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Native plants · Idaho

Native plants of Minidoka County

46 plant species are recorded as native to Idaho in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Minidoka County by USDA PLANTS. 35 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 1 more species is listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Minidoka County, Idaho

Native species
46 Typical Idaho county: 302 (median of 44 counties)
Garden-ready natives
35 Typical Idaho county: 211
Share by type (all 46 native species)
Percent of the 46 native species in each growth type
Tree 7% (3)
Shrub 15% (7)
Wildflower (forb) 52% (24)
Grass or grass-like 26% (12)

Wildflowers make up the largest share of the native list (52%), followed by grasses and grass-like plants (26%).

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

ZIP codes mainly in this county fall in USDA hardiness zones 6a to 6b (2023 map).

The native plant list

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

Garden-ready natives 35

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

Garden-ready native plants of Minidoka County, Idaho
PlantType HeightLight Water useHardy to
American speedwell Veronica americana Wildflower (forb) 10 in Shade-tolerant High Zone 3b
Anderson's larkspur Delphinium andersonii Wildflower (forb) 2 ft Shade-tolerant Low Zone 5b
annual hairgrass Deschampsia danthonioides Grass or grass-like 1.5 ft Sun–part shade Medium Zone 12b
basalt milkvetch Astragalus filipes Wildflower (forb) 2 ft Sun Low Zone 5a
bluebunch wheatgrass Pseudoroegneria spicata Grass or grass-like 3 ft Sun Low Zone 3b
Canadian milkvetch Astragalus canadensis Wildflower (forb) 6 in Sun Medium Zone 3b
Carolina foxtail Alopecurus carolinianus Grass or grass-like 1.7 ft Sun Low Zone 3a
curvepod milkvetch Astragalus curvicarpus Wildflower (forb) 5 in Sun Low Zone 5a
Douglas' dustymaiden Chaenactis douglasii Wildflower (forb) 1.6 ft Sun–part shade Low Zone 3b
freckled milkvetch Astragalus lentiginosus Shrub 1.4 ft Sun Low Zone 4b
granite prickly phlox Linanthus pungens Wildflower (forb) 2 ft Shade-tolerant Low Zone 4a
Hooker's balsamroot Balsamorhiza hookeri Wildflower (forb) 1 ft Sun–part shade Medium Zone 5b
longleaf phlox Phlox longifolia Wildflower (forb) 1.2 ft Sun–part shade Low Zone 6a
longstalk starwort Stellaria longipes Wildflower (forb) 11 in Sun–part shade High Zone 4a
narrowleaf cottonwood Populus angustifolia Tree 60 ft Sun High Zone 4b
narrowleaf willow Salix exigua Tree 10 ft Sun–part shade High Zone 3b
Nuttall's povertyweed Monolepis nuttalliana Wildflower (forb) 10 in Sun Medium Zone 12a
pale evening primrose Oenothera pallida Wildflower (forb) 2 ft Sun Low Zone 3b
peachleaf willow Salix amygdaloides Tree 60 ft Sun High Zone 4a
plains pricklypear Opuntia polyacantha Shrub 2 ft Sun Low Zone 4b
Rocky Mountain beeplant Cleome serrulata Wildflower (forb) 3 ft Sun–part shade Medium Zone 12b
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
saltgrass Distichlis spicata Grass or grass-like 1.1 ft Sun Medium Zone 3b
scratchgrass Muhlenbergia asperifolia Grass or grass-like 2 ft Shade-tolerant High Zone 5b
shortawn foxtail Alopecurus aequalis Grass or grass-like 2.5 ft Sun–part shade High Zone 3b
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
smallwing sedge Carex microptera Grass or grass-like 2 ft Sun High Zone 4a
spiny hopsage Grayia spinosa Shrub 3 ft Sun Low Zone 4a
tailcup lupine Lupinus caudatus Wildflower (forb) 5 ft Sun Low Zone 4b
thickspike wheatgrass Elymus lanceolatus Grass or grass-like 2.3 ft Sun Low Zone 3b
threetip sagebrush Artemisia tripartita Shrub 4 ft Sun Low Zone 3a
Thurber's needlegrass Achnatherum thurberianum Grass or grass-like 2 ft Sun Low Zone 5a
Torrey's rush Juncus torreyi Grass or grass-like 3.1 ft Sun Medium Zone 3b
yellow rabbitbrush Chrysothamnus viscidiflorus Shrub 3 ft Sun Low Zone 5a

Other native species recorded here 11

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 yellowrocket Barbarea orthoceras
  • bigbract verbena Verbena bracteata
  • hairy evening primrose Oenothera villosa
  • Menzies' fiddleneck Amsinckia menziesii
  • mountain tansymustard Descurainia incana
  • rusty lupine Lupinus pusillus
  • sanddune cryptantha Cryptantha fendleri
  • shaggy fleabane Erigeron pumilus
  • veiny dock Rumex venosus
  • witchgrass Panicum capillare
  • woolly sedge Carex pellita
Also listed as native and introduced here 1

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.

Compared with Idaho

The typical county is the median of the 44 Idaho 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, Minidoka County and Idaho
MeasureMinidoka CountyTypical countyStatewide
Native species 46 302 975
Garden-ready natives 35 211 591
Tree 3 — 65
Shrub 7 — 97
Wildflower (forb) 24 — 552
Grass or grass-like 12 — 206
Vine 0 — 14
Fern 0 — 41

Neighboring counties

Counties that share a ZIP code with Minidoka 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
Minidoka County (county FIPS 16067), Idaho. 46 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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