Native plants · Oklahoma

Native plants of Kay County

208 plant species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Kay County by USDA PLANTS. 88 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Kay County, Oklahoma

Native species
208 Typical Oklahoma county: 203 (median of 77 counties)
Garden-ready natives
88 Typical Oklahoma county: 80
Share by type (all 208 native species)
Percent of the 208 native species in each growth type
Tree 13% (27)
Shrub 4% (8)
Wildflower (forb) 60% (125)
Grass or grass-like 16% (34)
Vine 6% (13)
Fern <1% (1)

Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (16%).

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 88

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

Garden-ready native plants of Kay County, Oklahoma
PlantType HeightLight Water useHardy to
Allegheny blackberry Rubus allegheniensis Shrub 6 ft Shade-tolerant Medium Zone 4b
American bellflower Campanulastrum americanum Wildflower (forb) 6 ft Shade-tolerant Medium Zone 12b
American bittersweet Celastrus scandens Vine 15 ft Shade-tolerant High Zone 3b
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
American sycamore Platanus occidentalis Tree 100 ft Sun–part shade High Zone 4a
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
American water-willow Justicia americana Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4b
bitternut hickory Carya cordiformis Tree 75 ft Sun Medium Zone 2b
black oak Quercus velutina Tree 80 ft Sun–part shade Medium Zone 4a
black raspberry Rubus occidentalis Shrub 6 ft Sun–part shade Medium Zone 4b
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
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
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
burningbush Euonymus atropurpureus Tree 10 ft Shade-tolerant Low —
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low Zone 4a
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High 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
Chickasaw plum Prunus angustifolia Tree 12 ft Sun Medium Zone 4b
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
climbing rose Rosa setigera Vine 16 ft Sun Low Zone 6a
common blue violet Viola sororia Wildflower (forb) 4 in Sun–part shade High Zone 4b
common evening primrose Oenothera biennis Wildflower (forb) 5 ft Sun Medium Zone 4b
common hackberry Celtis occidentalis Tree 60 ft Shade-tolerant Low Zone 2b
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
eastern gamagrass Tripsacum dactyloides Grass or grass-like 5 ft Sun High Zone 5a
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
false daisy Eclipta prostrata Wildflower (forb) 3.2 ft Sun–part shade Medium Zone 10b
fringeleaf wild petunia Ruellia humilis Wildflower (forb) 2.6 ft Shade-tolerant Low Zone 4a
frost grape Vitis vulpina Vine 83 ft Sun–part shade Medium Zone 5a
golden tickseed Coreopsis tinctoria Wildflower (forb) 3 ft Sun–part shade High Zone 12b
graybark grape Vitis cinerea Vine 50 ft Sun–part shade Medium Zone 6b
green ash Fraxinus pennsylvanica Tree 80 ft Shade-tolerant Medium Zone 2b
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
Indian woodoats Chasmanthium latifolium Grass or grass-like 4.6 ft Shade-tolerant Medium Zone 4a
Indiangrass Sorghastrum nutans Grass or grass-like 6 ft Sun Medium Zone 3b
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
limestone wild petunia Ruellia strepens Wildflower (forb) 3.6 ft Shade-tolerant Low Zone 6a
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
littleleaf buttercup Ranunculus abortivus Wildflower (forb) 2.8 ft Shade-tolerant Medium Zone 3a
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
New Jersey tea Ceanothus americanus Shrub 3 ft Shade-tolerant Low Zone 4b
partridge pea Chamaecrista fasciculata Wildflower (forb) 2.4 ft Shade-tolerant Medium Zone 7a
pecan Carya illinoinensis Tree 120 ft Sun High Zone 5a
Pennsylvania bittercress Cardamine pensylvanica Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 4a
Pennsylvania smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
pin oak Quercus palustris Tree 100 ft Sun High Zone 4a
plains lovegrass Eragrostis intermedia Grass or grass-like 2.7 ft Sun Low Zone 5a
porcupinegrass Hesperostipa spartea Grass or grass-like 4 ft Sun Medium Zone 3b
post oak Quercus stellata Tree 60 ft Sun Medium Zone 4a
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
prairie Junegrass Koeleria macrantha Grass or grass-like 1.5 ft Shade-tolerant High Zone 3b
purple lovegrass Eragrostis spectabilis Grass or grass-like 11 in Sun Low Zone 3a
purple poppymallow Callirhoe involucrata Wildflower (forb) 1 ft Sun Medium Zone 3b
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
purpletop tridens Tridens flavus Grass or grass-like 2.5 ft Sun Low Zone 5a
red mulberry Morus rubra Tree 70 ft Shade-tolerant Medium Zone 4a
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
roughfruit amaranth Amaranthus tuberculatus Wildflower (forb) 6.6 ft Sun High Zone 4a
sand lovegrass Eragrostis trichodes Grass or grass-like 3.5 ft Sun Medium Zone 5a
Shumard's oak Quercus shumardii Tree 100 ft Sun Medium Zone 5a
silver maple Acer saccharinum Tree 90 ft Sun–part shade Medium Zone 2b
slippery elm Ulmus rubra Tree 85 ft Shade-tolerant High Zone 3a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
spreading yellowcress Rorippa sinuata Wildflower (forb) 1 ft Sun Medium Zone 3b
stalkless yellowcress Rorippa sessiliflora Wildflower (forb) 1.5 ft Sun–part shade High Zone 12b
strawcolored flatsedge Cyperus strigosus Grass or grass-like 3.2 ft Sun Medium Zone 4a
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
switchgrass Panicum virgatum Grass or grass-like 5 ft Sun Medium Zone 3a
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
vine mesquite Panicum obtusum Grass or grass-like 2 ft Sun–part shade High Zone 5a
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
water knotweed Polygonum amphibium Wildflower (forb) 1 in Sun High Zone 5a
white sagebrush Artemisia ludoviciana Wildflower (forb) 3 ft Sun Low Zone 4a

