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Native plants · Texas

Native plants of Calhoun County

220 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Calhoun County by USDA PLANTS. 79 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

Calhoun County, Texas

Native species
220 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives
79 Typical Texas county: 61
Share by type (all 220 native species)
Percent of the 220 native species in each growth type
Tree 6% (13)
Shrub 2% (4)
Wildflower (forb) 57% (126)
Grass or grass-like 29% (64)
Vine 6% (13)

Wildflowers make up the largest share of the native list (57%), followed by grasses and grass-like plants (29%).

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 9b (2023 map).

The native plant list

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

Garden-ready natives 79

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

Garden-ready native plants of Calhoun County, Texas
PlantType HeightLight Water useHardy to
alkali sacaton Sporobolus airoides Grass or grass-like 3 ft Sun Low Zone 3b
American water-willow Justicia americana Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4b
bayhops Ipomoea pes-caprae Vine 1 ft Sun–part shade Medium Zone 9a
big bluestem Andropogon gerardii Grass or grass-like 6 ft Sun Low Zone 2b
black mangrove Avicennia germinans Tree 30 ft Sun High Zone 8a
blackjack oak Quercus marilandica Tree 25 ft Sun Low Zone 6a
brownseed paspalum Paspalum plicatulum Grass or grass-like 3.3 ft Sun–part shade Low Zone 8a
bushy seaside tansy Borrichia frutescens Shrub 2.6 ft Sun Medium Zone 9a
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Canada goldenrod Solidago altissima Wildflower (forb) 5 ft Sun–part shade Medium Zone 4b
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
Carolina desert-thorn Lycium carolinianum Shrub 9 ft Sun High Zone 9a
cat greenbrier Smilax glauca Vine 1 ft Shade-tolerant Medium Zone 6a
common threesquare Schoenoplectus pungens Grass or grass-like 4.9 ft Sun High Zone 3b
cucumberleaf sunflower Helianthus debilis Wildflower (forb) 6 in Sun Medium Zone 9b
cylinder jointtail grass Coelorachis cylindrica Grass or grass-like 3.2 ft Sun–part shade Low Zone 5a
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
dwarf palmetto Sabal minor Tree 9 ft Shade-tolerant High Zone 8a
eastern baccharis Baccharis halimifolia Tree 10 ft Sun–part shade High Zone 7a
eastern gamagrass Tripsacum dactyloides Grass or grass-like 5 ft Sun High Zone 5a
giant cutgrass Zizaniopsis miliacea Grass or grass-like 9 ft Sun High Zone 8b
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
grassleaf rush Juncus marginatus Grass or grass-like 2 ft Sun–part shade Medium Zone 5a
Gulf Coast spikerush Eleocharis cellulosa Grass or grass-like 2.6 ft Sun High Zone 8b
gulf cordgrass Spartina spartinae Grass or grass-like 6.6 ft Sun Medium Zone 9a
hairawn muhly Muhlenbergia capillaris Grass or grass-like 3 ft Sun High Zone 8a
halberdleaf rosemallow Hibiscus laevis Wildflower (forb) 8 ft Sun–part shade High Zone 6a
honey mesquite Prosopis glandulosa Tree 50 ft Sun Low Zone 6a
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
Jesuit's bark Iva frutescens Wildflower (forb) 9 ft Sun High Zone 7b
knotgrass Paspalum distichum Grass or grass-like 11 in Sun High Zone 6a
laurel oak Quercus laurifolia Tree 70 ft Shade-tolerant Medium Zone 7a
lavender thrift Limonium carolinianum Wildflower (forb) 2 ft Sun High Zone 6b
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
live oak Quercus virginiana Tree 50 ft Sun–part shade Medium Zone 8a
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
longtom Paspalum denticulatum Grass or grass-like 2 ft Sun–part shade High Zone 8b
manyspike flatsedge Cyperus polystachyos Grass or grass-like 1.6 ft Sun Medium Zone 12a
marsh flatsedge Cyperus pseudovegetus Grass or grass-like 2.5 ft Sun High Zone 8a
mescal bean Sophora secundiflora Tree 15 ft Sun Medium Zone 8a
needlegrass rush Juncus roemerianus Grass or grass-like 4.9 ft Sun High Zone 9a
needleleaf rosette grass Dichanthelium aciculare Grass or grass-like 1.6 ft Sun–part shade Low Zone 7b
partridge pea Chamaecrista fasciculata Wildflower (forb) 2.4 ft Shade-tolerant Medium Zone 7a
peppervine Nekemias arborea Vine 1 in Shade-tolerant Medium Zone 6a
post oak Quercus stellata Tree 60 ft Sun Medium Zone 4a
purple poppymallow Callirhoe involucrata Wildflower (forb) 1 ft Sun Medium Zone 3b
purplehead sneezeweed Helenium flexuosum Wildflower (forb) 3.2 ft Sun Low Zone 4b
redbay Persea borbonia Tree 70 ft Shade-tolerant High Zone 8a
redtop panicgrass Panicum rigidulum Grass or grass-like 3.3 ft Sun High Zone 4a
roundhead rush Juncus validus Grass or grass-like 3.2 ft Sun–part shade High Zone 7a
roving sailor Maurandella antirrhiniflora Vine 10 in Sun Medium Zone 6b
salt heliotrope Heliotropium curassavicum Wildflower (forb) 1.2 ft Sun Medium Zone 4b
saltgrass Distichlis spicata Grass or grass-like 1.1 ft Sun Medium Zone 3b
saltmeadow cordgrass Spartina patens Grass or grass-like 2 ft Sun High Zone 7a
seaoats Uniola paniculata Grass or grass-like 6 ft Sun Low Zone 8a
seashore dropseed Sporobolus virginicus Grass or grass-like 2 ft Sun–part shade Low Zone 9a
seashore paspalum Paspalum vaginatum Grass or grass-like 1 in Sun High Zone 8b
shortbristle horned beaksedge Rhynchospora corniculata Grass or grass-like 6.6 ft Sun Medium Zone 6a
smooth cordgrass Spartina alterniflora Grass or grass-like 3.5 ft Sun High Zone 5a
southern red oak Quercus falcata Tree 75 ft Sun–part shade Medium Zone 6a
splitbeard bluestem Andropogon ternarius Grass or grass-like 3.9 ft Shade-tolerant Low Zone 5b
spreading alkaliweed Cressa truxillensis Wildflower (forb) 10 in Sun Medium Zone 6a
spring spiderlily Hymenocallis liriosme Wildflower (forb) 3 ft Sun Medium Zone 7b
sturdy bulrush Bolboschoenus robustus Grass or grass-like 4.9 ft Sun High Zone 8a
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
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
turkey tangle fogfruit Phyla nodiflora Wildflower (forb) 2 in Sun–part shade Low Zone 5b
turtleweed Batis maritima Shrub 1 in Sun Medium Zone 9a
whiteroot rush Juncus brachycarpus Grass or grass-like 3 ft Sun–part shade Medium Zone 5a
widgeongrass Ruppia maritima Wildflower (forb) 2 in Sun High Zone 7a
wild tantan Desmanthus virgatus Wildflower (forb) 2 ft Shade-tolerant Low Zone 9a
winter bentgrass Agrostis hyemalis Grass or grass-like 3.5 ft Sun–part shade High Zone 4a
yaupon Ilex vomitoria Tree 25 ft Sun–part shade Low Zone 8a
yellow waterlily Nymphaea mexicana Wildflower (forb) — Sun High Zone 7a

