	25 ft	Sun	Medium	Zone 3a
cloaked bulrush Scirpus pallidus	Grass or grass-like	5 ft	Sun	Medium	Zone 3b
Columbia needlegrass Achnatherum nelsonii	Grass or grass-like	3 ft	Sun	Low	Zone 4b
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
common juniper Juniperus communis	Tree	10 ft	Sun	Low	Zone 3a
common reed Phragmites australis	Shrub	13 ft	Sun	Medium	Zone 3b
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
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
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
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
diamondleaf willow Salix planifolia	Tree	8 ft	Sun	Medium	Zone 3b
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
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
Drummond's willow Salix drummondiana	Shrub	12 ft	Sun–part shade	High	Zone 4b
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
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
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
flat-top pussytoes Antennaria corymbosa	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 5b
foothill arnica Arnica fulgens	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4b
fowl mannagrass Glyceria striata	Grass or grass-like	5.7 ft	Shade-tolerant	Medium	Zone 3b
fringed grass of Parnassus Parnassia fimbriata	Wildflower (forb)	1.2 ft	Sun–part shade	High	Zone 4b
Gardner's saltbush Atriplex gardneri	Shrub	4 ft	Sun	Low	Zone 3b
Geyer willow Salix geyeriana	Tree	15 ft	Shade-tolerant	High	Zone 3b
Geyer's sedge Carex geyeri	Grass or grass-like	1.5 ft	Sun–part shade	Low	Zone 4b
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
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
granite prickly phlox Linanthus pungens	Wildflower (forb)	2 ft	Shade-tolerant	Low	Zone 4a
gray aster Eurybia glauca	Wildflower (forb)	2 ft	Sun	Medium	Zone 3a
greasewood Sarcobatus vermiculatus	Shrub	10 ft	Sun	Low	Zone 3b
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green needlegrass Nassella viridula	Grass or grass-like	2 ft	Sun	Low	Zone 3b
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
hairy false goldenaster Heterotheca villosa	Wildflower (forb)	3 ft	Sun	Low	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
hooded lady's tresses Spiranthes romanzoffiana	Wildflower (forb)	2.5 ft	Sun–part shade	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
largeleaf avens Geum macrophyllum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
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
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
limber pine Pinus flexilis	Tree	66 ft	Sun	Low	Zone 3a
little barley Hordeum pusillum	Grass or grass-like	1.2 ft	Sun	Medium	Zone 10b
lodgepole pine Pinus contorta	Tree	99 ft	Sun	Medium	Zone 1a
low pussytoes Antennaria dimorpha	Wildflower (forb)	4 in	Sun–part shade	Low	Zone 3b
maiden blue eyed Mary Collinsia parviflora	Wildflower (forb)	1 ft	Shade-tolerant	Medium	Zone 4a
meadow barley Hordeum brachyantherum	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
Mertens' rush Juncus mertensianus	Grass or grass-like	11 in	Sun–part shade	High	Zone 4a
Modoc hawksbeard Crepis modocensis	Wildflower (forb)	1.4 ft	Sun	Low	Zone 4b
mountain brome Bromus marginatus	Grass or grass-like	4 ft	Sun	High	Zone 4b
mountain 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
muttongrass Poa fendleriana	Grass or grass-like	2 ft	Sun	Low	Zone 3b
narrowleaf cottonwood Populus angustifolia	Tree	60 ft	Sun	High	Zone 4b
narrowleaf water plantain Alisma gramineum	Wildflower (forb)	1.5 ft	Sun	High	Zone 3a
narrowleaf willow Salix exigua	Tree	10 ft	Sun–part shade	High	Zone 3b
Nebraska sedge Carex nebrascensis	Grass or grass-like	3 ft	Sun	High	Zone 3b
needle and thread Hesperostipa comata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
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
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
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
Nuttall's sunflower Helianthus nuttallii	Wildflower (forb)	10 ft	Sun	Medium	Zone 3b
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
oniongrass Melica bulbosa	Grass or grass-like	1.8 ft	Sun–part shade	Low	Zone 3a
Pacific anemone Anemone multifida	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 5a
pale agoseris Agoseris glauca	Shrub	1 ft	Sun	Medium	Zone 4a
pale evening primrose Oenothera pallida	Wildflower (forb)	2 ft	Sun	Low	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
pearly pussytoes Antennaria anaphaloides	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 4a
plains pricklypear Opuntia polyacantha	Shrub	2 ft	Sun	Low	Zone 4b
prairie Junegrass Koeleria macrantha	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 3b
prairie sagewort Artemisia frigida	Shrub	2 ft	Sun–part shade	Low	Zone 3a
prickly currant Ribes lacustre	Shrub	3 ft	Shade-tolerant	—	Zone 1a
quaking aspen Populus tremuloides	Tree	65 ft	Sun	High	Zone 1a
Raynolds' sedge Carex raynoldsii	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 4a
redosier dogwood Cornus sericea	Tree	12 ft	Sun	High	Zone 3b
reed canarygrass Phalaris arundinacea	Grass or grass-like	5 ft	Sun	High	Zone 3b
Richardson's geranium Geranium richardsonii	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 3b
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
Rocky Mountain beeplant Cleome serrulata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 12b
