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Native plants · Louisiana

Native plants of Assumption Parish

206 plant species are recorded as native to Louisiana in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Assumption Parish by USDA PLANTS. 112 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Assumption Parish, Louisiana

Native species
206 Typical Louisiana county: 587 (median of 64 counties)
Garden-ready natives
112 Typical Louisiana county: 271
Share by type (all 206 native species)
Percent of the 206 native species in each growth type
Tree 15% (30)
Shrub 2% (4)
Wildflower (forb) 51% (105)
Grass or grass-like 21% (43)
Vine 9% (19)
Fern 2% (5)

Wildflowers make up the largest share of the native list (51%), followed by grasses and grass-like plants (21%).

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 9a to 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 112

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

Garden-ready native plants of Assumption Parish, Louisiana
PlantType HeightLight Water useHardy to
American beautyberry Callicarpa americana Shrub 6 ft Sun–part shade Low Zone 6b
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
American pokeweed Phytolacca americana Wildflower (forb) 7.3 ft Shade-tolerant Medium Zone 4a
American snowbell Styrax americanus Tree 10 ft Sun–part shade — Zone 5b
American spongeplant Limnobium spongia Wildflower (forb) 6 in Sun High Zone 5a
American sycamore Platanus occidentalis Tree 100 ft Sun–part shade High Zone 4a
bald cypress Taxodium distichum Tree 130 ft Sun–part shade High Zone 5b
black cherry Prunus serotina Tree 80 ft Sun Medium Zone 4a
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
blunt broom sedge Carex tribuloides Grass or grass-like 3 ft Shade-tolerant Medium 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
broadleaf arrowhead Sagittaria latifolia Wildflower (forb) 4.9 ft Sun High Zone 4a
broadleaf signalgrass Urochloa platyphylla Grass or grass-like 3 ft Sun Medium Zone 9a
buckthorn bully Sideroxylon lycioides Tree 9.8 ft Shade-tolerant Low Zone 4b
butterweed Packera glabella Wildflower (forb) 3.2 ft Sun High Zone 10b
Canada goldenrod Solidago altissima Wildflower (forb) 5 ft Sun–part shade Medium Zone 4b
cardinalflower Lobelia cardinalis Wildflower (forb) 5.9 ft Shade-tolerant Low Zone 4a
Carolina ash Fraxinus caroliniana Tree 39 ft Shade-tolerant High Zone 7b
Carolina elephantsfoot Elephantopus carolinianus Wildflower (forb) 2.7 ft Sun Medium Zone 6a
Carolina fanwort Cabomba caroliniana Wildflower (forb) — Sun–part shade High Zone 5a
Carolina foxtail Alopecurus carolinianus Grass or grass-like 1.7 ft Sun Low Zone 3a
clasping coneflower Dracopis amplexicaulis Wildflower (forb) 2 ft Sun High Zone 10b
coast cockspur grass Echinochloa walteri Grass or grass-like 6.5 ft Sun High Zone 10b
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 persimmon Diospyros virginiana Tree 55 ft Shade-tolerant Medium Zone 5a
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
devil's darning needles Clematis virginiana Vine 15 ft Sun–part shade Medium Zone 3b
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
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
field paspalum Paspalum laeve Grass or grass-like 2.9 ft Sun–part shade Medium Zone 6a
forked rush Juncus dichotomus Grass or grass-like 2.9 ft Sun–part shade Medium Zone 8b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
fragrant flatsedge Cyperus odoratus Grass or grass-like 2 ft Sun Medium Zone 11b
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
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
green hawthorn Crataegus viridis Tree 30 ft Sun High Zone 5a
halberdleaf rosemallow Hibiscus laevis Wildflower (forb) 8 ft Sun–part shade High Zone 6a
hop sedge Carex lupulina Grass or grass-like 4.3 ft Sun–part shade Medium Zone 3b
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
laurel oak Quercus laurifolia Tree 70 ft Shade-tolerant Medium Zone 7a
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
live oak Quercus virginiana Tree 50 ft Sun–part shade Medium Zone 8a
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
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
muscadine Vitis rotundifolia Vine 30 ft Sun–part shade Medium Zone 5b
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
Nuttall oak Quercus texana Tree 110 ft Sun Medium Zone 5b
panicledleaf ticktrefoil Desmodium paniculatum Wildflower (forb) 3 ft Sun–part shade Low Zone 6a
pecan Carya illinoinensis Tree 120 ft Sun High Zone 5a
Pennsylvania bittercress Cardamine pensylvanica Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 4a
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
pickerelweed Pontederia cordata Wildflower (forb) 3.2 ft Sun High Zone 5a
possumhaw Ilex decidua Tree 33 ft Shade-tolerant Medium Zone 5b
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie wedgescale Sphenopholis obtusata Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3a
pumpkin ash Fraxinus profunda Tree 120 ft Sun–part shade High Zone 5a
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
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
saltmeadow cordgrass Spartina patens Grass or grass-like 2 ft Sun High Zone 7a
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
saw greenbrier Smilax bona-nox Vine 4 ft Shade-tolerant Medium Zone 5b
sharpwing monkeyflower Mimulus alatus Wildflower (forb) 2.3 ft Shade-tolerant High Zone 5a
shortbristle horned beaksedge Rhynchospora corniculata Grass or grass-like 6.6 ft Sun Medium Zone 6a
slippery elm Ulmus rubra Tree 85 ft Shade-tolerant High Zone 3a
smallspike false nettle Boehmeria cylindrica Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
smooth beggartick Bidens laevis Wildflower (forb) 3.3 ft Sun–part shade High Zone 12b
smooth hedgenettle Stachys tenuifolia Wildflower (forb) 25 ft Shade-tolerant High Zone 4a
southern catalpa Catalpa bignonioides Tree 66 ft Sun–part shade Low Zone 5b
southern waternymph Najas guadalupensis Wildflower (forb) 1 ft Sun High Zone 3b
St. Augustine grass Stenotaphrum secundatum Grass or grass-like 11 in Shade-tolerant High Zone 7b
stiff dogwood Cornus foemina Tree 16 ft Sun–part shade Medium Zone 7a
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
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
sugarcane plumegrass Saccharum giganteum Grass or grass-like 9.8 ft Sun Medium Zone 4b
swamp smartweed Polygonum hydropiperoides Wildflower (forb) — Sun Medium Zone 10b
sweetgum Liquidambar styraciflua Tree 100 ft Sun High Zone 5a
taperleaf water horehound Lycopus rubellus Wildflower (forb) 1.6 ft Shade-tolerant High Zone 5a
trumpet creeper Campsis radicans Vine 2 ft Sun Low Zone 6a
turkey tangle fogfruit Phyla nodiflora Wildflower (forb) 2 in Sun–part shade Low Zone 5b
valdivia duckweed Lemna valdiviana Wildflower (forb) 1 in Sun High Zone 4a
variable panicgrass Dichanthelium commutatum Grass or grass-like 4.9 ft Sun–part shade Low Zone 4b
Virginia dayflower Commelina virginica Wildflower (forb) 3.5 ft Shade-tolerant Medium Zone 5b
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 oak Quercus nigra Tree 90 ft Sun High Zone 5a
wax myrtle Morella cerifera Tree 10 ft Sun High Zone 7a
white avens Geum canadense Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
white doll's daisy Boltonia asteroides Wildflower (forb) 8 ft Sun–part shade Medium Zone 3b
whitegrass Leersia virginica Grass or grass-like 3.9 ft Shade-tolerant Medium Zone 3a
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 94

