Native plants · Wyoming

Native plants of Fremont County

582 plant species are recorded as native to Wyoming in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Fremont County by USDA PLANTS. 355 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

Fremont County, Wyoming

Native species: 582 Typical Wyoming county: 414 (median of 23 counties)
Garden-ready natives: 355 Typical Wyoming county: 243
Share by type (all 582 native species): Percent of the 582 native species in each growth type

Tree 6% (36)
Shrub 10% (59)
Wildflower (forb) 59% (343)
Grass or grass-like 21% (125)
Vine <1% (5)
Fern 2% (14)

Wildflowers make up the largest share of the native list (59%), followed by grasses and grass-like plants (21%).

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 355

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

Garden-ready native plants of Fremont 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 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 sweetvetch Hedysarum alpinum	Wildflower (forb)	2 ft	Sun	Medium	Zone 1a
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
analogue sedge Carex simulata	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
antelope bitterbrush Purshia tridentata	Shrub	6 ft	Sun–part shade	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
arumleaf arrowhead Sagittaria cuneata	Wildflower (forb)	2.6 ft	Sun	Medium	Zone 4a
ballhead waterleaf Hydrophyllum capitatum	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4b
balsam poplar Populus balsamifera	Tree	80 ft	Sun	High	Zone 1a
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
black sagebrush Artemisia nova	Shrub	2 ft	Sun	Low	Zone 5a
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
blue spruce Picea pungens	Tree	100 ft	Sun–part shade	Medium	Zone 3b
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 blueberry Vaccinium uliginosum	Shrub	2 ft	Sun–part shade	Medium	Zone 3b
bog willowherb Epilobium leptophyllum	Wildflower (forb)	3.6 ft	Sun–part shade	High	Zone 4a
Booth's willow Salix boothii	Shrub	24 ft	Shade-tolerant	High	Zone 8b
boreal sagebrush Artemisia arctica	Shrub	1.5 ft	—	—	Zone 1a
Brewer's bittercress Cardamine breweri	Wildflower (forb)	1.8 ft	Shade-tolerant	Medium	Zone 5b
broadbeard beardtongue Penstemon angustifolius	Wildflower (forb)	3 ft	Sun	Low	Zone 4b
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
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
bushy bird's beak Cordylanthus ramosus	Wildflower (forb)	1 ft	Sun–part shade	Medium	Zone 12b
Canada goldenrod Solidago canadensis	Wildflower (forb)	3.5 ft	Sun	Medium	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
Canadian milkvetch Astragalus canadensis	Wildflower (forb)	6 in	Sun	Medium	Zone 3b
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
clustered field sedge Carex praegracilis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
Colorado blue columbine Aquilegia coerulea	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4b
Colorado rush Juncus confusus	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
Columbia needlegrass Achnatherum nelsonii	Grass or grass-like	3 ft	Sun	Low	Zone 4b
Columbian monkshood Aconitum columbianum	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 4b
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
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 sneezeweed Helenium autumnale	Wildflower (forb)	4.9 ft	Sun	Medium	Zone 3a
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
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
creeping barberry Mahonia repens	Shrub	2 ft	Shade-tolerant	Medium	Zone 5a
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
cutleaf balsamroot Balsamorhiza macrophylla	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 5a
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
desert centaury Centaurium exaltatum	Wildflower (forb)	1.5 ft	Sun	Medium	Zone 12b
desert yellow fleabane Erigeron linearis	Wildflower (forb)	1 ft	Sun	Low	Zone 5a
