Native plants · Texas

Native plants of San Augustine County

301 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in San Augustine County by USDA PLANTS. 118 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

San Augustine County, Texas

Native species: 301 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives: 118 Typical Texas county: 61
Share by type (all 301 native species): Percent of the 301 native species in each growth type

Tree 12% (37)
Shrub 3% (10)
Wildflower (forb) 46% (139)
Grass or grass-like 28% (84)
Vine 6% (19)
Fern 4% (12)

Wildflowers make up the largest share of the native list (46%), followed by grasses and grass-like plants (28%).

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 zones 8b to 9a (2023 map).

The native plant list

Garden-ready natives 118

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

Garden-ready native plants of San Augustine County, Texas
Plant	Type	Height	Light	Water use	Hardy to
American holly Ilex opaca	Tree	40 ft	Shade-tolerant	Medium	Zone 5a
American hornbeam Carpinus caroliniana	Tree	30 ft	Shade-tolerant	Medium	Zone 4a
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
autumn bluegrass Poa autumnalis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 6b
beaked agrimony Agrimonia rostellata	Wildflower (forb)	2.3 ft	Sun–part shade	Medium	Zone 4a
bearded beggarticks Bidens aristosa	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12b
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
bigleaf snowbell Styrax grandifolius	Tree	10 ft	Sun–part shade	—	Zone 4b
blunt spikerush Eleocharis obtusa	Grass or grass-like	1.6 ft	Sun	Medium	Zone 11a
boxelder Acer negundo	Tree	60 ft	Shade-tolerant	Medium	Zone 2b
broomsedge bluestem Andropogon virginicus	Grass or grass-like	3 ft	Sun	Medium	Zone 5b
brownseed paspalum Paspalum plicatulum	Grass or grass-like	3.3 ft	Sun–part shade	Low	Zone 8a
bulbous bittercress Cardamine bulbosa	Wildflower (forb)	1.4 ft	Shade-tolerant	Medium	Zone 4a
bursting-heart Euonymus americanus	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 5a
butterfly milkweed Asclepias tuberosa	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
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
Canadian lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
cat greenbrier Smilax glauca	Vine	1 ft	Shade-tolerant	Medium	Zone 6a
catchfly grass Leersia lenticularis	Grass or grass-like	2.6 ft	Sun	Medium	Zone 4a
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
clasping coneflower Dracopis amplexicaulis	Wildflower (forb)	2 ft	Sun	High	Zone 10b
cockspur hawthorn Crataegus crus-galli	Tree	30 ft	Sun	Low	Zone 4a
common blue violet Viola sororia	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4b
common goldstar Hypoxis hirsuta	Wildflower (forb)	10 in	Sun–part shade	Medium	Zone 4a
common rush Juncus effusus	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
composite dropseed Sporobolus compositus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
cucumberleaf sunflower Helianthus debilis	Wildflower (forb)	6 in	Sun	Medium	Zone 9b
deerberry Vaccinium stamineum	Shrub	16 ft	Shade-tolerant	Low	Zone 5a
devil's darning needles Clematis virginiana	Vine	15 ft	Sun–part shade	Medium	Zone 3b
