Native plants · Texas

Native plants of Johnson County

123 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Johnson County by USDA PLANTS. 38 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

Johnson County, Texas

Native species
123 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives
38 Typical Texas county: 61
Share by type (all 123 native species)
Percent of the 123 native species in each growth type
Tree 4% (5)
Shrub 2% (3)
Wildflower (forb) 63% (78)
Grass or grass-like 22% (27)
Vine 7% (8)
Fern 2% (2)

Wildflowers make up the largest share of the native list (63%), followed by grasses and grass-like plants (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 zone 8b (2023 map).

The native plant list

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

Garden-ready natives 38

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

Garden-ready native plants of Johnson County, Texas
PlantType HeightLight Water useHardy to
American pokeweed Phytolacca americana Wildflower (forb) 7.3 ft Shade-tolerant Medium Zone 4a
Atlantic camas Camassia scilloides Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4b
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 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
Carolina buckthorn Frangula caroliniana Tree 20 ft Shade-tolerant — Zone 4b
common maidenhair Adiantum capillus-veneris Fern 1.7 ft Shade-tolerant High Zone 4a
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
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 woodland sedge Carex blanda Grass or grass-like 2 ft Shade-tolerant High Zone 4b
false daisy Eclipta prostrata Wildflower (forb) 3.2 ft Sun–part shade Medium Zone 10b
fragrant flatsedge Cyperus odoratus Grass or grass-like 2 ft Sun Medium Zone 11b
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 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 sprangletop Leptochloa dubia Grass or grass-like 3 ft Sun Medium Zone 6a
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
knotgrass Paspalum distichum Grass or grass-like 11 in Sun High Zone 6a
limestone wild petunia Ruellia strepens Wildflower (forb) 3.6 ft Shade-tolerant Low Zone 6a
marsh flatsedge Cyperus pseudovegetus Grass or grass-like 2.5 ft Sun High Zone 8a
Maryland senna Senna marilandica Wildflower (forb) 6.6 ft Sun–part shade Low Zone 5b
needlepod rush Juncus scirpoides Grass or grass-like 3 ft Shade-tolerant High Zone 7a
possumhaw Ilex decidua Tree 33 ft Shade-tolerant Medium Zone 5b
purple lovegrass Eragrostis spectabilis Grass or grass-like 11 in Sun Low Zone 3a
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
sturdy bulrush Bolboschoenus robustus Grass or grass-like 4.9 ft Sun High Zone 8a
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
swamp smartweed Polygonum hydropiperoides Wildflower (forb) — Sun Medium Zone 10b
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
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
white avens Geum canadense Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a

Other native species recorded here 85

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.

  • Amazon sprangletop Leptochloa panicoides
  • American bird's-foot trefoil Lotus unifoliolatus
  • American star-thistle Centaurea americana
  • American wild carrot Daucus pusillus
  • annual phlox Phlox drummondii
  • arrowfeather threeawn Aristida purpurascens
  • arrowhead rattlebox Crotalaria sagittalis
  • azure blue sage Salvia azurea
  • Baldwin's ironweed Vernonia baldwinii
  • bigbract verbena Verbena bracteata
  • blue mudplantain Heteranthera limosa
  • branched foldwing Dicliptera brachiata
  • camphorweed Heterotheca subaxillaris
  • Carolina coralbead Cocculus carolinus
  • Carolina geranium Geranium carolinianum
  • Carolina larkspur Delphinium carolinianum
  • Carolina puccoon Lithospermum caroliniense
  • Carolina woollywhite Hymenopappus scabiosaeus
  • clasping Venus' looking-glass Triodanis perfoliata
  • common cinquefoil Potentilla simplex
  • Cuman ragweed Ambrosia psilostachya
  • curlycup gumweed Grindelia squarrosa
  • Davis' sedge Carex davisii
  • downy ragged goldenrod Solidago petiolaris
  • Drummond's halfchaff sedge Lipocarpha drummondii
  • dwarf horseweed Conyza ramosissima
  • Engelmann's daisy Engelmannia peristenia
  • field pansy Viola bicolor
  • fiveangled dodder Cuscuta pentagona
  • Florida paspalum Paspalum floridanum
  • green antelopehorn Asclepias viridis
  • hairy woodland brome Bromus pubescens
  • hairyfruit chervil Chaerophyllum tainturieri
  • Heller's rosette grass Dichanthelium oligosanthes
  • hogwort Croton capitatus
  • Jersey tea Ceanothus herbaceus
  • lanceleaf blanketflower Gaillardia aestivalis
  • largebracted plantain Plantago aristata
  • lateflowering thoroughwort Eupatorium serotinum
  • licorice bedstraw Galium circaezans
  • Louisiana vetch Vicia ludoviciana
  • man of the earth Ipomoea pandurata
  • meadow garlic Allium canadense
  • narrowleaf gumweed Grindelia lanceolata
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • Nuttall's prairie parsley Polytaenia nuttallii
  • obedient plant Physostegia virginiana
  • poverty dropseed Sporobolus vaginiflorus
  • prairie groundsel Packera plattensis
  • prairie sunflower Helianthus petiolaris
  • prairie tea Croton monanthogynus
  • prairie threeawn Aristida oligantha
  • purple cliffbrake Pellaea atropurpurea
  • rough dropseed Sporobolus clandestinus
  • roundleaf ragwort Packera obovata
  • silverleaf nightshade Solanum elaeagnifolium
  • sleepy silene Silene antirrhina
  • slender fimbry Fimbristylis autumnalis
  • slender snakecotton Froelichia gracilis
  • slickseed fuzzybean Strophostyles leiosperma
  • slimflower scurfpea Psoralidium tenuiflorum
  • smallflower fumewort Corydalis micrantha
  • soft goldenaster Chrysopsis pilosa
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • southern dewberry Rubus trivialis
  • Spanish gold Grindelia papposa
  • spotted sandmat Chamaesyce maculata
  • spurred butterfly pea Centrosema virginianum
  • standing-cypress Ipomopsis rubra
  • stemless Townsend daisy Townsendia exscapa
  • Texas vervain Verbena halei
  • tiny bluet Houstonia pusilla
  • toothed spurge Euphorbia dentata
  • trailing pearlwort Sagina decumbens
  • twistspine pricklypear Opuntia macrorhiza
  • warty spurge Euphorbia spathulata
  • wavyleaf thistle Cirsium undulatum
  • wedgeleaf draba Draba cuneifolia
  • western rough goldenrod Solidago radula
  • white crownbeard Verbesina virginica
  • white four o'clock Mirabilis albida
  • white heath aster Symphyotrichum ericoides
  • whorled milkweed Asclepias verticillata
  • witchgrass Panicum capillare
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.

  • Mexican teaDysphania ambrosioides

Compared with Texas

The typical county is the median of the 254 Texas 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, Johnson County and Texas
MeasureJohnson CountyTypical countyStatewide
Native species 123 145 1,683
Garden-ready natives 38 61 656
Tree 5 — 164
Shrub 3 — 90
Wildflower (forb) 78 — 877
Grass or grass-like 27 — 431
Vine 8 — 83
Fern 2 — 38

Neighboring counties

Counties that share a ZIP code with Johnson 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
Johnson County (county FIPS 48251), Texas. 123 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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