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
Douglas' sedge Carex douglasii	Grass or grass-like	1.5 ft	Sun	Medium	Zone 4a
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
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
Engelmann's aster Eucephalus engelmannii	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 4a
Eschscholtz's buttercup Ranunculus eschscholtzii	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
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
fineleaf pondweed Stuckenia filiformis	Wildflower (forb)	—	Sun	High	Zone 3b
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 arnica Arnica fulgens	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4b
fourwing saltbush Atriplex canescens	Shrub	4 ft	Sun	Medium	Zone 3a
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
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 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
glaucous bluegrass Poa glauca	Grass or grass-like	2 ft	Sun	—	Zone 3a
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
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
gray aster Eurybia glauca	Wildflower (forb)	2 ft	Sun	Medium	Zone 3a
grayleaf willow Salix glauca	Tree	4 ft	—	—	Zone 9b
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
green needlegrass Nassella viridula	Grass or grass-like	2 ft	Sun	Low	Zone 3b
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
hair-like sedge Carex capillaris	Grass or grass-like	1.7 ft	Shade-tolerant	Medium	Zone 3a
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
high northern buttercup Ranunculus hyperboreus	Wildflower (forb)	1 ft	Sun	—	Zone 1a
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
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
inland rush Juncus interior	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3b
inland sedge Carex interior	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
kinnikinnick Arctostaphylos uva-ursi	Shrub	6 in	Sun–part shade	Low	Zone 4a
knotted rush Juncus nodosus	Grass or grass-like	2 ft	Sun	Medium	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
largeleaf avens Geum macrophyllum	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
least willow Salix rotundifolia	Shrub	2 in	—	—	Zone 4a
Lemmon's willow Salix lemmonii	Shrub	14 ft	Sun–part shade	High	Zone 4b
Letterman's needlegrass Achnatherum lettermanii	Grass or grass-like	2 ft	Sun	Low	Zone 4b
Lewis flax Linum lewisii	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 3b
limber pine Pinus flexilis	Tree	66 ft	Sun	Low	Zone 3a
little sagebrush Artemisia arbuscula	Shrub	2 ft	Sun	Low	Zone 3a
little western bittercress Cardamine oligosperma	Wildflower (forb)	1.7 ft	Shade-tolerant	Medium	Zone 5a
littleleaf pussytoes Antennaria microphylla	Wildflower (forb)	1 ft	Sun	Low	Zone 3b
littleseed ricegrass Piptatheropsis micrantha	Grass or grass-like	2.5 ft	Sun	Low	Zone 3b
lodgepole pine Pinus contorta	Tree	99 ft	Sun	Medium	Zone 1a
longleaf phlox Phlox longifolia	Wildflower (forb)	1.2 ft	Sun–part shade	Low	Zone 6a
longleaf starwort Stellaria longifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 3b
longstalk clover Trifolium longipes	Wildflower (forb)	6 in	Sun–part shade	Medium	Zone 8a
longstalk starwort Stellaria longipes	Wildflower (forb)	11 in	Sun–part shade	High	Zone 4a
longstyle rush Juncus longistylis	Grass or grass-like	1.8 ft	Sun–part shade	High	Zone 3b
low pussytoes Antennaria dimorpha	Wildflower (forb)	4 in	Sun–part shade	Low	Zone 3b
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
marsh grass of Parnassus Parnassia palustris	Wildflower (forb)	2.2 ft	Sun	High	Zone 3b
marsh muhly Muhlenbergia racemosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3b
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
Missouri goldenrod Solidago missouriensis	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
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
