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Native plants · Montana

Native plants of Valley County

359 plant species are recorded as native to Montana in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Valley County by USDA PLANTS. 185 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 5 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Valley County, Montana

Native species
359 Typical Montana county: 161 (median of 56 counties)
Garden-ready natives
185 Typical Montana county: 104
Share by type (all 359 native species)
Percent of the 359 native species in each growth type
Tree 5% (18)
Shrub 8% (30)
Wildflower (forb) 63% (226)
Grass or grass-like 19% (70)
Vine 2% (8)
Fern 2% (7)

Wildflowers make up the largest share of the native list (63%), followed by grasses and grass-like plants (19%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zones 3b to 4a (2023 map).

The native plant list

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

Garden-ready natives 185

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

Garden-ready native plants of Valley County, Montana
PlantType HeightLight Water useHardy to
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
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
American plum Prunus americana Tree 24 ft Sun Medium Zone 3b
American red raspberry Rubus idaeus Shrub 6 ft Shade-tolerant — Zone 1a
American vetch Vicia americana Vine 1.3 ft Sun Low Zone 3b
American water horehound Lycopus americanus Wildflower (forb) 1.8 ft Shade-tolerant High Zone 3b
arumleaf arrowhead Sagittaria cuneata Wildflower (forb) 2.6 ft Sun Medium Zone 4a
Bebb's sedge Carex bebbii Grass or grass-like 3 ft Shade-tolerant High Zone 3b
big sagebrush Artemisia tridentata Tree 4 ft Sun Medium Zone 3a
bigseed biscuitroot Lomatium macrocarpum Wildflower (forb) 6 in Sun Low Zone 4b
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
bog willowherb Epilobium leptophyllum Wildflower (forb) 3.6 ft Sun–part shade High Zone 4a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broadfruit bur-reed Sparganium eurycarpum Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
broadleaf 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
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
California amaranth Amaranthus californicus Wildflower (forb) 1 ft Sun Medium Zone 7a
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 waterweed Elodea canadensis Wildflower (forb) — Sun High Zone 4a
Carolina foxtail Alopecurus carolinianus Grass or grass-like 1.7 ft Sun Low Zone 3a
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
cloaked bulrush Scirpus pallidus Grass or grass-like 5 ft Sun Medium Zone 3b
clustered field sedge Carex praegracilis Grass or grass-like 2 ft Sun–part shade 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 juniper Juniperus communis Tree 10 ft Sun Low Zone 3a
common snowberry Symphoricarpos albus Shrub 3 ft Sun Medium Zone 3b
common spikerush Eleocharis palustris Grass or grass-like 1.3 ft Sun High Zone 3b
common threesquare Schoenoplectus pungens Grass or grass-like 4.9 ft Sun High Zone 3b
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 juniper Juniperus horizontalis Shrub 4 ft Sun High Zone 3a
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
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
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
downy paintedcup Castilleja sessiliflora Wildflower (forb) 1.3 ft Sun Low Zone 3b
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
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
foothill arnica Arnica fulgens Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4b
fowl bluegrass Poa palustris Grass or grass-like 4 ft Sun–part shade Medium Zone 3b
Gardner's saltbush Atriplex gardneri Shrub 4 ft Sun Low Zone 3b
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
glaucus willowherb Epilobium glaberrimum Wildflower (forb) 2 ft Shade-tolerant Medium Zone 6b
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
golden sedge Carex aurea Grass or grass-like 1.2 ft Sun–part shade High Zone 4a
golden tickseed Coreopsis tinctoria Wildflower (forb) 3 ft Sun–part shade High Zone 12b
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
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
high northern buttercup Ranunculus hyperboreus Wildflower (forb) 1 ft Sun — Zone 1a
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
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
largeflower hawksbeard Crepis occidentalis Wildflower (forb) 11 in Sun Low Zone 5a
Lewis flax Linum lewisii Wildflower (forb) 2.5 ft Sun Medium Zone 3b
