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Native plants · Louisiana

Native plants of West Baton Rouge Parish

191 plant species are recorded as native to Louisiana in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in West Baton Rouge Parish by USDA PLANTS. 83 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

West Baton Rouge Parish, Louisiana

Native species
191 Typical Louisiana county: 587 (median of 64 counties)
Garden-ready natives
83 Typical Louisiana county: 271
Share by type (all 191 native species)
Percent of the 191 native species in each growth type
Tree 8% (15)
Shrub 1% (2)
Wildflower (forb) 55% (105)
Grass or grass-like 24% (46)
Vine 12% (22)
Fern <1% (1)

Wildflowers make up the largest share of the native list (55%), followed by grasses and grass-like plants (24%).

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 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 83

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

Garden-ready native plants of West Baton Rouge Parish, Louisiana
PlantType HeightLight Water useHardy to
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
American sycamore Platanus occidentalis Tree 100 ft Sun–part shade High Zone 4a
blue mistflower Conoclinium coelestinum Wildflower (forb) 3.2 ft Shade-tolerant Medium Zone 6a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
broadleaf signalgrass Urochloa platyphylla Grass or grass-like 3 ft Sun Medium Zone 9a
bushy bluestem Andropogon glomeratus Grass or grass-like 6.3 ft Sun High Zone 5a
butterweed Packera glabella Wildflower (forb) 3.2 ft Sun High Zone 10b
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 horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
Carolina foxtail Alopecurus carolinianus Grass or grass-like 1.7 ft Sun Low Zone 3a
catbird grape Vitis palmata Vine 30 ft Sun–part shade Medium Zone 6a
catchfly grass Leersia lenticularis Grass or grass-like 2.6 ft Sun Medium Zone 4a
clasping coneflower Dracopis amplexicaulis Wildflower (forb) 2 ft Sun High Zone 10b
climbing hempvine Mikania scandens Vine 1 ft Shade-tolerant Medium Zone 3b
coast cockspur grass Echinochloa walteri Grass or grass-like 6.5 ft Sun High Zone 10b
common rush Juncus effusus Grass or grass-like 6.6 ft Sun Medium Zone 3b
coon's tail Ceratophyllum demersum Wildflower (forb) — Sun–part shade High Zone 3b
copper iris Iris fulva Wildflower (forb) 3.3 ft Shade-tolerant High Zone 5a
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
delta arrowhead Sagittaria platyphylla Wildflower (forb) 3 ft Sun High Zone 6a
ditch stonecrop Penthorum sedoides Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 4b
eastern swampprivet Forestiera acuminata Tree 33 ft Shade-tolerant High Zone 5b
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
false daisy Eclipta prostrata Wildflower (forb) 3.2 ft Sun–part shade Medium Zone 10b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
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
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
graybark grape Vitis cinerea Vine 50 ft Sun–part shade Medium Zone 6b
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
