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Native plants · Oklahoma

Native plants of Dewey County

101 plant species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Dewey County by USDA PLANTS. 41 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

Dewey County, Oklahoma

Native species
101 Typical Oklahoma county: 203 (median of 77 counties)
Garden-ready natives
41 Typical Oklahoma county: 80
Share by type (all 101 native species)
Percent of the 101 native species in each growth type
Tree 20% (20)
Shrub 7% (7)
Wildflower (forb) 59% (60)
Grass or grass-like 9% (9)
Vine 3% (3)
Fern 2% (2)

Wildflowers make up the largest share of the native list (59%), followed by trees (20%).

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 zone 7a (2023 map).

The native plant list

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

Garden-ready natives 41

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

Garden-ready native plants of Dewey County, Oklahoma
PlantType HeightLight Water useHardy to
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
American pokeweed Phytolacca americana Wildflower (forb) 7.3 ft Shade-tolerant Medium Zone 4a
black walnut Juglans nigra Tree 100 ft Sun High Zone 4b
black willow Salix nigra Tree 100 ft Sun High Zone 1b
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
blackjack oak Quercus marilandica Tree 25 ft Sun Low Zone 6a
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
Canada wildrye Elymus canadensis Grass or grass-like 3 ft Shade-tolerant Medium Zone 3a
Chickasaw plum Prunus angustifolia Tree 12 ft Sun Medium Zone 4b
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
common hackberry Celtis occidentalis Tree 60 ft Shade-tolerant Low Zone 2b
coralberry Symphoricarpos orbiculatus Shrub 2 ft Sun–part shade High Zone 5a
cosmopolitan bulrush Bolboschoenus maritimus Grass or grass-like 3.2 ft Sun Medium Zone 5a
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
eastern redbud Cercis canadensis Tree 30 ft Shade-tolerant Low Zone 4b
eastern redcedar Juniperus virginiana Tree 50 ft Sun–part shade Low Zone 3a
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
Hooker's evening primrose Oenothera elata Wildflower (forb) 5 ft Sun High Zone 5a
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
little walnut Juglans microcarpa Tree 20 ft Sun Medium Zone 7a
narrowleaf blue-eyed grass Sisyrinchium angustifolium Wildflower (forb) 2 ft Sun–part shade Medium Zone 7a
Pennsylvania smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
post oak Quercus stellata Tree 60 ft Sun Medium Zone 4a
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low Zone 3b
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
sand lovegrass Eragrostis trichodes Grass or grass-like 3.5 ft Sun Medium Zone 5a
sandbar willow Salix interior Tree 30 ft Sun — Zone 1a
sanddune wallflower Erysimum capitatum Wildflower (forb) 2.5 ft Sun Medium Zone 4b
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
Torrey's rush Juncus torreyi Grass or grass-like 3.1 ft Sun Medium Zone 3b
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
Virginia creeper Parthenocissus quinquefolia Vine 1 ft Sun–part shade Low Zone 4b
Virginia wildrye Elymus virginicus Grass or grass-like 2.5 ft Shade-tolerant Medium Zone 4b
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
woolly locoweed Astragalus mollissimus Wildflower (forb) 2 ft Sun Low Zone 4b

Other native species recorded here 60

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.

  • annual buckwheat Eriogonum annuum
  • Baldwin's ironweed Vernonia baldwinii
  • bigbract verbena Verbena bracteata
  • blue wild indigo Baptisia australis
  • camphorweed Heterotheca subaxillaris
  • Carolina puccoon Lithospermum caroliniense
  • Carolina woollywhite Hymenopappus scabiosaeus
  • catchfly prairie gentian Eustoma exaltatum
  • Cuman ragweed Ambrosia psilostachya
  • Dakota mock vervain Glandularia bipinnatifida
  • diamond-flowers Stenaria nigricans
  • dwarf chinquapin oak Quercus prinoides
  • eastern poison ivy Toxicodendron radicans
  • Engelmann's daisy Engelmannia peristenia
  • field pansy Viola bicolor
  • fourpoint evening primrose Oenothera rhombipetala
  • fragrant sumac Rhus aromatica
  • gum bully Sideroxylon lanuginosum
  • hairy waterclover Marsilea vestita
  • hoary verbena Verbena stricta
  • Hopi tea greenthread Thelesperma megapotamicum
  • Jersey tea Ceanothus herbaceus
  • lacy tansyaster Machaeranthera pinnatifida
  • meadow garlic Allium canadense
  • Mexican plum Prunus mexicana
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • prairie broomweed Amphiachyris dracunculoides
  • prairie groundsel Packera plattensis
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • purple cliffbrake Pellaea atropurpurea
  • queen's-delight Stillingia sylvatica
  • redseed plantain Plantago rhodosperma
  • ribseed sandmat Chamaesyce glyptosperma
  • rush skeletonplant Lygodesmia juncea
  • sand sagebrush Artemisia filifolia
  • sand spikerush Eleocharis montevidensis
  • scarlet beeblossom Oenothera suffrutescens
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • silverleaf nightshade Solanum elaeagnifolium
  • sixangle spurge Euphorbia hexagona
  • sixweeks fescue Vulpia octoflora
  • slender yellow woodsorrel Oxalis dillenii
  • slimflower scurfpea Psoralidium tenuiflorum
  • smallflower fumewort Corydalis micrantha
  • snow on the mountain Euphorbia marginata
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • Spanish gold Grindelia papposa
  • Spanish needles Bidens bipinnata
  • spotted beebalm Monarda punctata
  • stiffstem flax Linum rigidum
  • Texas bluegrass Poa arachnifera
  • Texas croton Croton texensis
  • Virginia pepperweed Lepidium virginicum
  • wedgeleaf Phyla cuneifolia
  • western tansymustard Descurainia pinnata
  • whitemouth dayflower Commelina erecta
  • winged pigweed Cycloloma atriplicifolium
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 Oklahoma

The typical county is the median of the 77 Oklahoma 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, Dewey County and Oklahoma
MeasureDewey CountyTypical countyStatewide
Native species 101 203 1,513
Garden-ready natives 41 80 535
Tree 20 — 130
Shrub 7 — 63
Wildflower (forb) 60 — 849
Grass or grass-like 9 — 341
Vine 3 — 85
Fern 2 — 45

Neighboring counties

Counties that share a ZIP code with Dewey 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
Dewey County (county FIPS 40043), Oklahoma. 101 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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