little bluestem Schizachyrium scoparium Grass or grass-like 3 ft Sun Low Zone 3b
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
longstyle rush Juncus longistylis Grass or grass-like 1.8 ft Sun–part shade High Zone 3b
Macoun's buttercup Ranunculus macounii Wildflower (forb) 1 ft Sun — Zone 1a
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
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
muttongrass Poa fendleriana Grass or grass-like 2 ft Sun Low Zone 3b
narrowleaf water plantain Alisma gramineum Wildflower (forb) 1.5 ft Sun High Zone 3a
narrowleaf willow Salix exigua Tree 10 ft Sun–part shade High Zone 3b
needle 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
Nootka rose Rosa nutkana Shrub 10 ft Shade-tolerant High Zone 8a
northern bedstraw Galium boreale Wildflower (forb) 3 ft Sun–part shade Medium Zone 4a
northern water-starwort Callitriche hermaphroditica Wildflower (forb) — Sun High 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
Pacific anemone Anemone multifida Wildflower (forb) 2 ft Shade-tolerant Medium Zone 5a
pale agoseris Agoseris glauca Shrub 1 ft Sun Medium Zone 4a
peachleaf willow Salix amygdaloides Tree 60 ft Sun High 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
Platte River cinquefoil Potentilla plattensis Wildflower (forb) 6 in Sun–part shade Medium Zone 3b
ponderosa pine Pinus ponderosa Tree 223 ft Sun 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 rose Rosa acicularis Shrub 4 ft Shade-tolerant High Zone 3b
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low Zone 3b
purple milkvetch Astragalus agrestis Wildflower (forb) 1 ft Sun Low Zone 4a
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
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
river bulrush Bolboschoenus fluviatilis Grass or grass-like 6.6 ft Sun Medium Zone 3b
Rocky Mountain juniper Juniperus scopulorum Tree 50 ft Sun Low Zone 3b
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
sagebrush buttercup Ranunculus glaberrimus Wildflower (forb) 6 in Sun High Zone 3a
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
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
sandbar willow Salix interior Tree 30 ft Sun — Zone 1a
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
scarlet globemallow Sphaeralcea coccinea Wildflower (forb) 1.5 ft Sun Low Zone 5a
sea milkwort Glaux maritima Wildflower (forb) 11 in Sun High Zone 4a
shadscale saltbush Atriplex confertifolia Shrub 3 ft Sun Medium 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
shrubby cinquefoil Dasiphora fruticosa Shrub 2.5 ft Sun–part shade 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
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
slimstem reedgrass Calamagrostis stricta Grass or grass-like 3 ft Sun–part shade High Zone 3a
smooth blue aster Symphyotrichum laeve Wildflower (forb) 4 ft Sun Medium Zone 3a
smooth horsetail Equisetum laevigatum Fern 5 ft Sun Low Zone 3b
soapweed yucca Yucca glauca Shrub 1 ft Sun Low Zone 4b
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
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
sticky purple geranium Geranium viscosissimum Wildflower (forb) 3 ft Shade-tolerant Low Zone 6a
stiff goldenrod Oligoneuron rigidum Wildflower (forb) 3.6 ft Sun–part shade Medium Zone 3a
tall cinquefoil Potentilla arguta Wildflower (forb) 3 ft Sun–part shade 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
thrift mock goldenweed Stenotus armerioides Wildflower (forb) 1 ft Sun Low Zone 5a
tiny mousetail Myosurus minimus Wildflower (forb) 5 in Sun–part shade Medium Zone 12b
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
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
twoheaded water-starwort Callitriche heterophylla Wildflower (forb) — Sun High Zone 4a
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
Utah sweetvetch Hedysarum boreale Wildflower (forb) 2 ft Sun Medium Zone 3b
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
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 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
wheat sedge Carex atherodes Grass or grass-like 5 ft Sun High Zone 3b
white panicle aster Symphyotrichum lanceolatum Wildflower (forb) 6 ft Sun–part shade High Zone 3b
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
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 evening primrose Oenothera flava Wildflower (forb) 2.5 ft Sun–part shade Medium Zone 4a
yellow owl's-clover Orthocarpus luteus Wildflower (forb) 1.5 ft Sun Low Zone 12b
yellow willow Salix lutea Tree 16 ft Sun–part shade High Zone 3a

Other native species recorded here 174

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.