needle spikerush Eleocharis acicularis	Grass or grass-like	8 in	Sun	Medium	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
northern bedstraw Galium boreale	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
northern black currant Ribes hudsonianum	Shrub	5 ft	Sun–part shade	High	Zone 4a
northern singlespike sedge Carex scirpoidea	Grass or grass-like	1.5 ft	Shade-tolerant	Medium	Zone 3b
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 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
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
orange agoseris Agoseris aurantiaca	Wildflower (forb)	1 ft	Sun	Medium	Zone 4a
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
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
pearly pussytoes Antennaria anaphaloides	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 4a
plains muhly Muhlenbergia cuspidata	Grass or grass-like	1.4 ft	Sun	Low	Zone 3b
plains pricklypear Opuntia polyacantha	Shrub	2 ft	Sun	Low	Zone 4b
plantainleaf buttercup Ranunculus alismifolius	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
Platte River cinquefoil Potentilla plattensis	Wildflower (forb)	6 in	Sun–part shade	Medium	Zone 3b
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
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
prairie sandreed Calamovilfa longifolia	Grass or grass-like	4.5 ft	Sun	Medium	Zone 3b
prickly currant Ribes lacustre	Shrub	3 ft	Shade-tolerant	—	Zone 1a
prickly rose Rosa acicularis	Shrub	4 ft	Shade-tolerant	High	Zone 3b
purple milkvetch Astragalus agrestis	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
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
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
red swampfire Salicornia rubra	Wildflower (forb)	1 ft	Sun	Medium	Zone 12b
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
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
Robbins' pondweed Potamogeton robbinsii	Wildflower (forb)	—	Sun	High	Zone 3b
Rocky Mountain beeplant Cleome serrulata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 12b
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 juniper Juniperus scopulorum	Tree	50 ft	Sun	Low	Zone 3b
Rocky Mountain maple Acer glabrum	Tree	30 ft	Sun–part shade	Low	Zone 3a
Rocky Mountain penstemon Penstemon strictus	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
Ross' avens Geum rossii	Wildflower (forb)	5 in	Sun–part shade	Low	Zone 10a
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
rubber rabbitbrush Ericameria nauseosa	Shrub	4 ft	Sun	Medium	Zone 3b
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
sago pondweed Stuckenia pectinata	Wildflower (forb)	—	Sun	High	Zone 3b
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 gilia Ipomopsis aggregata	Wildflower (forb)	3 ft	Sun	Low	Zone 5b
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
scratchgrass Muhlenbergia asperifolia	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 5b
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
shortfruit willow Salix brachycarpa	Shrub	3.6 ft	—	—	Zone 5a
shortspine horsebrush Tetradymia spinosa	Shrub	3.2 ft	Sun	Low	Zone 4b
showy milkweed Asclepias speciosa	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
shrubby cinquefoil Dasiphora fruticosa	Shrub	2.5 ft	Sun–part shade	Low	Zone 4b
Sierra larkspur Delphinium glaucum	Wildflower (forb)	8 ft	Shade-tolerant	High	Zone 4b
silky lupine Lupinus sericeus	Wildflower (forb)	6 ft	Sun	Low	Zone 4b
silver buffaloberry Shepherdia argentea	Tree	18 ft	Sun–part shade	Medium	Zone 3b
silver sagebrush Artemisia cana	Shrub	5 ft	Sun	Low	Zone 3a
silverberry Elaeagnus commutata	Shrub	12 ft	Sun	Low	Zone 3b
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
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
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 floating mannagrass Glyceria borealis	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
small white violet Viola macloskeyi	Wildflower (forb)	6 in	Shade-tolerant	High	Zone 4b
