Native plants · Montana
Native plants of Fergus County
240 plant species are recorded as native to Montana in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Fergus County by USDA PLANTS. 138 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
Fergus County, Montana
- Native species
- 240 Typical Montana county: 161 (median of 56 counties)
- Garden-ready natives
- 138 Typical Montana county: 104
- Share by type (all 240 native species)
-
Percent of the 240 native species in each growth type
Wildflowers make up the largest share of the native list (67%), followed by shrubs (14%).
The native plant list
Garden-ready natives 138
Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.
| Plant | Type | Height | Light | Water use | Hardy to |
|---|---|---|---|---|---|
| alkali buttercup Ranunculus cymbalaria | Wildflower (forb) | 1 ft | Shade-tolerant | High | Zone 3b |
| alpine leafybract aster Symphyotrichum foliaceum | Wildflower (forb) | 2 ft | Sun | Medium | Zone 3b |
| American bistort Polygonum bistortoides | Wildflower (forb) | 1.5 ft | Sun | High | Zone 3b |
| American black currant Ribes americanum | Shrub | 3 ft | — | — | Zone 2b |
| 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 vetch Vicia americana | Vine | 1.3 ft | Sun | Low | Zone 3b |
| arrowleaf balsamroot Balsamorhiza sagittata | Wildflower (forb) | 2 ft | Sun–part shade | Medium | Zone 3b |
| beaked sedge Carex rostrata | Grass or grass-like | 3.5 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 |
| black hawthorn Crataegus douglasii | Tree | 15 ft | Sun–part shade | High | Zone 2b |
| blanketflower Gaillardia aristata | Wildflower (forb) | 2 ft | Sun | Medium | Zone 4a |
| 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 |
| 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 |
| 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 |
| chokecherry Prunus virginiana | Tree | 25 ft | Sun | Medium | Zone 3a |
| cloaked bulrush Scirpus pallidus | Grass or grass-like | 5 ft | Sun | Medium | Zone 3b |
| common cowparsnip Heracleum maximum | Wildflower (forb) | 8 ft | 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 selfheal Prunella vulgaris | Wildflower (forb) | 1.5 ft | Sun–part shade | Medium | Zone 3b |
| common snowberry Symphoricarpos albus | Shrub | 3 ft | Sun | Medium | Zone 3b |
| creeping barberry Mahonia repens | Shrub | 2 ft | Shade-tolerant | Medium | Zone 5a |
| creeping juniper Juniperus horizontalis | Shrub | 4 ft | Sun | High | Zone 3a |
| cutleaf coneflower Rudbeckia laciniata | Wildflower (forb) | 8.2 ft | Shade-tolerant | Low | Zone 3b |
| 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 |
| downy paintedcup Castilleja sessiliflora | Wildflower (forb) | 1.3 ft | Sun | Low | 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 |
| fiddleleaf hawksbeard Crepis runcinata | Wildflower (forb) | 1 ft | Sun | Medium | Zone 3b |
| fireweed Chamerion angustifolium | Wildflower (forb) | 5.5 ft | Sun–part shade | High | Zone 3b |
| fowl bluegrass Poa palustris | Grass or grass-like | 4 ft | Sun–part shade | Medium | Zone 3b |
| 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 |
| 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 |
| greasewood Sarcobatus vermiculatus | Shrub | 10 ft | Sun | Low | Zone 3b |
| 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 |
| hairy false goldenaster Heterotheca villosa | Wildflower (forb) | 3 ft | Sun | Low | Zone 4a |
| 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 |
| low pussytoes Antennaria dimorpha | Wildflower (forb) | 4 in | Sun–part shade | Low | Zone 3b |
| Lyall's angelica Angelica arguta | Wildflower (forb) | 6 ft | Sun–part shade | High | Zone 5b |
| Macoun's buttercup Ranunculus macounii | Wildflower (forb) | 1 ft | Sun | — | Zone 1a |
| mallow ninebark Physocarpus malvaceus | Shrub | 15 ft | Sun | Low | Zone 4a |
| Missouri goldenrod Solidago missouriensis | Wildflower (forb) | 3 ft | Sun–part shade | 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 |
| 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 |