  • American bird's-foot trefoil Lotus unifoliolatus
  • American sloughgrass Beckmannia syzigachne
  • aridland goosefoot Chenopodium desiccatum
  • Aunt Lucy Ellisia nyctelea
  • bastard toadflax Comandra umbellata
  • beautiful cinquefoil Potentilla pulcherrima
  • big devils beggartick Bidens vulgata
  • bigbract verbena Verbena bracteata
  • bog yellowcress Rorippa palustris
  • brittle bladderfern Cystopteris fragilis
  • brittle pricklypear Opuntia fragilis
  • brook cinquefoil Potentilla rivalis
  • bushy knotweed Polygonum ramosissimum
  • Canadian gooseberry Ribes oxyacanthoides
  • carelessweed Cyclachaena xanthiifolia
  • Carolina draba Draba reptans
  • chaffweed Anagallis minima
  • clustered broomrape Orobanche fasciculata
  • Cuman ragweed Ambrosia psilostachya
  • curlycup gumweed Grindelia squarrosa
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf nightshade Solanum triflorum
  • desert biscuitroot Lomatium foeniculaceum
  • desert goosefoot Chenopodium pratericola
  • Douglas' knotweed Polygonum douglasii
  • Drummond's campion Silene drummondii
  • Drummond's false pennyroyal Hedeoma drummondii
  • Dudley's rush Juncus dudleyi
  • erect knotweed Polygonum erectum
  • false buffalograss Munroa squarrosa
  • fetid marigold Dyssodia papposa
  • fineleaf hymenopappus Hymenopappus filifolius
  • fiveangled dodder Cuscuta pentagona
  • flatspine stickseed Lappula occidentalis
  • Flodman's thistle Cirsium flodmanii
  • foothill bladderpod Lesquerella ludoviciana
  • foxtail barley Hordeum jubatum
  • fragrant bedstraw Galium triflorum
  • Fremont's goosefoot Chenopodium fremontii
  • fringed willowherb Epilobium ciliatum
  • grand redstem Ammannia robusta
  • great ragweed Ambrosia trifida
  • green comet milkweed Asclepias viridiflora
  • groundplum milkvetch Astragalus crassicarpus
  • hairy evening primrose Oenothera villosa
  • hairy hedgenettle Stachys pilosa
  • hairy waterclover Marsilea vestita
  • hazel dodder Cuscuta coryli
  • hedge false bindweed Calystegia sepium
  • hemlock waterparsnip Sium suave
  • hoary tansyaster Machaeranthera canescens
  • horsetail Equisetum ×nelsonii
  • Howell's pussytoes Antennaria howellii
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf sage Salvia reflexa
  • large Indian breadroot Pediomelum esculentum
  • Laxmann's milkvetch Astragalus laxmannii
  • leathery knotweed Polygonum achoreum
  • lemon scurfpea Psoralidium lanceolatum
  • lesser spikemoss Selaginella densa
  • lesser wirelettuce Stephanomeria minor
  • lilac penstemon Penstemon gracilis
  • long-stolon sedge Carex inops
  • longleaf groundcherry Physalis longifolia
  • manybranched pepperweed Lepidium ramosissimum
  • manyflower stickseed Hackelia floribunda
  • mapleleaf goosefoot Chenopodium simplex
  • matted sandmat Chamaesyce serpens
  • meadow deathcamas Zigadenus venenosus
  • meadow zizia Zizia aptera
  • Modoc yellowcress Rorippa tenerrima
  • Mojave seablite Suaeda moquinii
  • mountain tansymustard Descurainia incana
  • mountain tarweed Madia glomerata
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • neckweed Veronica peregrina
  • needleleaf navarretia Navarretia intertexta
  • needleleaf sedge Carex duriuscula
  • nodding buckwheat Eriogonum cernuum
  • northern bog violet Viola nephrophylla
  • northern water plantain Alisma triviale
  • Norwegian cinquefoil Potentilla norvegica
  • Oregon cliff fern Woodsia oregana
  • pale spikerush Eleocharis macrostachya
  • Paradox cinquefoil Potentilla paradoxa
  • Pennsylvania cinquefoil Potentilla pensylvanica
  • Pennsylvania pellitory Parietaria pensylvanica
  • pitseed goosefoot Chenopodium berlandieri
  • plains bluegrass Poa arida
  • plains springparsley Cymopterus acaulis
  • povertyweed Iva axillaris
  • prairie false dandelion Nothocalais cuspidata
  • prairie plantain Plantago elongata
  • prairie rose Rosa arkansana
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • Pursh seepweed Suaeda calceoliformis
  • pygmyflower rockjasmine Androsace septentrionalis
  • rayless alkali aster Symphyotrichum ciliatum
  • redwhisker clammyweed Polanisia dodecandra
  • redwool plantain Plantago eriopoda
  • ribseed sandmat Chamaesyce glyptosperma
  • Richardson's alumroot Heuchera richardsonii