Rocky Mountain juniper Juniperus scopulorum	Tree	50 ft	Sun	Low	Zone 3b
Rocky Mountain maple Acer glabrum	Tree	30 ft	Sun–part shade	Low	Zone 3a
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
rubber rabbitbrush Ericameria nauseosa	Shrub	4 ft	Sun	Medium	Zone 3b
russet buffaloberry Shepherdia canadensis	Shrub	6 ft	Sun–part shade	Medium	Zone 1a
sagebrush buttercup Ranunculus glaberrimus	Wildflower (forb)	6 in	Sun	High	Zone 3a
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
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
sawsepal penstemon Penstemon glaber	Wildflower (forb)	2 ft	Sun	Medium	Zone 3b
scarlet globemallow Sphaeralcea coccinea	Wildflower (forb)	1.5 ft	Sun	Low	Zone 5a
Scouler's willow Salix scouleriana	Tree	50 ft	Sun–part shade	High	Zone 6a
sea milkwort Glaux maritima	Wildflower (forb)	11 in	Sun	High	Zone 4a
seep monkeyflower Mimulus guttatus	Wildflower (forb)	2.5 ft	Shade-tolerant	High	Zone 3b
shadscale saltbush Atriplex confertifolia	Shrub	3 ft	Sun	Medium	Zone 3b
shining willow Salix lucida	Tree	13 ft	Sun–part shade	High	Zone 3a
shortawn foxtail Alopecurus aequalis	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 3b
shortspine horsebrush Tetradymia spinosa	Shrub	3.2 ft	Sun	Low	Zone 4b
showy milkweed Asclepias speciosa	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
silver sagebrush Artemisia cana	Shrub	5 ft	Sun	Low	Zone 3a
silverleaf phacelia Phacelia hastata	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
silvery 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
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 wheatgrass Elymus trachycaulus	Grass or grass-like	3 ft	Sun	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
snowbrush ceanothus Ceanothus velutinus	Tree	10 ft	Sun	Medium	Zone 5a
softleaf sedge Carex disperma	Grass or grass-like	2 ft	Sun–part shade	High	Zone 3b
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
spike bentgrass Agrostis exarata	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
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
spiny hopsage Grayia spinosa	Shrub	3 ft	Sun	Low	Zone 4a
spotted joe pye weed Eutrochium maculatum	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4b
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 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
sulphur-flower buckwheat Eriogonum umbellatum	Shrub	1 ft	Sun	Low	Zone 8a
swamp milkweed Asclepias incarnata	Wildflower (forb)	4.9 ft	Sun	High	Zone 3b
tall cinquefoil Potentilla arguta	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3b
tall fringed bluebells Mertensia ciliata	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 5a
tanseyleaf tansyaster Machaeranthera tanacetifolia	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
tapertip hawksbeard Crepis acuminata	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
tenpetal blazingstar Mentzelia decapetala	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 3b
textile onion Allium textile	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 3b
thickspike wheatgrass Elymus lanceolatus	Grass or grass-like	2.3 ft	Sun	Low	Zone 3b
threadleaf sedge Carex filifolia	Grass or grass-like	1.2 ft	Sun	Low	Zone 3b
threelobe beggarticks Bidens tripartita	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12a
timber oatgrass Danthonia intermedia	Grass or grass-like	1.5 ft	Sun–part shade	Low	Zone 4a
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
tufted evening primrose Oenothera caespitosa	Wildflower (forb)	6 in	Sun	Low	Zone 6a
tufted hairgrass Deschampsia cespitosa	Grass or grass-like	3.4 ft	Sun	Low	Zone 3b
Utah juniper Juniperus osteosperma	Tree	26 ft	Sun	Low	Zone 4b
Utah sweetvetch Hedysarum boreale	Wildflower (forb)	2 ft	Sun	Medium	Zone 3b
variableleaf pondweed Potamogeton gramineus	Wildflower (forb)	—	Sun	High	Zone 3b
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 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 snowberry Symphoricarpos occidentalis	Shrub	3 ft	Sun–part shade	Low	Zone 3b
western stoneseed Lithospermum ruderale	Wildflower (forb)	1.5 ft	Sun	Low	Zone 4b
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
western white clematis Clematis ligusticifolia	Vine	1 ft	Sun–part shade	Medium	Zone 3b
white hawkweed Hieracium albiflorum	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 4a
white prairie clover Dalea candida	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
white sagebrush Artemisia ludoviciana	Wildflower (forb)	3 ft	Sun	Low	Zone 4a
white spruce Picea glauca	Tree	100 ft	Sun–part shade	Medium	Zone 1a
wild bergamot Monarda fistulosa	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
winterfat Krascheninnikovia lanata	Shrub	2 ft	Sun	Low	Zone 2a
Woods' rose Rosa woodsii	Shrub	3 ft	Sun–part shade	Medium	Zone 3a
woolly groundsel Packera cana	Wildflower (forb)	1.5 ft	Sun	Low	Zone 3a
woolly plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b
woollypod milkvetch Astragalus purshii	Wildflower (forb)	7 in	Sun	Low	Zone 4a
yellow fritillary Fritillaria pudica	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 12a
yellow owl's-clover Orthocarpus luteus	Wildflower (forb)	1.5 ft	Sun	Low	Zone 12b
yellow rabbitbrush Chrysothamnus viscidiflorus	Shrub	3 ft	Sun	Low	Zone 5a
yellow spiderflower Cleome lutea	Wildflower (forb)	2.7 ft	Sun	Low	Zone 12a
yellow willow Salix lutea	Tree	16 ft	Sun–part shade	High	Zone 3a