| nineleaf biscuitroot Lomatium triternatum | Wildflower (forb) | 2.2 ft | Sun–part shade | Medium | Zone 4a |
| nodding microseris Microseris nutans | Wildflower (forb) | 2 ft | Shade-tolerant | Medium | Zone 4b |
| 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 |
| Nuttall's povertyweed Monolepis nuttalliana | Wildflower (forb) | 10 in | Sun | Medium | Zone 12a |
| old man's whiskers Geum triflorum | Wildflower (forb) | 1.5 ft | Sun–part shade | Medium | Zone 3b |
| oneflower helianthella Helianthella uniflora | Wildflower (forb) | 2 ft | Sun–part shade | Low | Zone 5a |
| 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 pricklypear Opuntia polyacantha | Shrub | 2 ft | Sun | Low | Zone 4b |
| ponderosa pine Pinus ponderosa | Tree | 223 ft | Sun | Medium | Zone 3b |
| prairie sagewort Artemisia frigida | Shrub | 2 ft | Sun–part shade | Low | Zone 3a |
| 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 |
| 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 |
| Richardson's geranium Geranium richardsonii | Wildflower (forb) | 3 ft | Sun–part shade | High | Zone 3b |
| Rocky Mountain beeplant Cleome serrulata | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 12b |
| Rocky Mountain maple Acer glabrum | Tree | 30 ft | Sun–part shade | Low | Zone 3a |
| 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 |
| rush pussytoes Antennaria luzuloides | Wildflower (forb) | 2 ft | Sun | Medium | Zone 4a |
| russet buffaloberry Shepherdia canadensis | Shrub | 6 ft | Sun–part shade | Medium | Zone 1a |
| salt heliotrope Heliotropium curassavicum | Wildflower (forb) | 1.2 ft | Sun | Medium | Zone 4b |
| sandbar willow Salix interior | Tree | 30 ft | Sun | — | Zone 1a |
| 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 |
| seep monkeyflower Mimulus guttatus | Wildflower (forb) | 2.5 ft | Shade-tolerant | High | Zone 3b |
| shortawn foxtail Alopecurus aequalis | Grass or grass-like | 2.5 ft | Sun–part shade | High | Zone 3b |
| shrubby cinquefoil Dasiphora fruticosa | Shrub | 2.5 ft | Sun–part shade | Low | 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 |
| 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 |
| 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 |
| 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 |
| sulphur-flower buckwheat Eriogonum umbellatum | Shrub | 1 ft | Sun | Low | Zone 8a |
| tall cinquefoil Potentilla arguta | Wildflower (forb) | 3 ft | Sun–part shade | Medium | 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 |
| thimbleberry Rubus parviflorus | Shrub | 4 ft | Sun–part shade | High | Zone 4b |
| thinleaf huckleberry Vaccinium membranaceum | Shrub | 4.5 ft | Sun–part shade | Low | Zone 3b |
| thinleaved owl's-clover Orthocarpus tenuifolius | Wildflower (forb) | 1 ft | Sun | Low | Zone 12b |
| 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 |
| tufted evening primrose Oenothera caespitosa | Wildflower (forb) | 6 in | Sun | Low | Zone 6a |
| upright prairie coneflower Ratibida columnifera | Wildflower (forb) | 3.1 ft | Sun | Medium | Zone 3a |
| 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 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 water hemlock Cicuta douglasii | Wildflower (forb) | 6 ft | Sun | High | Zone 4b |
| 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 |
| white sweetvetch Hedysarum sulphurescens | Wildflower (forb) | 1.5 ft | Sun–part shade | Low | Zone 4a |
| wild bergamot Monarda fistulosa | Wildflower (forb) | 4.9 ft | Sun–part shade | 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 owl's-clover Orthocarpus luteus | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 12b |
| yellow rabbitbrush Chrysothamnus viscidiflorus | Shrub | 3 ft | Sun | Low | Zone 5a |
| yellow willow Salix lutea | Tree | 16 ft | Sun–part shade | High | Zone 3a |
No garden-ready natives match these filters. Try clearing one.
Other native species recorded here 102
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.
Hidden while “Garden-ready only” is on.
