Native plants · Texas

Native plants of Houston County

360 plant species are recorded as native to Texas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Houston County by USDA PLANTS. 146 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Houston County, Texas

Native species
360 Typical Texas county: 145 (median of 254 counties)
Garden-ready natives
146 Typical Texas county: 61
Share by type (all 360 native species)
Percent of the 360 native species in each growth type
Tree 8% (30)
Shrub 1% (4)
Wildflower (forb) 49% (177)
Grass or grass-like 32% (116)
Vine 6% (21)
Fern 3% (12)

Wildflowers make up the largest share of the native list (49%), followed by grasses and grass-like plants (32%).

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

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

Garden-ready natives 146

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

Garden-ready native plants of Houston County, Texas
PlantType HeightLight Water useHardy to
American beautyberry Callicarpa americana Shrub 6 ft Sun–part shade Low Zone 6b
American cupscale Sacciolepis striata Grass or grass-like 3 ft Sun Low Zone 5b
American holly Ilex opaca Tree 40 ft Shade-tolerant Medium Zone 5a
American sycamore Platanus occidentalis Tree 100 ft Sun–part shade High Zone 4a
American wisteria Wisteria frutescens Vine 50 ft Shade-tolerant Medium Zone 7a
arrowleaf tearthumb Polygonum sagittatum Vine 1 ft Sun Medium Zone 6a
autumn bluegrass Poa autumnalis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 6b
bearded beggarticks Bidens aristosa Wildflower (forb) 3.5 ft Sun–part shade High Zone 12b
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
blue mistflower Conoclinium coelestinum Wildflower (forb) 3.2 ft Shade-tolerant Medium Zone 6a
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
bristlystalked sedge Carex leptalea Grass or grass-like 1.5 ft Shade-tolerant High Zone 4a
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
Bush's sedge Carex bushii Grass or grass-like 2 ft Sun–part shade Medium Zone 5a
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low Zone 4a
calico aster Symphyotrichum lateriflorum Wildflower (forb) 4 ft Sun Medium Zone 4a
Canada goldenrod Solidago altissima Wildflower (forb) 5 ft Sun–part shade Medium Zone 4b
Canadian lousewort Pedicularis canadensis Wildflower (forb) 1.3 ft Shade-tolerant Medium Zone 3a
Canadian milkvetch Astragalus canadensis Wildflower (forb) 6 in Sun Medium Zone 3b
cardinalflower Lobelia cardinalis Wildflower (forb) 5.9 ft Shade-tolerant Low Zone 4a
Carolina buckthorn Frangula caroliniana Tree 20 ft Shade-tolerant — Zone 4b
Carolina elephantsfoot Elephantopus carolinianus Wildflower (forb) 2.7 ft Sun Medium Zone 6a
Carolina foxtail Alopecurus carolinianus Grass or grass-like 1.7 ft Sun Low Zone 3a
cat greenbrier Smilax glauca Vine 1 ft Shade-tolerant Medium Zone 6a
cinnamon fern Osmunda cinnamomea Fern 4.9 ft Shade-tolerant Medium Zone 4a
climbing hempvine Mikania scandens Vine 1 ft Shade-tolerant Medium Zone 3b
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 buttonbush Cephalanthus occidentalis Tree 15 ft Shade-tolerant High Zone 4a
common goldstar Hypoxis hirsuta Wildflower (forb) 10 in Sun–part shade Medium Zone 4a
common persimmon Diospyros virginiana Tree 55 ft Shade-tolerant Medium Zone 5a
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
coon's tail Ceratophyllum demersum Wildflower (forb) — Sun–part shade High Zone 3b
cucumberleaf sunflower Helianthus debilis Wildflower (forb) 6 in Sun Medium Zone 9b
cypress swamp sedge Carex joorii Grass or grass-like 4.5 ft Shade-tolerant High Zone 7a