Other native species recorded here 120

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
  • arrowfeather threeawn Aristida purpurascens
  • Aunt Lucy Ellisia nyctelea
  • azure blue sage Salvia azurea
  • Baldwin's ironweed Vernonia baldwinii
  • bigbract verbena Verbena bracteata
  • bigtop lovegrass Eragrostis hirsuta
  • blue wild indigo Baptisia australis
  • bristly greenbrier Smilax tamnoides
  • brook cinquefoil Potentilla rivalis
  • buffalobur nightshade Solanum rostratum
  • Canada lettuce Lactuca canadensis
  • Canadian clearweed Pilea pumila
  • Canadian woodnettle Laportea canadensis
  • Carolina coralbead Cocculus carolinus
  • Carolina draba Draba reptans
  • Carolina geranium Geranium carolinianum
  • Carolina horsenettle Solanum carolinense
  • Carolina larkspur Delphinium carolinianum
  • chairmaker's bulrush Schoenoplectus americanus
  • common yellow oxalis Oxalis stricta
  • compassplant Silphium laciniatum
  • crowpoison Nothoscordum bivalve
  • Cuman ragweed Ambrosia psilostachya
  • cutleaf evening primrose Oenothera laciniata
  • cutleaf groundcherry Physalis angulata
  • Dakota mock vervain Glandularia bipinnatifida
  • desert biscuitroot Lomatium foeniculaceum
  • diamond-flowers Stenaria nigricans
  • Drummond's false pennyroyal Hedeoma drummondii
  • dwarf chinquapin oak Quercus prinoides
  • dwarf horseweed Conyza ramosissima
  • early wildrye Elymus macgregorii
  • eastern daisy fleabane Erigeron annuus
  • elmleaf goldenrod Solidago ulmifolia
  • eyebane Chamaesyce nutans
  • flowering spurge Euphorbia corollata
  • fragrant sumac Rhus aromatica
  • garden dewberry Rubus aboriginum
  • great ragweed Ambrosia trifida
  • green antelopehorn Asclepias viridis
  • green carpetweed Mollugo verticillata
  • grooved flax Linum sulcatum
  • groundplum milkvetch Astragalus crassicarpus
  • hairy waterclover Marsilea vestita
  • hairy woodland brome Bromus pubescens
  • hairyfruit chervil Chaerophyllum tainturieri
  • hairyseed paspalum Paspalum pubiflorum
  • heartleaf four o'clock Mirabilis nyctaginea
  • heavy sedge Carex gravida
  • hoary verbena Verbena stricta
  • inflated narrow-leaf sedge Carex grisea
  • licorice bedstraw Galium circaezans
  • light poppymallow Callirhoe alcaeoides
  • longbract spiderwort Tradescantia bracteata
  • longflower beeblossom Oenothera filiformis
  • longleaf groundcherry Physalis longifolia
  • man of the earth Ipomoea pandurata
  • marsh bristlegrass Setaria parviflora
  • mat sandbur Cenchrus longispinus
  • matted sandmat Chamaesyce serpens
  • meadow garlic Allium canadense
  • minute duckweed Lemna perpusilla
  • Missouri violet Viola missouriensis
  • narrowleaf paleseed Leucospora multifida
  • narrowleaf purple coneflower Echinacea angustifolia
  • northern bog violet Viola nephrophylla