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 blue aster Symphyotrichum laeve	Wildflower (forb)	4 ft	Sun	Medium	Zone 3a
smooth horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
snowbrush ceanothus Ceanothus velutinus	Tree	10 ft	Sun	Medium	Zone 5a
soapweed yucca Yucca glauca	Shrub	1 ft	Sun	Low	Zone 4b
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
spiny hopsage Grayia spinosa	Shrub	3 ft	Sun	Low	Zone 4a
spreading yellowcress Rorippa sinuata	Wildflower (forb)	1 ft	Sun	Medium	Zone 3b
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
sticky currant Ribes viscosissimum	Shrub	3.5 ft	Sun	—	Zone 3b
sticky purple geranium Geranium viscosissimum	Wildflower (forb)	3 ft	Shade-tolerant	Low	Zone 6a
streambank wild hollyhock Iliamna rivularis	Wildflower (forb)	6 ft	Sun–part shade	Medium	Zone 4a
subalpine fir Abies lasiocarpa	Tree	90 ft	Shade-tolerant	Medium	Zone 2a
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
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
swordleaf rush Juncus ensifolius	Grass or grass-like	2 ft	Sun–part shade	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
tall hairy agrimony Agrimonia gryposepala	Wildflower (forb)	5.9 ft	Sun–part shade	Medium	Zone 3a
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
tapertip onion Allium acuminatum	Wildflower (forb)	1 ft	Sun	Low	Zone 4b
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
thickstem aster Eurybia integrifolia	Wildflower (forb)	3 ft	Sun	Low	Zone 5a
thimbleberry Rubus parviflorus	Shrub	4 ft	Sun–part shade	High	Zone 4b
threadleaf sedge Carex filifolia	Grass or grass-like	1.2 ft	Sun	Low	Zone 3b
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	High	Zone 3b
threetip sagebrush Artemisia tripartita	Shrub	4 ft	Sun	Low	Zone 3a
thrift mock goldenweed Stenotus armerioides	Wildflower (forb)	1 ft	Sun	Low	Zone 5a
timber oatgrass Danthonia intermedia	Grass or grass-like	1.5 ft	Sun–part shade	Low	Zone 4a
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
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
twinberry honeysuckle Lonicera involucrata	Shrub	10 ft	Shade-tolerant	High	Zone 3a
twoflowered rush Juncus biglumis	Grass or grass-like	1 ft	Sun–part shade	High	Zone 3b
umbrella starwort Stellaria umbellata	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4b
Utah honeysuckle Lonicera utahensis	Shrub	5 ft	Shade-tolerant	High	Zone 5a
Utah juniper Juniperus osteosperma	Tree	26 ft	Sun	Low	Zone 4b
Utah serviceberry Amelanchier utahensis	Tree	15 ft	Sun–part shade	Medium	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 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
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 Labrador tea Ledum glandulosum	Shrub	4.5 ft	Shade-tolerant	Medium	Zone 4b
western pearly everlasting Anaphalis margaritacea	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3a
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 sweetroot Osmorhiza occidentalis	Wildflower (forb)	4 ft	Shade-tolerant	Medium	Zone 3b
western valerian Valeriana occidentalis	Wildflower (forb)	3 ft	Sun	High	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
Whipple's penstemon Penstemon whippleanus	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
white hawkweed Hieracium albiflorum	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 4a
white panicle aster Symphyotrichum lanceolatum	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 3b
white sagebrush Artemisia ludoviciana	Wildflower (forb)	3 ft	Sun	Low	Zone 4a
whitebark pine Pinus albicaulis	Tree	65 ft	Sun–part shade	Medium	Zone 1b
whitestem gooseberry Ribes inerme	Shrub	8 ft	Shade-tolerant	Medium	Zone 4b
winterfat Krascheninnikovia lanata	Shrub	2 ft	Sun	Low	Zone 2a
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 plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b
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 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 227