delta arrowhead Sagittaria platyphylla Wildflower (forb) 3 ft Sun High Zone 6a
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
ditch stonecrop Penthorum sedoides Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 4b
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
dwarf St. Johnswort Hypericum mutilum Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 5a
eastern gamagrass Tripsacum dactyloides Grass or grass-like 5 ft Sun High Zone 5a
eastern narrowleaf sedge Carex amphibola Grass or grass-like 2 ft Shade-tolerant Medium Zone 7a
farkleberry Vaccinium arboreum Tree 28 ft Shade-tolerant Medium Zone 6a
field paspalum Paspalum laeve Grass or grass-like 2.9 ft Sun–part shade Medium Zone 6a
flowering dogwood Cornus florida Tree 30 ft Shade-tolerant Low Zone 4b
fringeleaf wild petunia Ruellia humilis Wildflower (forb) 2.6 ft Shade-tolerant Low Zone 4a
giant cane Arundinaria gigantea Shrub 25 ft Sun Medium Zone 5a
giant cutgrass Zizaniopsis miliacea Grass or grass-like 9 ft Sun High Zone 8b
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
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
great coneflower Rudbeckia maxima Wildflower (forb) 9.8 ft Sun High Zone 5a
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 hawthorn Crataegus viridis Tree 30 ft Sun High Zone 5a
groundnut Apios americana Vine 1 ft Shade-tolerant Medium Zone 5a
hairy lespedeza Lespedeza hirta Wildflower (forb) 6 ft Sun Low Zone 6a
hazel alder Alnus serrulata Tree 30 ft Sun High Zone 5a
honey mesquite Prosopis glandulosa Tree 50 ft Sun Low Zone 6a
hop sedge Carex lupulina Grass or grass-like 4.3 ft Sun–part shade Medium Zone 3b
hophornbeam Ostrya virginiana Tree 45 ft Shade-tolerant Low Zone 3b
horsetail paspalum Paspalum fluitans Grass or grass-like 2.5 ft Sun–part shade High Zone 5a
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
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Jack in the pulpit Arisaema triphyllum Wildflower (forb) 1.5 ft Shade-tolerant High Zone 5b
jointed spikesedge Eleocharis equisetoides Grass or grass-like 3.2 ft Sun High Zone 4a
lanceleaf greenbrier Smilax smallii Vine 1 ft Shade-tolerant Medium Zone 6b
lanceleaf tickseed Coreopsis lanceolata Wildflower (forb) 2 ft Sun Medium Zone 6b
late purple aster Symphyotrichum patens Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 3b
lesser creeping rush Juncus repens Grass or grass-like 6.8 ft Sun High Zone 8b
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
loblolly pine Pinus taeda Tree 100 ft Sun High Zone 6b
longleaf woodoats Chasmanthium sessiliflorum Grass or grass-like 5 ft Sun Medium Zone 7a
longspike tridens Tridens strictus Grass or grass-like 4.9 ft Sun–part shade Low Zone 2a
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
Mississippi buttercup Ranunculus laxicaulis Wildflower (forb) 1.2 ft Sun–part shade High Zone 6b
mockernut hickory Carya tomentosa Tree 85 ft Sun–part shade Medium Zone 4a
needleleaf rosette grass Dichanthelium aciculare Grass or grass-like 1.6 ft Sun–part shade Low Zone 7b
needlepod rush Juncus scirpoides Grass or grass-like 3 ft Shade-tolerant High Zone 7a
nimblewill Muhlenbergia schreberi Grass or grass-like 3.2 ft Shade-tolerant Low Zone 4a
nodding lady's tresses Spiranthes cernua Wildflower (forb) 1.5 ft Sun High Zone 3b
northern spiderlily Hymenocallis occidentalis Wildflower (forb) 2 ft Sun–part shade High Zone 7a
panicledleaf ticktrefoil Desmodium paniculatum Wildflower (forb) 3 ft Sun–part shade Low Zone 6a
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
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