  • Richardson's pondweed Potamogeton richardsonii
  • Rocky Mountain fescue Festuca saximontana
  • Rocky Mountain goosefoot Chenopodium salinum
  • rosy pussytoes Antennaria rosea
  • rough barnyardgrass Echinochloa muricata
  • rough false pennyroyal Hedeoma hispida
  • roughfruit fairybells Prosartes trachycarpa
  • rush skeletonplant Lygodesmia juncea
  • rusty lupine Lupinus pusillus
  • sagebrush violet Viola vallicola
  • salt sandspurry Spergularia salina
  • scarlet beeblossom Oenothera suffrutescens
  • Scouler's popcornflower Plagiobothrys scouleri
  • seaside arrowgrass Triglochin maritima
  • shaggy fleabane Erigeron pumilus
  • shortbeak sedge Carex brevior
  • shortspike watermilfoil Myriophyllum sibiricum
  • shortstalk chickweed Cerastium brachypodum
  • shy wallflower Erysimum inconspicuum
  • silverleaf Indian breadroot Pediomelum argophyllum
  • silverscale saltbush Atriplex argentea
  • sixweeks fescue Vulpia octoflora
  • slimpod Venus' looking-glass Triodanis leptocarpa
  • small pondweed Potamogeton pusillus
  • small-leaf pussytoes Antennaria parvifolia
  • southwestern waterwort Elatine rubella
  • spiny milkvetch Astragalus kentrophyta
  • spiny phlox Phlox hoodii
  • spinystar Escobaria vivipara
  • spotted water hemlock Cicuta maculata
  • Sprengel's sedge Carex sprengelii
  • starry false lily of the valley Maianthemum stellatum
  • stemless four-nerve daisy Tetraneuris acaulis
  • stemless Townsend daisy Townsendia exscapa
  • stiff sunflower Helianthus pauciflorus
  • stiffstem flax Linum rigidum
  • strict blue-eyed grass Sisyrinchium montanum
  • tall annual willowherb Epilobium brachycarpum
  • tarragon Artemisia dracunculus
  • threadleaf crowfoot Ranunculus trichophyllus
  • tiny trumpet Collomia linearis
  • tower rockcress Arabis glabra
  • tumblegrass Schedonnardus paniculatus
  • turion duckweed Lemna turionifera
  • veiny dock Rumex venosus
  • velvetweed Oenothera curtiflora
  • velvety goldenrod Solidago mollis
  • warty spurge Euphorbia spathulata
  • water mudwort Limosella aquatica
  • wavyleaf thistle Cirsium undulatum
  • western marsh cudweed Gnaphalium palustre
  • western poison ivy Toxicodendron rydbergii
  • western rockjasmine Androsace occidentalis
  • western tansymustard Descurainia pinnata
  • western wallflower Erysimum asperum
  • white heath aster Symphyotrichum ericoides
  • white prairie aster Symphyotrichum falcatum
  • whitest evening primrose Oenothera albicaulis
  • whitestem blazingstar Mentzelia albicaulis
  • whorl-leaf watermilfoil Myriophyllum verticillatum
  • whorled milkweed Asclepias verticillata
  • whorled milkwort Polygala verticillata
  • witchgrass Panicum capillare
  • woodbine Parthenocissus vitacea
  • woodland draba Draba nemorosa
  • woodland strawberry Fragaria vesca
  • woolly cinquefoil Potentilla hippiana
  • woolly sedge Carex pellita
  • yellow avens Geum aleppicum
Also listed as native and introduced here 5

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

  • annual ragweedAmbrosia artemisiifolia
  • biennial wormwoodArtemisia biennis
  • common pepperweedLepidium densiflorum
  • common reedPhragmites australis
  • Kentucky bluegrassPoa pratensis

Compared with Montana

The typical county is the median of the 56 Montana 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, Valley County and Montana
MeasureValley CountyTypical countyStatewide
Native species 359 161 1,086
Garden-ready natives 185 104 606
Tree 18 — 71
Shrub 30 — 98
Wildflower (forb) 226 — 609
Grass or grass-like 70 — 246
Vine 8 — 18
Fern 7 — 44

Neighboring counties

Counties that share a ZIP code with Valley County.

Look up another ZIP

Matches your ZIP to the county it mostly lies in, then lists the plants recorded as native to your state (Kew’s World Checklist and USDA PLANTS) and recorded in that county by USDA PLANTS.

Source & data date

Source
USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
Citation
USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
Data date
Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
Zones
USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
Scope
Valley County (county FIPS 30105), Montana. 359 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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