Native plants · Oklahoma

Native plants of Custer County

236 plant species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Custer County by USDA PLANTS. 93 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Custer County, Oklahoma

Native species
236 Typical Oklahoma county: 203 (median of 77 counties)
Garden-ready natives
93 Typical Oklahoma county: 80
Share by type (all 236 native species)
Percent of the 236 native species in each growth type
Tree 11% (26)
Shrub 3% (8)
Wildflower (forb) 65% (154)
Grass or grass-like 14% (32)
Vine 6% (13)
Fern 1% (3)

Wildflowers make up the largest share of the native list (65%), followed by grasses and grass-like plants (14%).

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 7a to 7b (2023 map).

The native plant list

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

Garden-ready natives 93

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

Garden-ready native plants of Custer 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
American vetch Vicia americana Vine 1.3 ft Sun Low Zone 3b
beaked spikerush Eleocharis rostellata Grass or grass-like 3 ft Sun High Zone 4b
big bluestem Andropogon gerardii Grass or grass-like 6 ft Sun Low Zone 2b
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
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broom snakeweed Gutierrezia sarothrae Shrub 1.5 ft Sun Medium Zone 3b
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low Zone 4a
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
cardinalflower Lobelia cardinalis Wildflower (forb) 5.9 ft Shade-tolerant Low Zone 4a
Chickasaw plum Prunus angustifolia Tree 12 ft Sun Medium Zone 4b
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
clasping coneflower Dracopis amplexicaulis Wildflower (forb) 2 ft Sun High Zone 10b
common buttonbush Cephalanthus occidentalis Tree 15 ft Shade-tolerant High 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
crested pricklypoppy Argemone polyanthemos Wildflower (forb) 3 ft Sun Low Zone 5a
disk waterhyssop Bacopa rotundifolia Wildflower (forb) 1 in Sun High Zone 4a
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
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
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
frost grape Vitis vulpina Vine 83 ft Sun–part shade Medium Zone 5a
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
golden crownbeard Verbesina encelioides Wildflower (forb) 2 ft Sun Medium Zone 5a
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
grassleaf rush Juncus marginatus Grass or grass-like 2 ft Sun–part shade Medium Zone 5a
gray goldenrod Solidago nemoralis Wildflower (forb) 2 ft Sun Medium Zone 4a
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
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
heartleaf peppervine Ampelopsis cordata Vine 2 ft Shade-tolerant Medium Zone 6b
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
Indian woodoats Chasmanthium latifolium Grass or grass-like 4.6 ft Shade-tolerant Medium Zone 4a
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
little bluestem Schizachyrium scoparium Grass or grass-like 3 ft Sun Low Zone 3b
little walnut Juglans microcarpa Tree 20 ft Sun Medium Zone 7a
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
marsh flatsedge Cyperus pseudovegetus Grass or grass-like 2.5 ft Sun High Zone 8a
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
northern catalpa Catalpa speciosa Tree 60 ft Sun Low Zone 3b
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 smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
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
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
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
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
roundhead lespedeza Lespedeza capitata Wildflower (forb) 2.6 ft Sun Low Zone 4b
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
sandbar willow Salix interior Tree 30 ft Sun — Zone 1a
saw greenbrier Smilax bona-nox Vine 4 ft Shade-tolerant Medium Zone 5b
Shumard's oak Quercus shumardii Tree 100 ft Sun Medium Zone 5a
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
slippery elm Ulmus rubra Tree 85 ft Shade-tolerant High Zone 3a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
soapweed yucca Yucca glauca Shrub 1 ft Sun Low Zone 4b
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
stalkless yellowcress Rorippa sessiliflora Wildflower (forb) 1.5 ft Sun–part shade High Zone 12b
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
sweetscent Pluchea odorata Wildflower (forb) 4.9 ft Sun Medium Zone 6a
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
valley redstem Ammannia coccinea Wildflower (forb) 1.6 ft Sun Medium Zone 3b
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
western wheatgrass Pascopyrum smithii Grass or grass-like 2 ft Sun Medium Zone 3a
white avens Geum canadense Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
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
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
woolly plantain Plantago patagonica Wildflower (forb) 6 in Sun Low Zone 12b