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 bluegrass Poa alpina
alpine fescue Festuca brachyphylla
alpine lewisia Lewisia pygmaea
alpine milkvetch Astragalus alpinus
alpine pondweed Potamogeton alpinus
American dragonhead Dracocephalum parviflorum
American mannagrass Glyceria grandis
American rockbrake Cryptogramma acrostichoides
American sloughgrass Beckmannia syzigachne
American yellowrocket Barbarea orthoceras
Apocynum ×floribundum Apocynum ×floribundum
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
bitter fleabane Erigeron acris
bluntleaved orchid Platanthera obtusata
bog yellowcress Rorippa palustris
boreal starwort Stellaria borealis
brittle bladderfern Cystopteris fragilis
brook cinquefoil Potentilla rivalis
buffalobur nightshade Solanum rostratum
bushy knotweed Polygonum ramosissimum
Canadian gooseberry Ribes oxyacanthoides
carelessweed Cyclachaena xanthiifolia
chairmaker's bulrush Schoenoplectus americanus
clustered broomrape Orobanche fasciculata
common bladderwort Utricularia macrorhiza
curlycup gumweed Grindelia squarrosa
curlytop knotweed Polygonum lapathifolium
cutleaf nightshade Solanum triflorum
Dakota mock vervain Glandularia bipinnatifida
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
Dudley's rush Juncus dudleyi
elkweed Frasera speciosa
entireleaved thelypody Thelypodium integrifolium
Equisetum ×ferrissii Equisetum ×ferrissii
fairy slipper Calypso bulbosa
false buffalograss Munroa squarrosa
falsegold groundsel Packera pseudaurea
feathery false lily of the valley Maianthemum racemosum
fetid marigold Dyssodia papposa
fewflower spikerush Eleocharis quinqueflora
fineleaf hymenopappus Hymenopappus filifolius
flatspine bur ragweed Ambrosia acanthicarpa
flatspine stickseed Lappula occidentalis
fleshy starwort Stellaria crassifolia
foothill bladderpod Lesquerella ludoviciana
foxtail barley Hordeum jubatum
foxtail muhly Muhlenbergia andina
fragile rockbrake Cryptogramma stelleri
Fremont's goosefoot Chenopodium fremontii
fringed willowherb Epilobium ciliatum
giant red Indian paintbrush Castilleja miniata
Gmelin's buttercup Ranunculus gmelinii
greenflowered wintergreen Pyrola chlorantha
hairy evening primrose Oenothera villosa
hairy hedgenettle Stachys pilosa
hairy woodland brome Bromus pubescens
hemlock waterparsnip Sium suave
hoary tansyaster Machaeranthera canescens
hookedspur violet Viola adunca
horned pondweed Zannichellia palustris
Hornemann's willowherb Epilobium hornemannii
Illinois pondweed Potamogeton illinoensis
James' cryptantha Cryptantha cinerea
Laxmann's milkvetch Astragalus laxmannii
lemon scurfpea Psoralidium lanceolatum
lesser spikemoss Selaginella densa
little grapefern Botrychium simplex
liverleaf wintergreen Pyrola asarifolia
longleaf groundcherry Physalis longifolia
Louisiana broomrape Orobanche ludoviciana
male fern Dryopteris filix-mas
manybranched pepperweed Lepidium ramosissimum
manyflower stickseed Hackelia floribunda
manyflowered monkeyflower Mimulus floribundus
marsh arrowgrass Triglochin palustris
marsh skullcap Scutellaria galericulata
marsh violet Viola palustris
marsh willowherb Epilobium palustre
meadow deathcamas Zigadenus venenosus
meadow sedge Carex praticola
Menzies' campion Silene menziesii
milkflower willowherb Epilobium lactiflorum
Modoc yellowcress Rorippa tenerrima
Mojave seablite Suaeda moquinii
moss campion Silene acaulis
mountain deathcamas Zigadenus elegans
mountain tansymustard Descurainia incana
mountain tarweed Madia glomerata
narrowleaf bur-reed Sparganium angustifolium
narrowleaf four o'clock Mirabilis linearis
narrowleaf goosefoot Chenopodium leptophyllum
narrowleaf stoneseed Lithospermum incisum
neckweed Veronica peregrina
needleleaf sedge Carex duriuscula
nodding buckwheat Eriogonum cernuum
nodding chickweed Cerastium nutans
nodding onion Allium cernuum
northern bog aster Symphyotrichum boreale
northern bog violet Viola nephrophylla
Northern Idaho biscuitroot Lomatium orientale
northern sweetgrass Hierochloe hirta
northern water plantain Alisma triviale
Norwegian cinquefoil Potentilla norvegica
oneflowered broomrape Orobanche uniflora
Oregon cliff fern Woodsia oregana
painted milkvetch Astragalus ceramicus
pale false mannagrass Torreyochloa pallida
Paradox cinquefoil Potentilla paradoxa
Pennsylvania cinquefoil Potentilla pensylvanica
pimpernel willowherb Epilobium anagallidifolium
pinyon goosefoot Chenopodium atrovirens
plains bluegrass Poa arida
plains springparsley Cymopterus acaulis
pleated gentian Gentiana affinis