  • northern dewberry Rubus flagellaris
  • Nuttall's prairie parsley Polytaenia nuttallii
  • Nuttall's sensitive-briar Mimosa nuttallii
  • pale dock Rumex altissimus
  • pasture heliotrope Heliotropium tenellum
  • pineland threeseed mercury Acalypha ostryifolia
  • pinkladies Oenothera speciosa
  • pointedleaf ticktrefoil Desmodium glutinosum
  • prairie blue-eyed grass Sisyrinchium campestre
  • prairie broomweed Amphiachyris dracunculoides
  • prairie cupgrass Eriochloa contracta
  • prairie groundcherry Physalis hispida
  • prairie groundsel Packera plattensis
  • prairie rose Rosa arkansana
  • prairie spiderwort Tradescantia occidentalis
  • prairie tea Croton monanthogynus
  • prairie threeawn Aristida oligantha
  • prostrate sandmat Chamaesyce prostrata
  • rose mock vervain Glandularia canadensis
  • rough barnyardgrass Echinochloa muricata
  • rusty blackhaw Viburnum rufidulum
  • shortbeak sedge Carex brevior
  • silverleaf nightshade Solanum elaeagnifolium
  • slender yellow woodsorrel Oxalis dillenii
  • slickseed fuzzybean Strophostyles leiosperma
  • slimflower scurfpea Psoralidium tenuiflorum
  • smallflower fumewort Corydalis micrantha
  • snow on the mountain Euphorbia marginata
  • sorrelvine Cissus trifoliata
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • Spanish gold Grindelia papposa
  • spotted sandmat Chamaesyce maculata
  • spreading chervil Chaerophyllum procumbens
  • spring lady's tresses Spiranthes vernalis
  • stiff sunflower Helianthus pauciflorus
  • tall thistle Cirsium altissimum
  • Texas bluegrass Poa arachnifera
  • Texas croton Croton texensis
  • toothed spurge Euphorbia dentata
  • violet woodsorrel Oxalis violacea
  • Virginia groundcherry Physalis virginiana
  • Virginia pepperweed Lepidium virginicum
  • Virginia plantain Plantago virginica
  • Virginia winged rockcress Sibara virginica
  • warty caltrop Kallstroemia parviflora
  • western silver aster Symphyotrichum sericeum
  • western tansymustard Descurainia pinnata
  • white vervain Verbena urticifolia
  • whitemouth dayflower Commelina erecta
  • wholeleaf rosinweed Silphium integrifolium
  • witchgrass Panicum capillare
  • yellowfruit sedge Carex annectens
  • yellowseed false pimpernel Lindernia dubia

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, Kay County and Oklahoma
MeasureKay CountyTypical countyStatewide
Native species 208 203 1,513
Garden-ready natives 88 80 535
Tree 27 — 130
Shrub 8 — 63
Wildflower (forb) 125 — 849
Grass or grass-like 34 — 341
Vine 13 — 85
Fern 1 — 45

Neighboring counties

Counties that share a ZIP code with Kay 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
Kay County (county FIPS 40071), Oklahoma. 208 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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