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
eastern baccharis Baccharis halimifolia	Tree	10 ft	Sun–part shade	High	Zone 7a
eastern narrowleaf sedge Carex amphibola	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 7a
eastern redbud Cercis canadensis	Tree	30 ft	Shade-tolerant	Low	Zone 4b
eastern redcedar Juniperus virginiana	Tree	50 ft	Sun–part shade	Low	Zone 3a
farkleberry Vaccinium arboreum	Tree	28 ft	Shade-tolerant	Medium	Zone 6a
flatstem spikerush Eleocharis compressa	Grass or grass-like	2 ft	Sun	High	Zone 4a
flowering dogwood Cornus florida	Tree	30 ft	Shade-tolerant	Low	Zone 4b
fox sedge Carex vulpinoidea	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3b
fringed sedge Carex crinita	Grass or grass-like	5.2 ft	Sun–part shade	Medium	Zone 4a
fringeleaf wild petunia Ruellia humilis	Wildflower (forb)	2.6 ft	Shade-tolerant	Low	Zone 4a
frost grape Vitis vulpina	Vine	83 ft	Sun–part shade	Medium	Zone 5a
Georgia bulrush Scirpus georgianus	Grass or grass-like	4.5 ft	Sun–part shade	Medium	Zone 3b
giant cane Arundinaria gigantea	Shrub	25 ft	Sun	Medium	Zone 5a
graybark grape Vitis cinerea	Vine	50 ft	Sun–part shade	Medium	Zone 6b
greater bladder sedge Carex intumescens	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
green arrow arum Peltandra virginica	Wildflower (forb)	2.3 ft	Sun–part shade	High	Zone 5a
green bulrush Scirpus atrovirens	Grass or grass-like	5.9 ft	Sun	Medium	Zone 2a
green hawthorn Crataegus viridis	Tree	30 ft	Sun	High	Zone 5a
hairy grama Bouteloua hirsuta	Grass or grass-like	6 in	Sun	Low	Zone 3b
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
hazel alder Alnus serrulata	Tree	30 ft	Sun	High	Zone 5a
hop sedge Carex lupulina	Grass or grass-like	4.3 ft	Sun–part shade	Medium	Zone 3b
Indian woodoats Chasmanthium latifolium	Grass or grass-like	4.6 ft	Shade-tolerant	Medium	Zone 4a
Indiangrass Sorghastrum nutans	Grass or grass-like	6 ft	Sun	Medium	Zone 3b
Jack in the pulpit Arisaema triphyllum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 5b
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
leadplant Amorpha canescens	Shrub	4 ft	Shade-tolerant	Low	Zone 3b
limestone meadow sedge Carex granularis	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 4a
little bluestem Schizachyrium scoparium	Grass or grass-like	3 ft	Sun	Low	Zone 3b
littleleaf buttercup Ranunculus abortivus	Wildflower (forb)	2.8 ft	Shade-tolerant	Medium	Zone 3a
loblolly pine Pinus taeda	Tree	100 ft	Sun	High	Zone 6b
longleaf pine Pinus palustris	Tree	120 ft	Sun	Medium	Zone 7a
longleaf woodoats Chasmanthium sessiliflorum	Grass or grass-like	5 ft	Sun	Medium	Zone 7a
mapleleaf viburnum Viburnum acerifolium	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
mountain azalea Rhododendron canescens	Shrub	14 ft	Shade-tolerant	Medium	Zone 6a
narrowleaf silkgrass Pityopsis graminifolia	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 7a
needleleaf rosette grass Dichanthelium aciculare	Grass or grass-like	1.6 ft	Sun–part shade	Low	Zone 7b
nodding lady's tresses Spiranthes cernua	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
northern spicebush Lindera benzoin	Tree	12 ft	Sun–part shade	Medium	Zone 5a
nutmeg hickory Carya myristiciformis	Tree	95 ft	Sun	Medium	Zone 6a