heartleaf peppervine Ampelopsis cordata Vine 2 ft Shade-tolerant Medium Zone 6b
honeylocust Gleditsia triacanthos Tree 70 ft Sun Medium Zone 3b
horsetail paspalum Paspalum fluitans Grass or grass-like 2.5 ft Sun–part shade High Zone 5a
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
longtom Paspalum denticulatum Grass or grass-like 2 ft Sun–part shade High Zone 8b
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
marsh flatsedge Cyperus pseudovegetus Grass or grass-like 2.5 ft Sun High Zone 8a
nimblewill Muhlenbergia schreberi Grass or grass-like 3.2 ft Shade-tolerant Low Zone 4a
northern spicebush Lindera benzoin Tree 12 ft Sun–part shade Medium Zone 5a
orangegrass Hypericum gentianoides Wildflower (forb) 2 ft Sun–part shade Low Zone 12a
partridge pea Chamaecrista fasciculata Wildflower (forb) 2.4 ft Shade-tolerant Medium Zone 7a
Pennsylvania smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
peppervine Nekemias arborea Vine 1 in Shade-tolerant Medium Zone 6a
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
possumhaw Ilex decidua Tree 33 ft Shade-tolerant Medium Zone 5b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
prairie wedgescale Sphenopholis obtusata Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3a
ravenfoot sedge Carex crus-corvi Grass or grass-like 3 ft Sun–part shade Medium Zone 4b
red maple Acer rubrum Tree 68 ft Sun–part shade High Zone 2b
redroot flatsedge Cyperus erythrorhizos Grass or grass-like 2.5 ft Sun Medium Zone 11a
redtop panicgrass Panicum rigidulum Grass or grass-like 3.3 ft Sun High Zone 4a
rice cutgrass Leersia oryzoides Grass or grass-like 4.9 ft Sun High Zone 4a
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
roughfruit amaranth Amaranthus tuberculatus Wildflower (forb) 6.6 ft Sun High Zone 4a
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
sandbar willow Salix interior Tree 30 ft Sun — Zone 1a
saw greenbrier Smilax bona-nox Vine 4 ft Shade-tolerant Medium Zone 5b
shortbristle horned beaksedge Rhynchospora corniculata Grass or grass-like 6.6 ft Sun Medium Zone 6a
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 catalpa Catalpa bignonioides Tree 66 ft Sun–part shade 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
swamp smartweed Polygonum hydropiperoides Wildflower (forb) — Sun Medium Zone 10b
sweetgum Liquidambar styraciflua Tree 100 ft Sun High Zone 5a
teal lovegrass Eragrostis hypnoides Grass or grass-like 4 in Sun High Zone 3b
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
trumpet creeper Campsis radicans Vine 2 ft Sun Low Zone 6a
valley redstem Ammannia coccinea Wildflower (forb) 1.6 ft Sun Medium Zone 3b
variable panicgrass Dichanthelium commutatum Grass or grass-like 4.9 ft Sun–part shade Low Zone 4b
Virginia creeper Parthenocissus quinquefolia Vine 1 ft Sun–part shade Low Zone 4b
Virginia sweetspire Itea virginica Shrub 10 ft Shade-tolerant High Zone 5a
Virginia wildrye Elymus virginicus Grass or grass-like 2.5 ft Shade-tolerant Medium Zone 4b
water hickory Carya aquatica Tree 85 ft Sun–part shade Medium Zone 5b
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
yellow passionflower Passiflora lutea Vine 16 ft Shade-tolerant Low Zone 5a