Other native species recorded here 141

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.

  • anisescented goldenrod Solidago odora
  • annual phlox Phlox drummondii
  • annual seepweed Suaeda linearis
  • arrowfeather threeawn Aristida purpurascens
  • Baldwin's flatsedge Cyperus croceus
  • beach false foxglove Agalinis fasciculata
  • beaked cornsalad Valerianella radiata
  • bearded skeletongrass Gymnopogon ambiguus
  • big carpetgrass Axonopus furcatus
  • bigseed alfalfa dodder Cuscuta indecora
  • bluestem pricklypoppy Argemone albiflora
  • Bosc's mille graines Oldenlandia boscii
  • branched foldwing Dicliptera brachiata
  • bushy knotweed Polygonum ramosissimum
  • button eryngo Eryngium yuccifolium
  • camphorweed Heterotheca subaxillaris
  • Carolina geranium Geranium carolinianum
  • Carolina larkspur Delphinium carolinianum
  • Carolina ponysfoot Dichondra carolinensis
  • chickenthief Mentzelia oligosperma
  • clasping Venus' looking-glass Triodanis perfoliata
  • clustered mille graines Oldenlandia uniflora
  • common carpetgrass Axonopus fissifolius
  • Cuman ragweed Ambrosia psilostachya
  • cusp dodder Cuscuta cuspidata
  • cutleaf evening primrose Oenothera laciniata
  • cutleaf groundcherry Physalis angulata
  • cylindricfruit primrose-willow Ludwigia glandulosa
  • densetuft hairsedge Bulbostylis capillaris
  • diamond-flowers Stenaria nigricans
  • downy lobelia Lobelia puberula
  • Drummond's halfchaff sedge Lipocarpha drummondii
  • dwarf saltwort Salicornia bigelovii
  • fiveangled dodder Cuscuta pentagona
  • globe flatsedge Cyperus echinatus
  • green antelopehorn Asclepias viridis
  • green carpetweed Mollugo verticillata
  • green comet milkweed Asclepias viridiflora
  • Guadeloupe cucumber Melothria pendula
  • gum bully Sideroxylon lanuginosum
  • hairy fimbry Fimbristylis puberula
  • hairy pinweed Lechea mucronata
  • hairyseed paspalum Paspalum pubiflorum
  • Harvey's beaksedge Rhynchospora harveyi
  • heartleaf nettle Urtica chamaedryoides
  • Heller's rosette grass Dichanthelium oligosanthes
  • hemlock rosette grass Dichanthelium sabulorum
  • herb of grace Bacopa monnieri
  • hogwort Croton capitatus
  • horned pondweed Zannichellia palustris
  • husk tomato Physalis pubescens
  • juniper leaf Polypremum procumbens
  • keeled bulrush Isolepis carinata
  • kiss me quick Portulaca pilosa
  • lanceleaf blanketflower Gaillardia aestivalis
  • least duckweed Lemna minuta
  • lemon beebalm Monarda citriodora
  • lesser duckweed Lemna aequinoctialis
  • longflower beeblossom Oenothera filiformis
  • Louisiana vetch Vicia ludoviciana
  • low spearwort Ranunculus pusillus
  • Madagascar dropseed Sporobolus pyramidatus
  • manyflower marshpennywort Hydrocotyle umbellata
  • marsh bristlegrass Setaria parviflora
  • marsh fimbry Fimbristylis castanea
  • narrowleaf primrose-willow Ludwigia linearis
  • narrowleaf stoneseed Lithospermum incisum
  • nits and lice Hypericum drummondii
  • Nuttall's prairie parsley Polytaenia nuttallii
  • Pennsylvania pellitory Parietaria pensylvanica
  • perennial saltmarsh aster Symphyotrichum tenuifolium
  • pine barren flatsedge Cyperus retrorsus
  • pink thoroughwort Fleischmannia incarnata
  • pinkladies Oenothera speciosa
  • pitseed goosefoot Chenopodium berlandieri