overcup oak Quercus lyrata	Tree	80 ft	Sun–part shade	High	Zone 5a
parsley hawthorn Crataegus marshallii	Tree	25 ft	Shade-tolerant	Medium	Zone 7a
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
pawpaw Asimina triloba	Tree	25 ft	Shade-tolerant	Medium	Zone 4b
plains lovegrass Eragrostis intermedia	Grass or grass-like	2.7 ft	Sun	Low	Zone 5a
possumhaw Viburnum nudum	Tree	15 ft	Shade-tolerant	Medium	Zone 4a
possumhaw Ilex decidua	Tree	33 ft	Shade-tolerant	Medium	Zone 5b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
prickly bog sedge Carex atlantica	Grass or grass-like	1.8 ft	Sun–part shade	High	Zone 5b
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
purpletop tridens Tridens flavus	Grass or grass-like	2.5 ft	Sun	Low	Zone 5a
rattlesnake fern Botrychium virginianum	Fern	1.4 ft	Shade-tolerant	Medium	Zone 3b
red buckeye Aesculus pavia	Tree	25 ft	Shade-tolerant	High	Zone 5a
red maple Acer rubrum	Tree	68 ft	Sun–part shade	High	Zone 2b
redtop panicgrass Panicum rigidulum	Grass or grass-like	3.3 ft	Sun	High	Zone 4a
roughleaf dogwood Cornus drummondii	Tree	20 ft	Sun–part shade	Low	Zone 4b
roundleaf greenbrier Smilax rotundifolia	Vine	1 ft	Sun	Medium	Zone 4a
salt heliotrope Heliotropium curassavicum	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4b
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
shortbeard plumegrass Saccharum brevibarbe	Grass or grass-like	6.5 ft	Sun	Medium	Zone 6b
shortleaf pine Pinus echinata	Tree	100 ft	Sun	Medium	Zone 5b
sideoats grama Bouteloua curtipendula	Grass or grass-like	3 ft	Sun	Medium	Zone 3a
slender woodoats Chasmanthium laxum	Grass or grass-like	3.3 ft	Shade-tolerant	Medium	Zone 4a
slippery elm Ulmus rubra	Tree	85 ft	Shade-tolerant	High	Zone 3a
southern red oak Quercus falcata	Tree	75 ft	Sun–part shade	Medium	Zone 6a
Spanish moss Tillandsia usneoides	Vine	—	Shade-tolerant	Medium	Zone 9b
splitbeard bluestem Andropogon ternarius	Grass or grass-like	3.9 ft	Shade-tolerant	Low	Zone 5b
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
St. Peterswort Hypericum crux-andreae	Shrub	2 ft	Sun–part shade	Medium	Zone 6b
sugarcane plumegrass Saccharum giganteum	Grass or grass-like	9.8 ft	Sun	Medium	Zone 4b
summer grape Vitis aestivalis	Vine	30 ft	Shade-tolerant	Medium	Zone 5a
swamp smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
tenangle pipewort Eriocaulon decangulare	Wildflower (forb)	2.6 ft	Sun	Medium	Zone 6b
thinfruit sedge Carex flaccosperma	Grass or grass-like	1 ft	Shade-tolerant	High	Zone 6b
trumpet honeysuckle Lonicera sempervirens	Vine	16 ft	Shade-tolerant	Medium	Zone 4a
Virginia sweetspire Itea virginica	Shrub	10 ft	Shade-tolerant	High	Zone 5a
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
white ash Fraxinus americana	Tree	90 ft	Sun	High	Zone 4a
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
white fringetree Chionanthus virginicus	Tree	25 ft	Shade-tolerant	High	Zone 4a
whitegrass Leersia virginica	Grass or grass-like	3.9 ft	Shade-tolerant	Medium	Zone 3a
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a
wreath goldenrod Solidago caesia	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4b
yaupon Ilex vomitoria	Tree	25 ft	Sun–part shade	Low	Zone 8a