prairie wedgescale Sphenopholis obtusata Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3a
purple lovegrass Eragrostis spectabilis Grass or grass-like 11 in Sun Low Zone 3a
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
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
red mulberry Morus rubra Tree 70 ft Shade-tolerant Medium Zone 4a
redroot flatsedge Cyperus erythrorhizos Grass or grass-like 2.5 ft Sun Medium Zone 11a
river birch Betula nigra Tree 70 ft Sun High Zone 4a
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
saw greenbrier Smilax bona-nox Vine 4 ft Shade-tolerant Medium Zone 5b
sawtooth sunflower Helianthus grosseserratus Wildflower (forb) 5 ft Sun Medium Zone 3a
shagbark hickory Carya ovata Tree 75 ft Sun–part shade Medium Zone 3a
sharpwing monkeyflower Mimulus alatus Wildflower (forb) 2.3 ft Shade-tolerant High Zone 5a
shortbeard plumegrass Saccharum brevibarbe Grass or grass-like 6.5 ft Sun Medium Zone 6b
shortbristle horned beaksedge Rhynchospora corniculata Grass or grass-like 6.6 ft Sun Medium Zone 6a
shortleaf pine Pinus echinata Tree 100 ft Sun Medium Zone 5b
slender woodoats Chasmanthium laxum Grass or grass-like 3.3 ft Shade-tolerant Medium Zone 4a
smallspike false nettle Boehmeria cylindrica Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
southern waternymph Najas guadalupensis Wildflower (forb) 1 ft Sun High Zone 3b
splitbeard bluestem Andropogon ternarius Grass or grass-like 3.9 ft Shade-tolerant Low Zone 5b
spring spiderlily Hymenocallis liriosme Wildflower (forb) 3 ft Sun Medium Zone 7b
stiff marsh bedstraw Galium tinctorium Wildflower (forb) 10 in Shade-tolerant High Zone 4a
strawcolored flatsedge Cyperus strigosus Grass or grass-like 3.2 ft Sun Medium Zone 4a
sugarcane plumegrass Saccharum giganteum Grass or grass-like 9.8 ft Sun Medium Zone 4b
swamp azalea Rhododendron viscosum Shrub 16 ft Shade-tolerant High Zone 5b
swamp sunflower Helianthus angustifolius Wildflower (forb) 5.6 ft Sun–part shade Medium Zone 4b
sweetscent Pluchea odorata Wildflower (forb) 4.9 ft Sun Medium Zone 6a
taperleaf water horehound Lycopus rubellus Wildflower (forb) 1.6 ft Shade-tolerant High Zone 5a
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
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
trumpet honeysuckle Lonicera sempervirens Vine 16 ft Shade-tolerant Medium Zone 4a
trumpetweed Eutrochium fistulosum Wildflower (forb) 6 ft Sun–part shade High Zone 4b
upland bentgrass Agrostis perennans Grass or grass-like 3.5 ft Sun–part shade High Zone 4a
variable panicgrass Dichanthelium commutatum Grass or grass-like 4.9 ft Sun–part shade Low Zone 4b
velvet panicum Dichanthelium scoparium Grass or grass-like 4.3 ft Shade-tolerant Medium Zone 3b
Virginia threeseed mercury Acalypha virginica Wildflower (forb) 3 ft Sun–part shade Medium Zone 10b
Virginia wildrye Elymus virginicus Grass or grass-like 2.5 ft Shade-tolerant Medium Zone 4b
waterthread pondweed Potamogeton diversifolius Wildflower (forb) 3.2 ft Sun High Zone 3b
wax myrtle Morella cerifera Tree 10 ft Sun High Zone 7a
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
whiteroot rush Juncus brachycarpus Grass or grass-like 3 ft Sun–part shade Medium Zone 5a
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
winged sumac Rhus copallinum Tree 8 ft Sun Low Zone 4b
wingleaf primrose-willow Ludwigia decurrens Wildflower (forb) 4.5 ft Shade-tolerant High Zone 8a
winter bentgrass Agrostis hyemalis Grass or grass-like 3.5 ft Sun–part shade High Zone 4a
woolgrass Scirpus cyperinus Grass or grass-like 4.9 ft Sun–part shade High Zone 4a
yaupon Ilex vomitoria Tree 25 ft Sun–part shade Low Zone 8a

