Native plants · Texas

Native plants of Delta County

87 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Delta County by USDA PLANTS. 31 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Delta County, Texas

Native species
87 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives
31 Typical Texas county: 61
Share by type (all 87 native species)
Percent of the 87 native species in each growth type
Tree 7% (6)
Shrub 3% (3)
Wildflower (forb) 57% (50)
Grass or grass-like 29% (25)
Vine 3% (3)

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 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 31

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

Garden-ready native plants of Delta County, Texas
PlantType HeightLight Water useHardy to
American pokeweed Phytolacca americana Wildflower (forb) 7.3 ft Shade-tolerant Medium Zone 4a
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
blunt broom sedge Carex tribuloides Grass or grass-like 3 ft Shade-tolerant Medium Zone 4b
broadleaf signalgrass Urochloa platyphylla Grass or grass-like 3 ft Sun Medium Zone 9a
burningbush Euonymus atropurpureus Tree 10 ft Shade-tolerant Low —
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
common blue violet Viola sororia Wildflower (forb) 4 in Sun–part shade High Zone 4b
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
dwarf St. Johnswort Hypericum mutilum Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 5a
flatstem spikerush Eleocharis compressa Grass or grass-like 2 ft Sun High Zone 4a
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
frost grape Vitis vulpina Vine 83 ft Sun–part shade Medium Zone 5a
green ash Fraxinus pennsylvanica Tree 80 ft Shade-tolerant Medium Zone 2b
greenwhite sedge Carex albolutescens Grass or grass-like 3.9 ft Sun–part shade Medium Zone 3b
halberdleaf rosemallow Hibiscus laevis Wildflower (forb) 8 ft Sun–part shade High Zone 6a
panicledleaf ticktrefoil Desmodium paniculatum Wildflower (forb) 3 ft Sun–part shade Low Zone 6a
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
prairie Junegrass Koeleria macrantha Grass or grass-like 1.5 ft Shade-tolerant High Zone 3b
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
shoreline sedge Carex hyalinolepis Grass or grass-like 4 ft Sun–part shade High Zone 4b
Shumard's oak Quercus shumardii Tree 100 ft Sun Medium Zone 5a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
spotted St. Johnswort Hypericum punctatum Wildflower (forb) 3 ft Shade-tolerant Medium Zone 4a
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
thinfruit sedge Carex flaccosperma Grass or grass-like 1 ft Shade-tolerant High Zone 6b
white avens Geum canadense Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
white edge sedge Carex debilis Grass or grass-like 3 ft Shade-tolerant High Zone 6a
woolgrass Scirpus cyperinus Grass or grass-like 4.9 ft Sun–part shade High Zone 4a
yellow passionflower Passiflora lutea Vine 16 ft Shade-tolerant Low Zone 5a

Other native species recorded here 56

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 bird's-foot trefoil Lotus unifoliolatus
  • Aunt Lucy Ellisia nyctelea
  • azure blue sage Salvia azurea
  • beaked cornsalad Valerianella radiata
  • bluestem pricklypoppy Argemone albiflora
  • Carolina geranium Geranium carolinianum
  • Carolina larkspur Delphinium carolinianum
  • Carolina sedge Carex caroliniana
  • cylindricfruit primrose-willow Ludwigia glandulosa
  • Dakota mock vervain Glandularia bipinnatifida
  • Davis' sedge Carex davisii
  • diamond-flowers Stenaria nigricans
  • downy phlox Phlox pilosa
  • eastern fox sedge Carex triangularis
  • fescue sedge Carex festucacea
  • field pansy Viola bicolor
  • garden dewberry Rubus aboriginum
  • green carpetweed Mollugo verticillata
  • heartleaf four o'clock Mirabilis nyctaginea
  • hirsute sedge Carex complanata
  • inflated narrow-leaf sedge Carex grisea
  • largebracted plantain Plantago aristata
  • licorice bedstraw Galium circaezans
  • Long's sedge Carex longii
  • longleaf groundcherry Physalis longifolia
  • lowland rotala Rotala ramosior
  • lyreleaf sage Salvia lyrata
  • neckweed Veronica peregrina
  • northern dewberry Rubus flagellaris
  • Nuttall's prairie parsley Polytaenia nuttallii
  • pale dock Rumex altissimus
  • pale spikerush Eleocharis macrostachya
  • Pennsylvania pellitory Parietaria pensylvanica
  • pinkladies Oenothera speciosa
  • pleatleaf knotweed Polygonum tenue
  • poorjoe Diodia teres
  • prune-fruit sedge Carex corrugata
  • rough dropseed Sporobolus clandestinus
  • shortbeak sedge Carex brevior
  • silvery everlasting Gamochaeta argyrinea
  • small skullcap Scutellaria parvula
  • smallflower fumewort Corydalis micrantha
  • southern dewberry Rubus trivialis
  • spotted beebalm Monarda punctata
  • St. Andrew's cross Hypericum hypericoides
  • sunbright Phemeranthus parviflorus
  • Texas sedge Carex texensis
  • Texas star Sabatia campestris
  • Texas vervain Verbena halei
  • tiny bluet Houstonia pusilla
  • Virginia plantain Plantago virginica
  • Virginia springbeauty Claytonia virginica
  • warty caltrop Kallstroemia parviflora
  • white vervain Verbena urticifolia
  • whitetinge sedge Carex albicans
  • whorled milkwort Polygala verticillata

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, Delta County and Texas
MeasureDelta CountyTypical countyStatewide
Native species 87 145 1,683
Garden-ready natives 31 61 656
Tree 6 — 164
Shrub 3 — 90
Wildflower (forb) 50 — 877
Grass or grass-like 25 — 431
Vine 3 — 83
Fern 0 — 38

Neighboring counties

Counties that share a ZIP code with Delta 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
Delta County (county FIPS 48119), Texas. 87 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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