Porter brome Bromus porteri
povertyweed Iva axillaris
prairie goldenrod Oligoneuron album
prairie sandmat Chamaesyce missurica
prairie sunflower Helianthus petiolaris
pullup muhly Muhlenbergia filiformis
purple meadow-rue Thalictrum dasycarpum
purple reedgrass Calamagrostis purpurascens
Pursh seepweed Suaeda calceoliformis
pygmyflower rockjasmine Androsace septentrionalis
rayless alkali aster Symphyotrichum ciliatum
red baneberry Actaea rubra
redwhisker clammyweed Polanisia dodecandra
redwool plantain Plantago eriopoda
ribseed sandmat Chamaesyce glyptosperma
Richardson's pondweed Potamogeton richardsonii
Rocky Mountain fescue Festuca saximontana
Rocky Mountain goosefoot Chenopodium salinum
Rocky Mountain rush Juncus saximontanus
Rocky Mountain woodsia Woodsia scopulina
rosy pussytoes Antennaria rosea
rough barnyardgrass Echinochloa muricata
roughfruit fairybells Prosartes trachycarpa
rush skeletonplant Lygodesmia juncea
rusty lupine Lupinus pusillus
sagebrush violet Viola vallicola
saline saltbush Atriplex subspicata
salt sandspurry Spergularia salina
sanddune cryptantha Cryptantha fendleri
Sartwell's sedge Carex sartwellii
scarlet beeblossom Oenothera suffrutescens
scentbottle Platanthera dilatata
Scouler's popcornflower Plagiobothrys scouleri
scrambled eggs Corydalis aurea
seaside arrowgrass Triglochin maritima
shaggy fleabane Erigeron pumilus
sheathed pondweed Stuckenia vaginata
shortray fleabane Erigeron lonchophyllus
shortspike watermilfoil Myriophyllum sibiricum
shortstalk chickweed Cerastium brachypodum
shy wallflower Erysimum inconspicuum
sidebells wintergreen Orthilia secunda
silverscale saltbush Atriplex argentea
single delight Moneses uniflora
sixweeks fescue Vulpia octoflora
slender lipfern Cheilanthes feei
slender phlox Microsteris gracilis
slender-spire orchid Piperia unalascensis
small bur-reed Sparganium natans
small pondweed Potamogeton pusillus
small-leaf pussytoes Antennaria parvifolia
snowline wintergreen Pyrola minor
spearleaf stonecrop Sedum lanceolatum
spiny milkvetch Astragalus kentrophyta
spiny phlox Phlox hoodii
spiral ditchgrass Ruppia cirrhosa
spotted fritillary Fritillaria atropurpurea
spotted water hemlock Cicuta maculata
spreading dogbane Apocynum androsaemifolium
spreading fleabane Erigeron divergens
starry false lily of the valley Maianthemum stellatum
stemless four-nerve daisy Tetraneuris acaulis
strict blue-eyed grass Sisyrinchium montanum
summer coralroot Corallorhiza maculata
sweetcicely Osmorhiza berteroi
tall annual willowherb Epilobium brachycarpum
tarragon Artemisia dracunculus
threadleaf crowfoot Ranunculus trichophyllus
threenerve goldenrod Solidago velutina
tiny trumpet Collomia linearis
tobacco root Valeriana edulis
tower rockcress Arabis glabra
tufted lovegrass Eragrostis pectinacea
tumblegrass Schedonnardus paniculatus
twinflower Linnaea borealis
twoleaf waterweed Elodea bifoliata
variegated scouringrush Equisetum variegatum
veiny dock Rumex venosus
veiny meadow-rue Thalictrum venulosum
velvetweed Oenothera curtiflora
velvety goldenrod Solidago mollis
Virginia strawberry Fragaria virginiana
water minerslettuce Montia chamissoi
water whorlgrass Catabrosa aquatica
waterawlwort Subularia aquatica
wavyleaf thistle Cirsium undulatum
western blue virginsbower Clematis occidentalis
western marsh cudweed Gnaphalium palustre
western poison ivy Toxicodendron rydbergii
western tansymustard Descurainia pinnata
white heath aster Symphyotrichum ericoides
white prairie aster Symphyotrichum falcatum
whitestem blazingstar Mentzelia albicaulis
witchgrass Panicum capillare
wood bluegrass Poa nemoralis
woodland draba Draba nemorosa
woodland strawberry Fragaria vesca
woolly sedge Carex pellita
yellow avens Geum aleppicum
yellow coralroot Corallorhiza trifida

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.

biennial wormwoodArtemisia biennis
claspleaf twistedstalkStreptopus amplexifolius
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, Fremont County and Wyoming
Measure	Fremont County	Typical county	Statewide
Native species	582	414	1,060
Garden-ready natives	355	243	576
Tree	36	—	69
Shrub	59	—	89
Wildflower (forb)	343	—	606
Grass or grass-like	125	—	242
Vine	5	—	17
Fern	14	—	37

Neighboring counties

Counties that share a ZIP code with Fremont County.

Natrona County, WY 258 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: Fremont County (county FIPS 56013), Wyoming. 582 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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