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Native plants · Oklahoma

Native plants of Stephens County

94 plant species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Stephens County by USDA PLANTS. 41 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Stephens County, Oklahoma

Native species
94 Typical Oklahoma county: 203 (median of 77 counties)
Garden-ready natives
41 Typical Oklahoma county: 80
Share by type (all 94 native species)
Percent of the 94 native species in each growth type
Tree 22% (21)
Shrub 2% (2)
Wildflower (forb) 61% (57)
Grass or grass-like 7% (7)
Vine 5% (5)
Fern 2% (2)

Wildflowers make up the largest share of the native list (61%), followed by trees (22%).

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 7b to 8a (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 Stephens County, Oklahoma
PlantType HeightLight Water useHardy to
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
black walnut Juglans nigra Tree 100 ft Sun High Zone 4b
black willow Salix nigra Tree 100 ft Sun High Zone 1b
blackjack oak Quercus marilandica Tree 25 ft Sun Low Zone 6a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
Chickasaw plum Prunus angustifolia Tree 12 ft Sun Medium Zone 4b
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
common buttonbush Cephalanthus occidentalis Tree 15 ft Shade-tolerant High Zone 4a
common hackberry Celtis occidentalis Tree 60 ft Shade-tolerant Low Zone 2b
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
eastern redbud Cercis canadensis Tree 30 ft Shade-tolerant Low Zone 4b
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
graybark grape Vitis cinerea Vine 50 ft Sun–part shade Medium Zone 6b
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
harvestlice Agrimonia parviflora Wildflower (forb) 6 ft Sun–part shade High Zone 4a
honey mesquite Prosopis glandulosa Tree 50 ft Sun Low Zone 6a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
Missouri goldenrod Solidago missouriensis Wildflower (forb) 3 ft Sun–part shade Low Zone 3b
Missouri gourd Cucurbita foetidissima Vine 1 ft Sun Low Zone 5a
narrowleaf blue-eyed grass Sisyrinchium angustifolium Wildflower (forb) 2 ft Sun–part shade Medium Zone 7a
nodding lady's tresses Spiranthes cernua Wildflower (forb) 1.5 ft Sun High Zone 3b
pale purple coneflower Echinacea pallida Wildflower (forb) 1.2 ft Sun Medium Zone 4a
panicledleaf ticktrefoil Desmodium paniculatum Wildflower (forb) 3 ft Sun–part shade Low Zone 6a
partridge pea Chamaecrista fasciculata Wildflower (forb) 2.4 ft Shade-tolerant Medium Zone 7a
pecan Carya illinoinensis Tree 120 ft Sun High Zone 5a
post oak Quercus stellata Tree 60 ft Sun Medium Zone 4a
prairie blazing star Liatris pycnostachya Wildflower (forb) 3.5 ft Sun Medium Zone 4a
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low Zone 3b
purple poppymallow Callirhoe involucrata Wildflower (forb) 1 ft Sun Medium Zone 3b
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
rufous bulrush Scirpus pendulus Grass or grass-like 4 ft Sun Medium Zone 3b
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
saw greenbrier Smilax bona-nox Vine 4 ft Shade-tolerant Medium Zone 5b
scarlet globemallow Sphaeralcea coccinea Wildflower (forb) 1.5 ft Sun Low Zone 5a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
Virginia creeper Parthenocissus quinquefolia Vine 1 ft Sun–part shade Low Zone 4b
white prairie clover Dalea candida Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
winged sumac Rhus copallinum Tree 8 ft Sun Low Zone 4b

Other native species recorded here 53

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 marsh elder Iva annua
  • aromatic aster Symphyotrichum oblongifolium
  • blue wild indigo Baptisia australis
  • bluntlobe cliff fern Woodsia obtusa
  • bristly greenbrier Smilax tamnoides
  • bristly scaleseed Spermolepis echinata
  • camphorweed Heterotheca subaxillaris
  • Carolina larkspur Delphinium carolinianum
  • Carolina woollywhite Hymenopappus scabiosaeus
  • carpenter's square Scrophularia marilandica
  • catchfly prairie gentian Eustoma exaltatum
  • clasping milkweed Asclepias amplexicaulis
  • common yellow oxalis Oxalis stricta
  • Cuman ragweed Ambrosia psilostachya
  • curlycup gumweed Grindelia squarrosa
  • curvepod fumewort Corydalis curvisiliqua
  • diamond-flowers Stenaria nigricans
  • dwarf chinquapin oak Quercus prinoides
  • fragrant sumac Rhus aromatica
  • Great Plains lady's tresses Spiranthes magnicamporum
  • great ragweed Ambrosia trifida
  • hairy fimbry Fimbristylis puberula
  • hairyfruit chervil Chaerophyllum tainturieri
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf blanketflower Gaillardia aestivalis
  • light poppymallow Callirhoe alcaeoides
  • limestone adderstongue Ophioglossum engelmannii
  • meadow garlic Allium canadense
  • Mexican plum Prunus mexicana
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • Nuttall's sensitive-briar Mimosa nuttallii
  • pinkladies Oenothera speciosa
  • prairie broomweed Amphiachyris dracunculoides
  • prairie groundsel Packera plattensis
  • prairie spiderwort Tradescantia occidentalis
  • prairie tea Croton monanthogynus
  • redseed plantain Plantago rhodosperma
  • rusty blackhaw Viburnum rufidulum
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • shortbeak sedge Carex brevior
  • sixweeks fescue Vulpia octoflora
  • slimflower scurfpea Psoralidium tenuiflorum
  • southern sedge Carex austrina
  • Spanish gold Grindelia papposa
  • spiked crested coralroot Hexalectris spicata
  • spring lady's tresses Spiranthes vernalis
  • Texas toadflax Nuttallanthus texanus
  • violet woodsorrel Oxalis violacea
  • Virginia pepperweed Lepidium virginicum
  • Virginia tephrosia Tephrosia virginiana
  • western tansymustard Descurainia pinnata
  • wholeleaf rosinweed Silphium integrifolium

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, Stephens County and Oklahoma
MeasureStephens CountyTypical countyStatewide
Native species 94 203 1,513
Garden-ready natives 41 80 535
Tree 21 — 130
Shrub 2 — 63
Wildflower (forb) 57 — 849
Grass or grass-like 7 — 341
Vine 5 — 85
Fern 2 — 45

Neighboring counties

Counties that share a ZIP code with Stephens 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
Stephens County (county FIPS 40137), Oklahoma. 94 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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