  • poorjoe Diodia teres
  • prairie broomweed Amphiachyris dracunculoides
  • prairie cupgrass Eriochloa contracta
  • purple sandgrass Triplasis purpurea
  • racemed milkwort Polygala polygama
  • red lovegrass Eragrostis secundiflora
  • redseed plantain Plantago rhodosperma
  • redwhisker clammyweed Polanisia dodecandra
  • roundfruit hedgehyssop Gratiola virginiana
  • saltmarsh false foxglove Agalinis maritima
  • sand spikerush Eleocharis montevidensis
  • scarlet spiderling Boerhavia coccinea
  • showy evening primrose Oenothera grandis
  • silverleaf nightshade Solanum elaeagnifolium
  • sixweeks fescue Vulpia octoflora
  • sleepy silene Silene antirrhina
  • slender plantain Plantago heterophylla
  • slimspike threeawn Aristida longespica
  • small Venus' looking-glass Triodanis biflora
  • smallflower fumewort Corydalis micrantha
  • smallhead doll's daisy Boltonia diffusa
  • sneezeweed Helenium amarum
  • sorrelvine Cissus trifoliata
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • southern cattail Typha domingensis
  • southern cutgrass Leersia hexandra
  • southern dewberry Rubus trivialis
  • spiked crested coralroot Hexalectris spicata
  • spoonleaf purple everlasting Gamochaeta purpurea
  • spotted beebalm Monarda punctata
  • spotted sandmat Chamaesyce maculata
  • spring lady's tresses Spiranthes vernalis
  • spurred butterfly pea Centrosema virginianum
  • St. Andrew's cross Hypericum hypericoides
  • stiff yellow flax Linum medium
  • stinking camphorweed Pluchea foetida
  • sunbright Phemeranthus parviflorus
  • swamp leather flower Clematis crispa
  • Texas croton Croton texensis
  • Texas goldentop Euthamia gymnospermoides
  • Texas star Sabatia campestris
  • Texas vervain Verbena halei
  • thin paspalum Paspalum setaceum
  • tiny bluet Houstonia pusilla
  • trailing pearlwort Sagina decumbens
  • tropical flatsedge Cyperus surinamensis
  • tumblegrass Schedonnardus paniculatus
  • upright burhead Echinodorus berteroi
  • verrucose seapurslane Sesuvium verrucosum
  • Virginia buttonweed Diodia virginiana
  • Virginia pepperweed Lepidium virginicum
  • Virginia plantain Plantago virginica
  • Virginia saltmarsh mallow Kosteletzkya virginica
  • Virginia winged rockcress Sibara virginica
  • warty spurge Euphorbia spathulata
  • western tansymustard Descurainia pinnata
  • whip nutrush Scleria triglomerata
  • white crownbeard Verbesina virginica
  • whitemouth dayflower Commelina erecta
  • whorled milkwort Polygala verticillata
  • winged lythrum Lythrum alatum
  • woolly tidestromia Tidestromia lanuginosa
  • yankeeweed Eupatorium compositifolium
  • yellow spikerush Eleocharis flavescens
  • yellow thistle Cirsium horridulum
  • yellowseed false pimpernel Lindernia dubia
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, Calhoun County and Texas
MeasureCalhoun CountyTypical countyStatewide
Native species 220 145 1,683
Garden-ready natives 79 61 656
Tree 13 — 164
Shrub 4 — 90
Wildflower (forb) 126 — 877
Grass or grass-like 64 — 431
Vine 13 — 83
Fern 0 — 38

Neighboring counties

Counties that share a ZIP code with Calhoun 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
Calhoun County (county FIPS 48057), Texas. 220 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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