Other native species recorded here 134

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.

alpine milkvetch Astragalus alpinus
alpine pondweed Potamogeton alpinus
American mannagrass Glyceria grandis
aridland goosefoot Chenopodium desiccatum
autumn dwarf gentian Gentianella amarella
ballhead ipomopsis Ipomopsis congesta
balsam groundsel Packera paupercula
bastard toadflax Comandra umbellata
beautiful cinquefoil Potentilla pulcherrima
beautiful sandwort Minuartia rubella
Bebb willow Salix bebbiana
bigbract verbena Verbena bracteata
bluntleaf sandwort Moehringia lateriflora
bog yellowcress Rorippa palustris
bottlebrush sedge Carex hystericina
brightgreen spleenwort Asplenium trichomanes-ramosum
brittle bladderfern Cystopteris fragilis
brownish sedge Carex brunnescens
Canadian gooseberry Ribes oxyacanthoides
carelessweed Cyclachaena xanthiifolia
common bladderwort Utricularia macrorhiza
curlycup gumweed Grindelia squarrosa
desert biscuitroot Lomatium foeniculaceum
desert goosefoot Chenopodium pratericola
desert princesplume Stanleya pinnata
Douglas' knotweed Polygonum douglasii
Drummond's campion Silene drummondii
Drummond's false pennyroyal Hedeoma drummondii
elkweed Frasera speciosa
fairy slipper Calypso bulbosa
false buffalograss Munroa squarrosa
false mermaidweed Floerkea proserpinacoides
feathery false lily of the valley Maianthemum racemosum
fineleaf hymenopappus Hymenopappus filifolius
flatspine stickseed Lappula occidentalis
Flodman's thistle Cirsium flodmanii
foxtail barley Hordeum jubatum
foxtail muhly Muhlenbergia andina
fragrant bedstraw Galium triflorum
fringed willowherb Epilobium ciliatum
giant red Indian paintbrush Castilleja miniata
hairy evening primrose Oenothera villosa
hoary tansyaster Machaeranthera canescens
hoary verbena Verbena stricta
hookedspur violet Viola adunca
horsetail Equisetum ×nelsonii
lemon scurfpea Psoralidium lanceolatum
Lindley's aster Symphyotrichum ciliolatum
longstyle sweetroot Osmorhiza longistylis
Louisiana broomrape Orobanche ludoviciana
Macoun's barley ×Elyhordeum macounii
male fern Dryopteris filix-mas
meadow deathcamas Zigadenus venenosus
meadow sedge Carex praticola
Menzies' campion Silene menziesii
Mojave seablite Suaeda moquinii
mountain deathcamas Zigadenus elegans
mountain tansymustard Descurainia incana
mountain tarweed Madia glomerata
narrowleaf bur-reed Sparganium angustifolium
needleleaf sedge Carex duriuscula
nodding buckwheat Eriogonum cernuum
nodding onion Allium cernuum
nodding stickseed Hackelia deflexa
Northern Idaho biscuitroot Lomatium orientale
northern sweetgrass Hierochloe hirta
Norwegian cinquefoil Potentilla norvegica
Oregon cliff fern Woodsia oregana
pale false mannagrass Torreyochloa pallida
pitseed goosefoot Chenopodium berlandieri
plains bluegrass Poa arida
plains springparsley Cymopterus acaulis
pleated gentian Gentiana affinis
Porter brome Bromus porteri
povertyweed Iva axillaris
prairie plantain Plantago elongata
prairie sunflower Helianthus petiolaris
