Native plants · Texas

Native plants of Throckmorton County

46 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Throckmorton County by USDA PLANTS. 26 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

Throckmorton County, Texas

PLANTS records only 26 garden-ready natives here (under 30). County records are thin in some places; the Texas list is a useful second check.

Native species
46 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives
26 Typical Texas county: 61
Share by type (all 46 native species)
Percent of the 46 native species in each growth type
Tree 9% (4)
Wildflower (forb) 52% (24)
Grass or grass-like 37% (17)
Fern 2% (1)

Wildflowers make up the largest share of the native list (52%), followed by grasses and grass-like plants (37%).

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 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 26

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

Garden-ready native plants of Throckmorton County, Texas
PlantType HeightLight Water useHardy to
American water-willow Justicia americana Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4b
blackjack oak Quercus marilandica Tree 25 ft Sun Low Zone 6a
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
curly-mesquite Hilaria belangeri Grass or grass-like 10 in Sun Low Zone 8b
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
fragrant flatsedge Cyperus odoratus Grass or grass-like 2 ft Sun Medium Zone 11b
Goodding's willow Salix gooddingii Tree 40 ft Sun High Zone 5a
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
hardstem bulrush Schoenoplectus acutus Grass or grass-like 9.8 ft Sun High Zone 3b
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
Indiangrass Sorghastrum nutans Grass or grass-like 6 ft Sun Medium Zone 3b
inland rush Juncus interior Grass or grass-like 3 ft Sun–part shade Medium Zone 3b
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
oneseed juniper Juniperus monosperma Tree 40 ft Sun Low Zone 6a
post oak Quercus stellata Tree 60 ft Sun Medium Zone 4a
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
southern waternymph Najas guadalupensis Wildflower (forb) 1 ft Sun High Zone 3b
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low 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
valdivia duckweed Lemna valdiviana Wildflower (forb) 1 in Sun High Zone 4a
vine mesquite Panicum obtusum Grass or grass-like 2 ft Sun–part shade High Zone 5a
western wheatgrass Pascopyrum smithii Grass or grass-like 2 ft Sun Medium Zone 3a

Other native species recorded here 20

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 wild carrot Daucus pusillus
  • bighead pygmycudweed Evax prolifera
  • Carolina geranium Geranium carolinianum
  • Carolina woollywhite Hymenopappus scabiosaeus
  • curlycup gumweed Grindelia squarrosa
  • Dakota mock vervain Glandularia bipinnatifida
  • hairy waterclover Marsilea vestita
  • Hopi tea greenthread Thelesperma megapotamicum
  • matted sandmat Chamaesyce serpens
  • prairie broomweed Amphiachyris dracunculoides
  • prairie cupgrass Eriochloa contracta
  • sixweeks fescue Vulpia octoflora
  • sleepy silene Silene antirrhina
  • small pondweed Potamogeton pusillus
  • small Venus' looking-glass Triodanis biflora
  • southern cattail Typha domingensis
  • Texas bergia Bergia texana
  • Texas vervain Verbena halei
  • upright burhead Echinodorus berteroi
  • warty spurge Euphorbia spathulata
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.

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, Throckmorton County and Texas
MeasureThrockmorton CountyTypical countyStatewide
Native species 46 145 1,683
Garden-ready natives 26 61 656
Tree 4 — 164
Shrub 0 — 90
Wildflower (forb) 24 — 877
Grass or grass-like 17 — 431
Vine 0 — 83
Fern 1 — 38

Neighboring counties

Counties that share a ZIP code with Throckmorton 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
Throckmorton County (county FIPS 48447), Texas. 46 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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