Other native species recorded here 108

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
  • Amazon sprangletop Leptochloa panicoides
  • American hogpeanut Amphicarpaea bracteata
  • anglestem primrose-willow Ludwigia leptocarpa
  • angularfruit milkvine Matelea gonocarpos
  • annual marsh elder Iva annua
  • annual ragweed Ambrosia artemisiifolia
  • aquatic milkweed Asclepias perennis
  • axilflower Mecardonia acuminata
  • beaked cornsalad Valerianella radiata
  • bearded flatsedge Cyperus squarrosus
  • bigpod sesbania Sesbania herbacea
  • bluejacket Tradescantia ohiensis
  • bog yellowcress Rorippa palustris
  • buffalobur nightshade Solanum rostratum
  • Canada toadflax Nuttallanthus canadensis
  • Canadian blacksnakeroot Sanicula canadensis
  • Canadian clearweed Pilea pumila
  • Canadian honewort Cryptotaenia canadensis
  • Carolina canarygrass Phalaris caroliniana
  • Carolina clover Trifolium carolinianum
  • Carolina coralbead Cocculus carolinus
  • Carolina geranium Geranium carolinianum
  • Carolina horsenettle Solanum carolinense
  • Carolina ponysfoot Dichondra carolinensis
  • Cherokee sedge Carex cherokeensis
  • clasping Venus' looking-glass Triodanis perfoliata
  • common carpetgrass Axonopus fissifolius
  • common threeseed mercury Acalypha rhomboidea
  • creeping burhead Echinodorus cordifolius
  • crowpoison Nothoscordum bivalve
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf evening primrose Oenothera laciniata
  • cutleaf groundcherry Physalis angulata
  • cylindricfruit primrose-willow Ludwigia glandulosa
  • cypress panicgrass Dichanthelium dichotomum
  • desert horsepurslane Trianthema portulacastrum
  • eastern poison ivy Toxicodendron radicans
  • ebony spleenwort Asplenium platyneuron
  • erect spiderling Boerhavia erecta
  • eyebane Chamaesyce nutans
  • feather fingergrass Chloris virgata
  • giant ironweed Vernonia gigantea
  • great ragweed Ambrosia trifida
  • greater marsh St. Johnswort Triadenum walteri
  • green carpetweed Mollugo verticillata
  • Guadeloupe cucumber Melothria pendula
  • hairy clustervine Jacquemontia tamnifolia
  • hairyfruit chervil Chaerophyllum tainturieri
  • hairyseed paspalum Paspalum pubiflorum
  • heartleaf groundcherry Physalis cordata
  • heartleaf nettle Urtica chamaedryoides
  • herbwilliam Ptilimnium capillaceum
  • honeyvine Cynanchum laeve
  • jumpseed Polygonum virginianum
  • juniper leaf Polypremum procumbens
  • lanceleaf fogfruit Phyla lanceolata
  • Leavenworth's sedge Carex leavenworthii
  • lizard's tail Saururus cernuus
  • Louisiana vetch Vicia ludoviciana
  • marsh bristlegrass Setaria parviflora
  • marsh lady's tresses Spiranthes odorata
  • meadow garlic Allium canadense
  • mucronate sprangletop Leptochloa panicea
  • narrowleaf paleseed Leucospora multifida
  • neckweed Veronica peregrina
  • oneseed bur cucumber Sicyos angulatus
  • Pennsylvania everlasting Gamochaeta pensylvanica
  • pineland threeseed mercury Acalypha ostryifolia
  • pink thoroughwort Fleischmannia incarnata
  • pinkladies Oenothera speciosa
  • pitseed goosefoot Chenopodium berlandieri
  • poorjoe Diodia teres
  • prairie spiderwort Tradescantia occidentalis
  • prairie tea Croton monanthogynus
  • prickly fanpetals Sida spinosa
  • prostrate sandmat Chamaesyce prostrata
  • redwhisker clammyweed Polanisia dodecandra
  • rice button aster Symphyotrichum dumosum
  • rough barnyardgrass Echinochloa muricata
  • roundseed panicgrass Dichanthelium sphaerocarpon
  • sleepy silene Silene antirrhina
  • slender fimbry Fimbristylis autumnalis
  • slender threeseed mercury Acalypha gracilens
  • slim amaranth Amaranthus hybridus
  • small pondweed Potamogeton pusillus
  • smallflower baby blue eyes Nemophila aphylla
  • sneezeweed Helenium amarum
  • spoonleaf purple everlasting Gamochaeta purpurea
  • spotted sandmat Chamaesyce maculata
  • spreading sandmat Chamaesyce humistrata
  • swamp dock Rumex verticillatus
  • swamp leather flower Clematis crispa
  • tall thistle Cirsium altissimum
  • Texas vervain Verbena halei
  • tiny bluet Houstonia pusilla
  • toothed spurge Euphorbia dentata
  • tufted lovegrass Eragrostis pectinacea
  • Vahl's fimbry Fimbristylis vahlii
  • Virginia buttonweed Diodia virginiana
  • Virginia pepperweed Lepidium virginicum
  • Virginia plantain Plantago virginica
  • warty spurge Euphorbia spathulata
  • whitestar Ipomoea lacunosa
  • winged lythrum Lythrum alatum
  • witchgrass Panicum capillare
  • yellowseed false pimpernel Lindernia dubia
  • zigzag iris Iris brevicaulis
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.

  • Mexican teaDysphania ambrosioides

Compared with Louisiana

The typical county is the median of the 64 Louisiana 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, West Baton Rouge Parish and Louisiana
MeasureWest Baton Rouge ParishTypical countyStatewide
Native species 191 587 1,420
Garden-ready natives 83 271 520
Tree 15 — 151
Shrub 2 — 54
Wildflower (forb) 105 — 761
Grass or grass-like 46 — 342
Vine 22 — 74
Fern 1 — 38

Neighboring counties

Counties that share a ZIP code with West Baton Rouge Parish.

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
West Baton Rouge Parish (county FIPS 22121), Louisiana. 191 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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