Native plants · Texas

Native plants of Webb County

136 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Webb County by USDA PLANTS. 56 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 5 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Webb County, Texas

Native species
136 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives
56 Typical Texas county: 61
Share by type (all 136 native species)
Percent of the 136 native species in each growth type
Tree 5% (7)
Shrub 5% (7)
Wildflower (forb) 59% (80)
Grass or grass-like 25% (34)
Vine 5% (7)
Fern <1% (1)

Wildflowers make up the largest share of the native list (59%), followed by grasses and grass-like plants (25%).

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 56

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

Garden-ready native plants of Webb 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
Arizona cottontop Digitaria californica Grass or grass-like 4 ft Sun Low Zone 6a
big sacaton Sporobolus wrightii Grass or grass-like 5.5 ft Sun Medium Zone 6a
black willow Salix nigra Tree 100 ft Sun High Zone 1b
blue mistflower Conoclinium coelestinum Wildflower (forb) 3.2 ft Shade-tolerant Medium Zone 6a
broom snakeweed Gutierrezia sarothrae Shrub 1.5 ft Sun Medium Zone 3b
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
bushy seaside tansy Borrichia frutescens Shrub 2.6 ft Sun Medium Zone 9a
California bulrush Schoenoplectus californicus Grass or grass-like 6.6 ft Sun High Zone 9a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
cane bluestem Bothriochloa barbinodis Grass or grass-like 4 ft Sun Medium Zone 7b
Carolina desert-thorn Lycium carolinianum Shrub 9 ft Sun High Zone 9a
common threesquare Schoenoplectus pungens Grass or grass-like 4.9 ft Sun High Zone 3b
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
cosmopolitan bulrush Bolboschoenus maritimus Grass or grass-like 3.2 ft Sun Medium Zone 5a
creosote bush Larrea tridentata Shrub 10 ft Sun Low Zone 5a
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
false daisy Eclipta prostrata Wildflower (forb) 3.2 ft Sun–part shade Medium Zone 10b
featherplume Dalea formosa Shrub 3 ft Sun Low Zone 6a
fourwing saltbush Atriplex canescens Shrub 4 ft Sun Medium Zone 3a
fragrant flatsedge Cyperus odoratus Grass or grass-like 2 ft Sun Medium Zone 11b
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
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
honey mesquite Prosopis glandulosa Tree 50 ft Sun Low Zone 6a
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
lemonscent Pectis angustifolia Wildflower (forb) 8 in Sun Low Zone 5a
littleleaf sumac Rhus microphylla Tree 10 ft Sun Low Zone 6a
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
mule-fat Baccharis salicifolia Shrub 10 ft Sun Medium Zone 7a
Nuttall's povertyweed Monolepis nuttalliana Wildflower (forb) 10 in Sun Medium Zone 12a
partridge pea Chamaecrista fasciculata Wildflower (forb) 2.4 ft Shade-tolerant Medium Zone 7a
pecan Carya illinoinensis Tree 120 ft Sun High Zone 5a
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
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
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
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
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
tanglehead Heteropogon contortus Grass or grass-like 8 in Sun Low Zone 8a
tapertip flatsedge Cyperus acuminatus Grass or grass-like 1.3 ft Sun–part shade High Zone 3b
tobosagrass Pleuraphis mutica Grass or grass-like 2.3 ft Sun Low Zone 7b
turkey tangle fogfruit Phyla nodiflora Wildflower (forb) 2 in Sun–part shade Low Zone 5b
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
valley redstem Ammannia coccinea Wildflower (forb) 1.6 ft Sun Medium Zone 3b
wild tantan Desmanthus virgatus Wildflower (forb) 2 ft Shade-tolerant Low Zone 9a
yellow trumpetbush Tecoma stans Tree 20 ft Sun Low Zone 9a