Other native species recorded here 183

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.

Alabama supplejack Berchemia scandens
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
anisescented goldenrod Solidago odora
arrowhead rattlebox Crotalaria sagittalis
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded shorthusk Brachyelytrum erectum
bearded skeletongrass Gymnopogon ambiguus
bigtop lovegrass Eragrostis hirsuta
birdfoot violet Viola pedata
black edge sedge Carex nigromarginata
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
bluestem pricklypoppy Argemone albiflora
Bosc's mille graines Oldenlandia boscii
branched foldwing Dicliptera brachiata
broad beechfern Phegopteris hexagonoptera
browneyed Susan Rudbeckia triloba
bulbous woodrush Luzula bulbosa
Canadian clearweed Pilea pumila
Carolina canarygrass Phalaris caroliniana
Carolina desert-chicory Pyrrhopappus carolinianus
Carolina larkspur Delphinium carolinianum
Carolina lily Lilium michauxii
Carolina ponysfoot Dichondra carolinensis
Carolina puccoon Lithospermum caroliniense
Carolina vetch Vicia caroliniana
Carolina wild petunia Ruellia caroliniensis
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
clasping Venus' looking-glass Triodanis perfoliata
climbing dogbane Trachelospermum difforme
clustered beaksedge Rhynchospora glomerata
clustered blacksnakeroot Sanicula odorata
common carpetgrass Axonopus fissifolius
common cinquefoil Potentilla simplex
cone-cup spikerush Eleocharis tuberculosa
crippled cranefly Tipularia discolor
crossvine Bignonia capreolata
crowpoison Nothoscordum bivalve
cutleaf grapefern Botrychium dissectum
cutleaf toothwort Cardamine concatenata
cypress panicgrass Dichanthelium dichotomum
downy hawthorn Crataegus mollis
downy lobelia Lobelia puberula
downy phlox Phlox pilosa
Drummond's aster Symphyotrichum drummondii
dwarf hackberry Celtis pumila
early buttercup Ranunculus fascicularis
field pansy Viola bicolor
Florida paspalum Paspalum floridanum
fragrant sumac Rhus aromatica
globe beaksedge Rhynchospora globularis
green adder's-mouth orchid Malaxis unifolia
greenvein lady's tresses Spiranthes praecox
Guadeloupe cucumber Melothria pendula
gum bully Sideroxylon lanuginosum
hairy pinweed Lechea mucronata
hairy umbrella-sedge Fuirena squarrosa
hairy woodland brome Bromus pubescens
heartwing sorrel Rumex hastatulus
hedgehog woodrush Luzula echinata
Heller's rosette grass Dichanthelium oligosanthes
helmet flower Scutellaria integrifolia
keeled bulrush Isolepis carinata
lanceleaf buckthorn Rhamnus lanceolata
large whorled pogonia Isotria verticillata
largeseed forget-me-not Myosotis macrosperma
lax hornpod Mitreola petiolata
Leavenworth's sedge Carex leavenworthii
lemon beebalm Monarda citriodora
limestone adderstongue Ophioglossum engelmannii
limestone calamint Clinopodium arkansanum
littlehip hawthorn Crataegus spathulata
longflower beeblossom Oenothera filiformis
Louisiana sedge Carex louisianica
low spikesedge Kyllinga pumila
lyreleaf sage Salvia lyrata
maidencane Panicum hemitomon
man of the earth Ipomoea pandurata
marsh bristlegrass Setaria parviflora
marsh lady's tresses Spiranthes odorata
Maryland goldenaster Chrysopsis mariana
mayapple Podophyllum peltatum
meadow spikemoss Selaginella apoda
Michaux's croton Croton michauxii
nakedflower ticktrefoil Desmodium nudiflorum
narrowleaf paleseed Leucospora multifida
netted chainfern Woodwardia areolata
nits and lice Hypericum drummondii
Oklahoma grasspink Calopogon oklahomensis
partridgeberry Mitchella repens
pasture heliotrope Heliotropium tenellum
Pennsylvania everlasting Gamochaeta pensylvanica
perfoliate bellwort Uvularia perfoliata
Pickering's dawnflower Stylisma pickeringii
pineywoods dropseed Sporobolus junceus
pink fuzzybean Strophostyles umbellata
pink thoroughwort Fleischmannia incarnata
pitcher's stitchwort Minuartia patula