Other native species recorded here 143

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 lopseed Phryma leptostachya
  • American star-thistle Centaurea americana
  • annual buckwheat Eriogonum annuum
  • azure blue sage Salvia azurea
  • Baldwin's ironweed Vernonia baldwinii
  • bastard toadflax Comandra umbellata
  • biannual lettuce Lactuca ludoviciana
  • bighead pygmycudweed Evax prolifera
  • blue wild indigo Baptisia australis
  • bluntlobe cliff fern Woodsia obtusa
  • bristly greenbrier Smilax tamnoides
  • buffalobur nightshade Solanum rostratum
  • bushy knotweed Polygonum ramosissimum
  • camphorweed Heterotheca subaxillaris
  • Canadian blacksnakeroot Sanicula canadensis
  • Carolina anemone Anemone caroliniana
  • Carolina canarygrass Phalaris caroliniana
  • Carolina coralbead Cocculus carolinus
  • Carolina draba Draba reptans
  • Carolina geranium Geranium carolinianum
  • Carolina larkspur Delphinium carolinianum
  • Carolina woollywhite Hymenopappus scabiosaeus
  • chairmaker's bulrush Schoenoplectus americanus
  • chickenthief Mentzelia oligosperma
  • clammy groundcherry Physalis heterophylla
  • clasping Venus' looking-glass Triodanis perfoliata
  • common yellow oxalis Oxalis stricta
  • crowpoison Nothoscordum bivalve
  • Cuman ragweed Ambrosia psilostachya
  • curlytop knotweed Polygonum lapathifolium
  • curvepod fumewort Corydalis curvisiliqua
  • cusp dodder Cuscuta cuspidata
  • cutleaf evening primrose Oenothera laciniata
  • cutleaf groundcherry Physalis angulata
  • Dakota mock vervain Glandularia bipinnatifida
  • desert biscuitroot Lomatium foeniculaceum
  • desert goosefoot Chenopodium pratericola
  • diamond-flowers Stenaria nigricans
  • downy ragged goldenrod Solidago petiolaris
  • Drummond's false pennyroyal Hedeoma drummondii
  • Dudley's rush Juncus dudleyi
  • dwarf chinquapin oak Quercus prinoides
  • Emory's sedge Carex emoryi
  • Engelmann's daisy Engelmannia peristenia
  • Equisetum ×ferrissii Equisetum ×ferrissii
  • eyebane Chamaesyce nutans
  • flatspine stickseed Lappula occidentalis
  • fourpoint evening primrose Oenothera rhombipetala
  • fragrant sumac Rhus aromatica
  • great ragweed Ambrosia trifida
  • green antelopehorn Asclepias viridis
  • green carpetweed Mollugo verticillata
  • green comet milkweed Asclepias viridiflora
  • green dragon Arisaema dracontium
  • Guadeloupe cucumber Melothria pendula
  • gum bully Sideroxylon lanuginosum
  • heartleaf four o'clock Mirabilis nyctaginea
  • hoary verbena Verbena stricta
  • Hopi tea greenthread Thelesperma megapotamicum
  • horned pondweed Zannichellia palustris
  • Jersey tea Ceanothus herbaceus
  • jumpseed Polygonum virginianum
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf blanketflower Gaillardia aestivalis
  • lanceleaf fogfruit Phyla lanceolata
  • lateflowering thoroughwort Eupatorium serotinum
  • licorice bedstraw Galium circaezans
  • longleaf groundcherry Physalis longifolia
  • Louisiana broomrape Orobanche ludoviciana
  • mapleleaf goosefoot Chenopodium simplex
  • mat sandbur Cenchrus longispinus
  • meadow garlic Allium canadense
  • mealy goosefoot Chenopodium incanum
  • Michaux's stitchwort Minuartia michauxii
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • Nuttall's sensitive-briar Mimosa nuttallii
  • pale dock Rumex altissimus
  • pineland threeseed mercury Acalypha ostryifolia