Other native species recorded here 80

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 bugseed Corispermum americanum
  • American star-thistle Centaurea americana
  • American wild carrot Daucus pusillus
  • bigseed alfalfa dodder Cuscuta indecora
  • bluestem pricklypoppy Argemone albiflora
  • bristly scaleseed Spermolepis echinata
  • buffalobur nightshade Solanum rostratum
  • camphorweed Heterotheca subaxillaris
  • Canada spikesedge Eleocharis geniculata
  • carelessweed Amaranthus palmeri
  • Carolina woollywhite Hymenopappus scabiosaeus
  • coastal sandbur Cenchrus spinifex
  • creeping lovegrass Neeragrostis reptans
  • crowpoison Nothoscordum bivalve
  • Cuman ragweed Ambrosia psilostachya
  • curlytop knotweed Polygonum lapathifolium
  • Dakota mock vervain Glandularia bipinnatifida
  • desert horsepurslane Trianthema portulacastrum
  • Drummond's false pennyroyal Hedeoma drummondii
  • Engelmann's daisy Engelmannia peristenia
  • erect spiderling Boerhavia erecta
  • feather fingergrass Chloris virgata
  • fiveangled dodder Cuscuta pentagona
  • flatspine stickseed Lappula occidentalis
  • green carpetweed Mollugo verticillata
  • Guadeloupe cucumber Melothria pendula
  • gum bully Sideroxylon lanuginosum
  • hairy clustervine Jacquemontia tamnifolia
  • hairy waterclover Marsilea vestita
  • hairyseed paspalum Paspalum pubiflorum
  • herb of grace Bacopa monnieri
  • hogwort Croton capitatus
  • ivyleaf groundcherry Physalis hederifolia
  • juniper leaf Polypremum procumbens
  • kiss me quick Portulaca pilosa
  • Louisiana vetch Vicia ludoviciana
  • Madagascar dropseed Sporobolus pyramidatus
  • manyflower marshpennywort Hydrocotyle umbellata
  • matted sandmat Chamaesyce serpens
  • mucronate sprangletop Leptochloa panicea
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf stoneseed Lithospermum incisum
  • Pennsylvania everlasting Gamochaeta pensylvanica
  • Pennsylvania pellitory Parietaria pensylvanica
  • pinkladies Oenothera speciosa
  • pitseed goosefoot Chenopodium berlandieri
  • poorjoe Diodia teres
  • prairie tea Croton monanthogynus
  • prostrate sandmat Chamaesyce prostrata
  • ram's horn Proboscidea louisianica
  • red lovegrass Eragrostis secundiflora
  • redseed plantain Plantago rhodosperma
  • redwhisker clammyweed Polanisia dodecandra
  • ribseed sandmat Chamaesyce glyptosperma
  • sand spikerush Eleocharis montevidensis
  • scarlet spiderling Boerhavia coccinea
  • silverleaf nightshade Solanum elaeagnifolium
  • slender plantain Plantago heterophylla
  • slender snakecotton Froelichia gracilis
  • smallflower fumewort Corydalis micrantha
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • southern cattail Typha domingensis
  • southern dewberry Rubus trivialis
  • southern sandbur Cenchrus echinatus
  • spotted beebalm Monarda punctata
  • stemless evening primrose Oenothera triloba
  • Texas signalgrass Urochloa texana
  • Texas vervain Verbena halei
  • thin paspalum Paspalum setaceum
  • tiny bluet Houstonia pusilla
  • toothed spurge Euphorbia dentata
  • tufted lovegrass Eragrostis pectinacea
  • upright burhead Echinodorus berteroi
  • velvetweed Oenothera curtiflora
  • warty spurge Euphorbia spathulata
  • wedgeleaf draba Draba cuneifolia
  • western tansymustard Descurainia pinnata
  • whitemouth dayflower Commelina erecta
  • willowleaf aster Symphyotrichum praealtum
  • woolly tidestromia Tidestromia lanuginosa
Also listed as native and introduced here 5

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.

  • cayenne pepperCapsicum annuum
  • common reedPhragmites australis
  • floating primrose-willowLudwigia peploides
  • Mexican teaDysphania ambrosioides
  • white sagebrushArtemisia ludoviciana

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, Webb County and Texas
MeasureWebb CountyTypical countyStatewide
Native species 136 145 1,683
Garden-ready natives 56 61 656
Tree 7 — 164
Shrub 7 — 90
Wildflower (forb) 80 — 877
Grass or grass-like 34 — 431
Vine 7 — 83
Fern 1 — 38

Neighboring counties

Counties that share a ZIP code with Webb 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
Webb County (county FIPS 48479), Texas. 136 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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