Other native species recorded here 214

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 burnweed Erechtites hieraciifolius
  • American hogpeanut Amphicarpaea bracteata
  • American white waterlily Nymphaea odorata
  • anglestem primrose-willow Ludwigia leptocarpa
  • arrowfeather threeawn Aristida purpurascens
  • arrowhead rattlebox Crotalaria sagittalis
  • Atlantic pigeonwings Clitoria mariana
  • Baldwin's flatsedge Cyperus croceus
  • beaked cornsalad Valerianella radiata
  • beaked panicgrass Panicum anceps
  • bearded skeletongrass Gymnopogon ambiguus
  • big carpetgrass Axonopus furcatus
  • bigtop lovegrass Eragrostis hirsuta
  • black edge sedge Carex nigromarginata
  • blackfoot quillwort Isoetes melanopoda
  • blackseed speargrass Piptochaetium avenaceum
  • bluntlobe cliff fern Woodsia obtusa
  • Bosc's panicgrass Dichanthelium boscii
  • bristly flatsedge Cyperus hystricinus
  • brownish beaksedge Rhynchospora capitellata
  • Carolina desert-chicory Pyrrhopappus carolinianus
  • Carolina geranium Geranium carolinianum
  • Carolina ponysfoot Dichondra carolinensis
  • Carolina puccoon Lithospermum caroliniense
  • chaffweed Anagallis minima
  • Cherokee sedge Carex cherokeensis
  • chinquapin Castanea pumila
  • Christmas fern Polystichum acrostichoides
  • clasping milkweed Asclepias amplexicaulis
  • clasping Venus' looking-glass Triodanis perfoliata
  • climbing dogbane Trachelospermum difforme
  • clustered mille graines Oldenlandia uniflora
  • common boneset Eupatorium perfoliatum
  • common carpetgrass Axonopus fissifolius
  • cone-cup spikerush Eleocharis tuberculosa
  • creeping eryngo Eryngium prostratum
  • crossvine Bignonia capreolata
  • cutleaf evening primrose Oenothera laciniata
  • cypress panicgrass Dichanthelium dichotomum
  • diamond-flowers Stenaria nigricans
  • downy lobelia Lobelia puberula
  • downy phlox Phlox pilosa
  • downy ragged goldenrod Solidago petiolaris
  • dwarf sundew Drosera brevifolia
  • ebony spleenwort Asplenium platyneuron
  • Elliott's bentgrass Agrostis elliottiana
  • Elliott's bluestem Andropogon gyrans
  • elmleaf goldenrod Solidago ulmifolia
  • erect centella Centella erecta
  • fall witchgrass Digitaria cognata
  • false boneset Brickellia eupatorioides
  • false hop sedge Carex lupuliformis
  • field lovegrass Eragrostis elliottii
  • floating marshpennywort Hydrocotyle ranunculoides
  • flowering spurge Euphorbia corollata
  • globe beaksedge Rhynchospora globularis
  • globe flatsedge Cyperus echinatus
  • golden zizia Zizia aurea
  • grassy arrowhead Sagittaria graminea
  • Great Plains flatsedge Cyperus lupulinus
  • greater marsh St. Johnswort Triadenum walteri
  • green adder's-mouth orchid Malaxis unifolia
  • green dragon Arisaema dracontium
  • hairy bedstraw Galium pilosum
  • hairy clustervine Jacquemontia tamnifolia
  • hairy pinweed Lechea mucronata
  • hairy small-leaf ticktrefoil Desmodium ciliare
  • hairy sunflower Helianthus hirsutus
  • hairy umbrella-sedge Fuirena squarrosa
  • hairyfruit chervil Chaerophyllum tainturieri
  • hairyjoint meadowparsnip Thaspium barbinode
  • handsome Harry Rhexia virginica
  • Harvey's beaksedge Rhynchospora harveyi