- American mannagrass Glyceria grandis
- American sloughgrass Beckmannia syzigachne
- Aunt Lucy Ellisia nyctelea
- bastard toadflax Comandra umbellata
- Bebb willow Salix bebbiana
- bigbract verbena Verbena bracteata
- bog yellowcress Rorippa palustris
- Canada lettuce Lactuca canadensis
- Canadian gooseberry Ribes oxyacanthoides
- carelessweed Cyclachaena xanthiifolia
- common starlily Leucocrinum montanum
- Cuman ragweed Ambrosia psilostachya
- curlycup gumweed Grindelia squarrosa
- cutleaf nightshade Solanum triflorum
- desert biscuitroot Lomatium foeniculaceum
- desert princesplume Stanleya pinnata
- Douglas' knotweed Polygonum douglasii
- elkweed Frasera speciosa
- erect knotweed Polygonum erectum
- fairy slipper Calypso bulbosa
- feathery false lily of the valley Maianthemum racemosum
- fineleaf hymenopappus Hymenopappus filifolius
- fireberry hawthorn Crataegus chrysocarpa
- 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 loosestrife Lysimachia ciliata
- fringed willowherb Epilobium ciliatum
- great ragweed Ambrosia trifida
- hairy evening primrose Oenothera villosa
- hairy hedgenettle Stachys pilosa
- hedge false bindweed Calystegia sepium
- hemlock waterparsnip Sium suave
- hoary tansyaster Machaeranthera canescens
- hooded coralroot Corallorhiza striata
- large Indian breadroot Pediomelum esculentum
- Laxmann's milkvetch Astragalus laxmannii
- leathery knotweed Polygonum achoreum
- longleaf groundcherry Physalis longifolia
- longstyle sweetroot Osmorhiza longistylis
- Louisiana broomrape Orobanche ludoviciana
- manyflower stickseed Hackelia floribunda
- mapleleaf goosefoot Chenopodium simplex
- marsh skullcap Scutellaria galericulata
- Maryland sanicle Sanicula marilandica
- meadow deathcamas Zigadenus venenosus
- narrowleaf four o'clock Mirabilis linearis
- narrowleaf stoneseed Lithospermum incisum
- needleleaf sedge Carex duriuscula
- nodding onion Allium cernuum
- northern woodland violet Viola septentrionalis
- Pennsylvania cinquefoil Potentilla pensylvanica
- pimpernel willowherb Epilobium anagallidifolium
- povertyweed Iva axillaris
- prairie rose Rosa arkansana
- prairie sunflower Helianthus petiolaris
- purple meadow-rue Thalictrum dasycarpum
- Pursh seepweed Suaeda calceoliformis
- red baneberry Actaea rubra
- Rocky Mountain fescue Festuca saximontana
- rosy pussytoes Antennaria rosea
- roughfruit fairybells Prosartes trachycarpa
- rush skeletonplant Lygodesmia juncea
- rusty lupine Lupinus pusillus
- scarlet beeblossom Oenothera suffrutescens
- scrambled eggs Corydalis aurea
- shaggy fleabane Erigeron pumilus
- shy wallflower Erysimum inconspicuum
- silverleaf Indian breadroot Pediomelum argophyllum
- silverscale saltbush Atriplex argentea
- slender lipfern Cheilanthes feei
- slender phlox Microsteris gracilis
- small-leaf pussytoes Antennaria parvifolia
- spearleaf stonecrop Sedum lanceolatum
- spiny phlox Phlox hoodii
- spinystar Escobaria vivipara
- spreading fleabane Erigeron divergens
- Sprengel's sedge Carex sprengelii
- starry false lily of the valley Maianthemum stellatum
- stemless four-nerve daisy Tetraneuris acaulis
- stiffstem flax Linum rigidum
- tall annual willowherb Epilobium brachycarpum
- tarragon Artemisia dracunculus
- tiny trumpet Collomia linearis
- tower rockcress Arabis glabra
- veiny meadow-rue Thalictrum venulosum
- Virginia strawberry Fragaria virginiana
- warty spurge Euphorbia spathulata
- water whorlgrass Catabrosa aquatica
- wavyleaf thistle Cirsium undulatum
- western poison ivy Toxicodendron rydbergii
- western rockjasmine Androsace occidentalis
- western tansymustard Descurainia pinnata
- white prairie aster Symphyotrichum falcatum
- whitest evening primrose Oenothera albicaulis
- whitestem blazingstar Mentzelia albicaulis
- wood lily Lilium philadelphicum
- woolly cinquefoil Potentilla hippiana
- yellow avens Geum aleppicum
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.
- annual ragweedAmbrosia artemisiifolia
- common pepperweedLepidium densiflorum
- 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.
| Measure | Fergus County | Typical county | Statewide |
|---|---|---|---|
| Native species | 240 | 161 | 1,086 |
| Garden-ready natives | 138 | 104 | 606 |
| Tree | 20 | — | 71 |
| Shrub | 33 | — | 98 |
| Wildflower (forb) | 160 | — | 609 |
| Grass or grass-like | 21 | — | 246 |
| Vine | 5 | — | 18 |
| Fern | 1 | — | 44 |
Neighboring counties
Counties that share a ZIP code with Fergus County.
- Judith Basin County, MT 89 garden-ready
- Petroleum County, MT 90 garden-ready
- Wheatland County, MT 71 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
- Fergus County (county FIPS 30027), Montana. 240 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