plains snakecotton Froelichia floridana
poison sumac Toxicodendron vernix
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
poverty dropseed Sporobolus vaginiflorus
prairie tea Croton monanthogynus
prairie threeawn Aristida oligantha
prickly fanpetals Sida spinosa
prostrate blue violet Viola walteri
purple cliffbrake Pellaea atropurpurea
purple false foxglove Agalinis purpurea
purple meadowparsnip Thaspium trifoliatum
queen's-delight Stillingia sylvatica
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
racemed milkwort Polygala polygama
Ravenel's rosette grass Dichanthelium ravenelii
red lovegrass Eragrostis secundiflora
redwhisker clammyweed Polanisia dodecandra
rosy sedge Carex rosea
rough dropseed Sporobolus clandestinus
rough Mexican clover Richardia scabra
roundfruit hedgehyssop Gratiola virginiana
roundleaf ragwort Packera obovata
roundleaf thoroughwort Eupatorium rotundifolium
roundseed panicgrass Dichanthelium sphaerocarpon
sensitive fern Onoclea sensibilis
shortpod draba Draba brachycarpa
sidebeak pencilflower Stylosanthes biflora
slender clubmoss Lycopodiella caroliniana
slender fimbry Fimbristylis autumnalis
slender Indiangrass Sorghastrum elliottii
slender threeseed mercury Acalypha gracilens
slimleaf panicgrass Dichanthelium linearifolium
slimspike threeawn Aristida longespica
small skullcap Scutellaria parvula
small Venus' looking-glass Triodanis biflora
smallfruit agrimony Agrimonia microcarpa
smooth Solomon's seal Polygonatum biflorum
soft goldenaster Chrysopsis pilosa
soft-hair marbleseed Onosmodium bejariense
southeastern wildrye Elymus glabriflorus
southern jointweed Polygonella americana
southern twayblade Listera australis
Spanish needles Bidens bipinnata
sparselobe grapefern Botrychium biternatum
spoonleaf purple everlasting Gamochaeta purpurea
spotted beebalm Monarda punctata
spotted sandmat Chamaesyce maculata
spring coralroot Corallorhiza wisteriana
spurred butterfly pea Centrosema virginianum
St. Andrew's cross Hypericum hypericoides
stalked wild petunia Ruellia pedunculata
tapered rosette grass Dichanthelium acuminatum
thin paspalum Paspalum setaceum
threadleaf evening primrose Oenothera linifolia
tiny bluet Houstonia pusilla
twoflower melicgrass Melica mutica
veiny pea Lathyrus venosus
Viola ×primulifolia Viola ×primulifolia
violet woodsorrel Oxalis violacea
Virginia chainfern Woodwardia virginica
Virginia dwarfdandelion Krigia virginica
Virginia pepperweed Lepidium virginicum
Virginia springbeauty Claytonia virginica
Virginia tephrosia Tephrosia virginiana
watershield Brasenia schreberi
wedgeleaf draba Draba cuneifolia
whip nutrush Scleria triglomerata
white blue-eyed grass Sisyrinchium albidum
white crownbeard Verbesina virginica
white four o'clock Mirabilis albida
whitemouth dayflower Commelina erecta
whitetinge sedge Carex albicans
widowsfrill Silene stellata
wild comfrey Cynoglossum virginianum
wiry panicgrass Panicum flexile
witchgrass Panicum capillare
woodland pinkroot Spigelia marilandica
woolly ragwort Packera tomentosa
woollysheath threeawn Aristida lanosa
yellow pimpernel Taenidia integerrima

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.

annual ragweedAmbrosia artemisiifolia

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, San Augustine County and Texas
Measure	San Augustine County	Typical county	Statewide
Native species	301	145	1,683
Garden-ready natives	118	61	656
Tree	37	—	164
Shrub	10	—	90
Wildflower (forb)	139	—	877
Grass or grass-like	84	—	431
Vine	19	—	83
Fern	12	—	38

Neighboring counties

Counties that share a ZIP code with San Augustine County.

Sabine County, TX 109 garden-ready
Shelby County, TX 86 garden-ready

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: San Augustine County (county FIPS 48405), Texas. 301 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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