  • Heller's rosette grass Dichanthelium oligosanthes
  • hirsute sedge Carex complanata
  • hoary ticktrefoil Desmodium canescens
  • hogwort Croton capitatus
  • Java-bean Senna obtusifolia
  • keeled bulrush Isolepis carinata
  • kidneyshape sedge Carex reniformis
  • kiss me quick Portulaca pilosa
  • lanceleaf blanketflower Gaillardia aestivalis
  • largeflower tickseed Coreopsis grandiflora
  • lateflowering thoroughwort Eupatorium serotinum
  • limestone adderstongue Ophioglossum engelmannii
  • little lady's tresses Spiranthes tuberosa
  • littlehead nutrush Scleria oligantha
  • lizard's tail Saururus cernuus
  • Long's sedge Carex longii
  • longbeak beaksedge Rhynchospora scirpoides
  • Louisiana vetch Vicia ludoviciana
  • low spearwort Ranunculus pusillus
  • lowland rotala Rotala ramosior
  • lyreleaf sage Salvia lyrata
  • man of the earth Ipomoea pandurata
  • marsh mermaidweed Proserpinaca palustris
  • Maryland meadowbeauty Rhexia mariana
  • meadow garlic Allium canadense
  • meadow spikemoss Selaginella apoda
  • Michaux's croton Croton michauxii
  • Missouri violet Viola missouriensis
  • mudbabies Echinodorus tenellus
  • Muhlenberg's sedge Carex muehlenbergii
  • narrow plumegrass Saccharum baldwinii
  • narrowleaf pinweed Lechea tenuifolia
  • netted chainfern Woodwardia areolata
  • netted nutrush Scleria reticularis
  • nits and lice Hypericum drummondii
  • Nuttall's prairie parsley Polytaenia nuttallii
  • Nuttall's sensitive-briar Mimosa nuttallii
  • October lady's tresses Spiranthes ovalis
  • openflower rosette grass Dichanthelium laxiflorum
  • Pickering's dawnflower Stylisma pickeringii
  • pineywoods dropseed Sporobolus junceus
  • pink sundew Drosera capillaris
  • pitcher's stitchwort Minuartia patula
  • pitchfork crowngrass Paspalum bifidum
  • plains snakecotton Froelichia floridana
  • Plukenet's flatsedge Cyperus plukenetii
  • poorjoe Diodia teres
  • potato dwarfdandelion Krigia dandelion
  • prairie sandmat Chamaesyce missurica
  • prairie tea Croton monanthogynus
  • prairie threeawn Aristida oligantha
  • purple false foxglove Agalinis purpurea
  • queen's-delight Stillingia sylvatica
  • racemed milkwort Polygala polygama
  • Ravenel's rosette grass Dichanthelium ravenelii
  • red lovegrass Eragrostis secundiflora
  • red milkweed Asclepias rubra
  • reflexed sedge Carex retroflexa
  • rice button aster Symphyotrichum dumosum
  • Richard's yelloweyed grass Xyris jupicai
  • robin's plantain Erigeron pulchellus
  • rose mock vervain Glandularia canadensis
  • rosemallow Hibiscus lasiocarpos
  • rough false pennyroyal Hedeoma hispida
  • roundfruit hedgehyssop Gratiola virginiana
  • roundleaf thoroughwort Eupatorium rotundifolium
  • roundseed panicgrass Dichanthelium sphaerocarpon
  • sand bittercress Cardamine parviflora
  • sand spikerush Eleocharis montevidensis
  • seedbox Ludwigia alternifolia
  • sensitive fern Onoclea sensibilis
  • sessileleaf ticktrefoil Desmodium sessilifolium
  • sharpscale sedge Carex oxylepis
  • sidebeak pencilflower Stylosanthes biflora
  • silky prairie clover Dalea villosa
  • silver plumegrass Saccharum alopecuroides
  • sixweeks fescue Vulpia octoflora
  • skyblue aster Symphyotrichum oolentangiense