  • pointedleaf ticktrefoil Desmodium glutinosum
  • prairie broomweed Amphiachyris dracunculoides
  • prairie groundcherry Physalis hispida
  • prairie groundsel Packera plattensis
  • prairie ironweed Vernonia fasciculata
  • prairie sandmat Chamaesyce missurica
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • purple cliffbrake Pellaea atropurpurea
  • queen's-delight Stillingia sylvatica
  • red lovegrass Eragrostis secundiflora
  • Red River scaleseed Spermolepis inermis
  • redseed plantain Plantago rhodosperma
  • redwhisker clammyweed Polanisia dodecandra
  • ribseed sandmat Chamaesyce glyptosperma
  • rough barnyardgrass Echinochloa muricata
  • rush skeletonplant Lygodesmia juncea
  • sand sagebrush Artemisia filifolia
  • sandhill amaranth Amaranthus arenicola
  • scarlet beeblossom Oenothera suffrutescens
  • Schweinitz's flatsedge Cyperus schweinitzii
  • sessileleaf ticktrefoil Desmodium sessilifolium
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • showy evening primrose Oenothera grandis
  • silkcotton purslane Portulaca halimoides
  • silky prairie clover Dalea villosa
  • silverleaf nightshade Solanum elaeagnifolium
  • sixangle spurge Euphorbia hexagona
  • sixweeks fescue Vulpia octoflora
  • slickseed fuzzybean Strophostyles leiosperma
  • slimflower scurfpea Psoralidium tenuiflorum
  • slimleaf milkweed Asclepias stenophylla
  • slimpod Venus' looking-glass Triodanis leptocarpa
  • snow on the mountain Euphorbia marginata
  • Spanish gold Grindelia papposa
  • spotted beebalm Monarda punctata
  • spotted sandmat Chamaesyce maculata
  • spreading sandmat Chamaesyce humistrata
  • stemless Townsend daisy Townsendia exscapa
  • stiffstem flax Linum rigidum
  • tall lespedeza Lespedeza stuevei
  • Texas bluegrass Poa arachnifera
  • Texas croton Croton texensis
  • Texas toadflax Nuttallanthus texanus
  • toothed spurge Euphorbia dentata
  • tumble windmill grass Chloris verticillata
  • velvetweed Oenothera curtiflora
  • velvety goldenrod Solidago mollis
  • violet woodsorrel Oxalis violacea
  • Virginia pepperweed Lepidium virginicum
  • Virginia tephrosia Tephrosia virginiana
  • warty spurge Euphorbia spathulata
  • wavyleaf thistle Cirsium undulatum
  • western horsenettle Solanum dimidiatum
  • western tansymustard Descurainia pinnata
  • white heath aster Symphyotrichum ericoides
  • white prairie aster Symphyotrichum falcatum
  • white vervain Verbena urticifolia
  • whitemouth dayflower Commelina erecta
  • wholeleaf rosinweed Silphium integrifolium
  • winged pigweed Cycloloma atriplicifolium
  • wiry panicgrass Panicum flexile
  • witchgrass Panicum capillare
Also listed as native and introduced here 2

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 reedPhragmites australis

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, Custer County and Oklahoma
MeasureCuster CountyTypical countyStatewide
Native species 236 203 1,513
Garden-ready natives 93 80 535
Tree 26 — 130
Shrub 8 — 63
Wildflower (forb) 154 — 849
Grass or grass-like 32 — 341
Vine 13 — 85
Fern 3 — 45

Neighboring counties

Counties that share a ZIP code with Custer 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
Custer County (county FIPS 40039), Oklahoma. 236 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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