purple reedgrass Calamagrostis purpurascens
pygmyflower rockjasmine Androsace septentrionalis
red baneberry Actaea rubra
redwhisker clammyweed Polanisia dodecandra
redwool plantain Plantago eriopoda
ribseed sandmat Chamaesyce glyptosperma
Rocky Mountain fescue Festuca saximontana
rosy pussytoes Antennaria rosea
rough barnyardgrass Echinochloa muricata
roughfruit fairybells Prosartes trachycarpa
rush skeletonplant Lygodesmia juncea
rusty lupine Lupinus pusillus
sagebrush violet Viola vallicola
scarlet beeblossom Oenothera suffrutescens
Scouler's popcornflower Plagiobothrys scouleri
scrambled eggs Corydalis aurea
shaggy fleabane Erigeron pumilus
shy wallflower Erysimum inconspicuum
sidebells wintergreen Orthilia secunda
silverscale saltbush Atriplex argentea
sixweeks fescue Vulpia octoflora
slender lipfern Cheilanthes feei
slender phlox Microsteris gracilis
slimflower scurfpea Psoralidium tenuiflorum
small pondweed Potamogeton pusillus
smooth cliffbrake Pellaea glabella
snowball sand verbena Abronia fragrans
spearleaf stonecrop Sedum lanceolatum
spiny milkvetch Astragalus kentrophyta
spiny phlox Phlox hoodii
spreading dogbane Apocynum androsaemifolium
starry false lily of the valley Maianthemum stellatum
sweetcicely Osmorhiza berteroi
tarragon Artemisia dracunculus
threenerve goldenrod Solidago velutina
tiny trumpet Collomia linearis
tobacco root Valeriana edulis
tower rockcress Arabis glabra
tumblegrass Schedonnardus paniculatus
twinflower Linnaea borealis
veiny dock Rumex venosus
veiny meadow-rue Thalictrum venulosum
Virginia strawberry Fragaria virginiana
water minerslettuce Montia chamissoi
water whorlgrass Catabrosa aquatica
wavyleaf thistle Cirsium undulatum
western marsh cudweed Gnaphalium palustre
western poison ivy Toxicodendron rydbergii
western tansymustard Descurainia pinnata
white heath aster Symphyotrichum ericoides
whitestem blazingstar Mentzelia albicaulis
witchgrass Panicum capillare
wood bluegrass Poa nemoralis
woodland draba Draba nemorosa
woodland strawberry Fragaria vesca
woolly cinquefoil Potentilla hippiana
woolly sedge Carex pellita

Also listed as native and introduced here 2

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.

hedge false bindweedCalystegia sepium
Kentucky bluegrassPoa pratensis

Compared with Wyoming

The typical county is the median of the 23 Wyoming 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, Washakie County and Wyoming
Measure	Washakie County	Typical county	Statewide
Native species	356	414	1,060
Garden-ready natives	222	243	576
Tree	30	—	69
Shrub	35	—	89
Wildflower (forb)	195	—	606
Grass or grass-like	82	—	242
Vine	5	—	17
Fern	9	—	37

Neighboring counties

Counties that share a ZIP code with Washakie County.

Big Horn County, WY 268 garden-ready
Hot Springs County, WY 176 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: Washakie County (county FIPS 56043), Wyoming. 356 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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