Native plants · Oklahoma

Native plants of Grant County

161 plant species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Grant County by USDA PLANTS. 61 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Grant County, Oklahoma

Native species: 161 Typical Oklahoma county: 203 (median of 77 counties)
Garden-ready natives: 61 Typical Oklahoma county: 80
Share by type (all 161 native species): Percent of the 161 native species in each growth type

Tree 9% (14)
Shrub 1% (2)
Wildflower (forb) 60% (96)
Grass or grass-like 27% (43)
Vine 3% (5)
Fern <1% (1)

Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (27%).

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

Garden-ready natives 61

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

Garden-ready native plants of Grant County, Oklahoma
Plant	Type	Height	Light	Water use	Hardy to
alkali sacaton Sporobolus airoides	Grass or grass-like	3 ft	Sun	Low	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 water horehound Lycopus americanus	Wildflower (forb)	1.8 ft	Shade-tolerant	High	Zone 3b
Arizona cottontop Digitaria californica	Grass or grass-like	4 ft	Sun	Low	Zone 6a
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
buffalograss Bouteloua dactyloides	Grass or grass-like	6 in	Sun	Medium	Zone 3b
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
common hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
crested pricklypoppy Argemone polyanthemos	Wildflower (forb)	3 ft	Sun	Low	Zone 5a
disk waterhyssop Bacopa rotundifolia	Wildflower (forb)	1 in	Sun	High	Zone 4a
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
fall panicgrass Panicum dichotomiflorum	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
golden tickseed Coreopsis tinctoria	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 12b
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
honeylocust Gleditsia triacanthos	Tree	70 ft	Sun	Medium	Zone 3b
Illinois bundleflower Desmanthus illinoensis	Wildflower (forb)	3 ft	Sun	Medium	Zone 5b
Indianhemp Apocynum cannabinum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
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
marsh flatsedge Cyperus pseudovegetus	Grass or grass-like	2.5 ft	Sun	High	Zone 8a
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	Zone 4a
Missouri gourd Cucurbita foetidissima	Vine	1 ft	Sun	Low	Zone 5a
Nuttall's povertyweed Monolepis nuttalliana	Wildflower (forb)	10 in	Sun	Medium	Zone 12a
Osage-orange Maclura pomifera	Tree	35 ft	Sun	Medium	Zone 5a
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
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
purple poppymallow Callirhoe involucrata	Wildflower (forb)	1 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
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
roundhead lespedeza Lespedeza capitata	Wildflower (forb)	2.6 ft	Sun	Low	Zone 4b
saltgrass Distichlis spicata	Grass or grass-like	1.1 ft	Sun	Medium	Zone 3b
sand dropseed Sporobolus cryptandrus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
sand lovegrass Eragrostis trichodes	Grass or grass-like	3.5 ft	Sun	Medium	Zone 5a
scarlet globemallow Sphaeralcea coccinea	Wildflower (forb)	1.5 ft	Sun	Low	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 horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
sugarberry Celtis laevigata	Tree	80 ft	Shade-tolerant	High	Zone 5a
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
tapertip flatsedge Cyperus acuminatus	Grass or grass-like	1.3 ft	Sun–part shade	High	Zone 3b
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
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 wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
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 plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b