  • slender fimbry Fimbristylis autumnalis
  • slender Indiangrass Sorghastrum elliottii
  • slender threeseed mercury Acalypha gracilens
  • slender woodland sedge Carex digitalis
  • slender yellow woodsorrel Oxalis dillenii
  • slickseed fuzzybean Strophostyles leiosperma
  • slimflower scurfpea Psoralidium tenuiflorum
  • slimpod rush Juncus diffusissimus
  • slimspike threeawn Aristida longespica
  • small skullcap Scutellaria parvula
  • smooth ticktrefoil Desmodium laevigatum
  • snakemouth orchid Pogonia ophioglossoides
  • sneezeweed Helenium amarum
  • soft goldenaster Chrysopsis pilosa
  • southeastern wildrye Elymus glabriflorus
  • southern bladderwort Utricularia juncea
  • southern bog clubmoss Lycopodiella appressa
  • southern dewberry Rubus trivialis
  • spiked crested coralroot Hexalectris spicata
  • spotted beebalm Monarda punctata
  • spring coralroot Corallorhiza wisteriana
  • spring forget-me-not Myosotis verna
  • spring lady's tresses Spiranthes vernalis
  • spurred butterfly pea Centrosema virginianum
  • St. Andrew's cross Hypericum hypericoides
  • stalked wild petunia Ruellia pedunculata
  • stiff cowbane Oxypolis rigidior
  • stiff ticktrefoil Desmodium obtusum
  • stinking camphorweed Pluchea foetida
  • stout rush Juncus nodatus
  • tall lespedeza Lespedeza stuevei
  • tapered rosette grass Dichanthelium acuminatum
  • Texas star Sabatia campestris
  • Texas vervain Verbena halei
  • thin paspalum Paspalum setaceum
  • threadleaf evening primrose Oenothera linifolia
  • three-lobe violet Viola triloba
  • trailing lespedeza Lespedeza procumbens
  • tuberous grasspink Calopogon tuberosus
  • tuberous stoneseed Lithospermum tuberosum
  • twisted spikerush Eleocharis tortilis
  • twoflower melicgrass Melica mutica
  • velvetleaf ticktrefoil Desmodium viridiflorum
  • Viola ×primulifolia Viola ×primulifolia
  • violet woodsorrel Oxalis violacea
  • Virginia chainfern Woodwardia virginica
  • Virginia pepperweed Lepidium virginicum
  • Virginia snakeroot Aristolochia serpentaria
  • Virginia tephrosia Tephrosia virginiana
  • warty panicgrass Panicum verrucosum
  • whip nutrush Scleria triglomerata
  • white blue-eyed grass Sisyrinchium albidum
  • white crownbeard Verbesina virginica
  • whitemouth dayflower Commelina erecta
  • whitestar Ipomoea lacunosa
  • whitetinge sedge Carex albicans
  • whorled marshpennywort Hydrocotyle verticillata
  • whorled milkwort Polygala verticillata
  • wild yam Dioscorea villosa
  • woodland lettuce Lactuca floridana
  • woollysheath threeawn Aristida lanosa
  • yellow spikerush Eleocharis flavescens
  • yellowseed false pimpernel Lindernia dubia

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, Houston County and Texas
MeasureHouston CountyTypical countyStatewide
Native species 360 145 1,683
Garden-ready natives 146 61 656
Tree 30 — 164
Shrub 4 — 90
Wildflower (forb) 177 — 877
Grass or grass-like 116 — 431
Vine 21 — 83
Fern 12 — 38

Neighboring counties

Counties that share a ZIP code with Houston 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
Houston County (county FIPS 48225), Texas. 360 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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