Other native species recorded here 100

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
azure blue sage Salvia azurea
Baldwin's ironweed Vernonia baldwinii
blue wild indigo Baptisia australis
bristly greenbrier Smilax tamnoides
buffalobur nightshade Solanum rostratum
bushy knotweed Polygonum ramosissimum
camphorweed Heterotheca subaxillaris
Carolina geranium Geranium carolinianum
coastal sandbur Cenchrus spinifex
compassplant Silphium laciniatum
creeping lovegrass Neeragrostis reptans
crowpoison Nothoscordum bivalve
Cuman ragweed Ambrosia psilostachya
curvepod fumewort Corydalis curvisiliqua
cutleaf evening primrose Oenothera laciniata
cutleaf groundcherry Physalis angulata
densetuft hairsedge Bulbostylis capillaris
desert biscuitroot Lomatium foeniculaceum
Drummond's halfchaff sedge Lipocarpha drummondii
eyebane Chamaesyce nutans
field pansy Viola bicolor
fragrant sumac Rhus aromatica
Geyer's sandmat Chamaesyce geyeri
great ragweed Ambrosia trifida
green antelopehorn Asclepias viridis
groundplum milkvetch Astragalus crassicarpus
gum bully Sideroxylon lanuginosum
hairyseed paspalum Paspalum pubiflorum
heartleaf four o'clock Mirabilis nyctaginea
heavy sedge Carex gravida
hogwort Croton capitatus
lacy tansyaster Machaeranthera pinnatifida
lanceleaf fogfruit Phyla lanceolata
lemon scurfpea Psoralidium lanceolatum
light poppymallow Callirhoe alcaeoides
longleaf groundcherry Physalis longifolia
lowland rotala Rotala ramosior
Madagascar dropseed Sporobolus pyramidatus
matted sandmat Chamaesyce serpens
narrowleaf four o'clock Mirabilis linearis
narrowleaf purple coneflower Echinacea angustifolia
neckweed Veronica peregrina
Nuttall's sensitive-briar Mimosa nuttallii
pale dock Rumex altissimus
pale spikerush Eleocharis macrostachya
Pickering's dawnflower Stylisma pickeringii
pinkladies Oenothera speciosa
plains snakecotton Froelichia floridana
poorjoe Diodia teres
prairie cupgrass Eriochloa contracta
prairie false dandelion Nothocalais cuspidata
prairie spiderwort Tradescantia occidentalis
prairie sunflower Helianthus petiolaris
prairie tea Croton monanthogynus
prairie threeawn Aristida oligantha
prostrate sandmat Chamaesyce prostrata
queen's-delight Stillingia sylvatica
red lovegrass Eragrostis secundiflora
redwhisker clammyweed Polanisia dodecandra
rough barnyardgrass Echinochloa muricata
rough false pennyroyal Hedeoma hispida
scarlet beeblossom Oenothera suffrutescens
Schweinitz's flatsedge Cyperus schweinitzii
shortbeak sedge Carex brevior
shortpod draba Draba brachycarpa
shortstalk chickweed Cerastium brachypodum
silverleaf Indian breadroot Pediomelum argophyllum
silverleaf nightshade Solanum elaeagnifolium
sixangle spurge Euphorbia hexagona
sixweeks fescue Vulpia octoflora
slender snakecotton Froelichia gracilis
slender yellow woodsorrel Oxalis dillenii
slickseed fuzzybean Strophostyles leiosperma
slimflower scurfpea Psoralidium tenuiflorum
snow on the mountain Euphorbia marginata
southern annual saltmarsh aster Symphyotrichum divaricatum
Spanish gold Grindelia papposa
spotted beebalm Monarda punctata
swamp verbena Verbena hastata
tall lespedeza Lespedeza stuevei
Texas bluegrass Poa arachnifera
Texas croton Croton texensis
Texas toadflax Nuttallanthus texanus
thin paspalum Paspalum setaceum
toothed spurge Euphorbia dentata
tumble windmill grass Chloris verticillata
tumblegrass Schedonnardus paniculatus
twistspine pricklypear Opuntia macrorhiza
veiny dock Rumex venosus
velvetweed Oenothera curtiflora
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia winged rockcress Sibara virginica
wedgeleaf Phyla cuneifolia
western horsenettle Solanum dimidiatum
western tansymustard Descurainia pinnata
whitemouth dayflower Commelina erecta
witchgrass Panicum capillare
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, Grant County and Oklahoma
Measure	Grant County	Typical county	Statewide
Native species	161	203	1,513
Garden-ready natives	61	80	535
Tree	14	—	130
Shrub	2	—	63
Wildflower (forb)	96	—	849
Grass or grass-like	43	—	341
Vine	5	—	85
Fern	1	—	45

Neighboring counties

Counties that share a ZIP code with Grant County.

Alfalfa County, OK 108 garden-ready
Garfield County, OK 53 garden-ready
Kay County, OK 88 garden-ready

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: Grant County (county FIPS 40053), Oklahoma. 161 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

Independent reference site. No government affiliation or endorsement.