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 buckwheat vine Brunnichia ovata
  • American burnweed Erechtites hieraciifolius
  • American featherfoil Hottonia inflata
  • American wild carrot Daucus pusillus
  • anglestem primrose-willow Ludwigia leptocarpa
  • angularfruit milkvine Matelea gonocarpos
  • annual fimbry Fimbristylis annua
  • annual marsh elder Iva annua
  • annual ragweed Ambrosia artemisiifolia
  • aquatic milkweed Asclepias perennis
  • bigpod sesbania Sesbania herbacea
  • bluejacket Tradescantia ohiensis
  • bog yellowcress Rorippa palustris
  • bristly greenbrier Smilax tamnoides
  • camphor pluchea Pluchea camphorata
  • Canada toadflax Nuttallanthus canadensis
  • Canadian blacksnakeroot Sanicula canadensis
  • Canadian clearweed Pilea pumila
  • Carolina canarygrass Phalaris caroliniana
  • Carolina clover Trifolium carolinianum
  • Carolina coralbead Cocculus carolinus
  • Carolina fimbry Fimbristylis caroliniana
  • Carolina geranium Geranium carolinianum
  • Carolina horsenettle Solanum carolinense
  • Carolina mosquitofern Azolla caroliniana
  • Carolina ponysfoot Dichondra carolinensis
  • Cherokee sedge Carex cherokeensis
  • climbing dogbane Trachelospermum difforme
  • common threeseed mercury Acalypha rhomboidea
  • common yellow oxalis Oxalis stricta
  • creeping burhead Echinodorus cordifolius
  • creeping primrose-willow Ludwigia repens
  • cutleaf groundcherry Physalis angulata
  • cylindricfruit primrose-willow Ludwigia glandulosa
  • cypress panicgrass Dichanthelium dichotomum
  • eastern marsh fern Thelypteris palustris
  • eastern poison ivy Toxicodendron radicans
  • ebony spleenwort Asplenium platyneuron
  • eyebane Chamaesyce nutans
  • giant ironweed Vernonia gigantea
  • grassleaf mudplantain Heteranthera dubia
  • great ragweed Ambrosia trifida
  • green dragon Arisaema dracontium
  • Guadeloupe cucumber Melothria pendula
  • hairy clustervine Jacquemontia tamnifolia
  • hairyfruit chervil Chaerophyllum tainturieri
  • heartleaf nettle Urtica chamaedryoides
  • herbwilliam Ptilimnium capillaceum
  • humped bladderwort Utricularia gibba
  • Juda's bush Iresine rhizomatosa
  • jumpseed Polygonum virginianum
  • lakecress Neobeckia aquatica
  • lanceleaf fogfruit Phyla lanceolata
  • lax hornpod Mitreola petiolata
  • lesser duckweed Lemna aequinoctialis
  • lizard's tail Saururus cernuus
  • Louisiana vetch Vicia ludoviciana
  • lowland rotala Rotala ramosior
  • marsh lady's tresses Spiranthes odorata
  • neckweed Veronica peregrina
  • netted chainfern Woodwardia areolata
  • pineland threeseed mercury Acalypha ostryifolia
  • pinkladies Oenothera speciosa
  • prairie spiderwort Tradescantia occidentalis
  • purple passionflower Passiflora incarnata
  • sharpscale sedge Carex oxylepis
  • slenderleaf false foxglove Agalinis tenuifolia
  • slim amaranth Amaranthus hybridus
  • smooth false buttonweed Spermacoce glabra
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • southern dewberry Rubus trivialis
  • sparselobe grapefern Botrychium biternatum
  • spineless hornwort Ceratophyllum echinatum
  • spring forget-me-not Myosotis verna
  • St. Andrew's cross Hypericum hypericoides
  • swamp leather flower Clematis crispa
  • swamp wedgescale Sphenopholis pensylvanica
  • tapered rosette grass Dichanthelium acuminatum
  • tufted lovegrass Eragrostis pectinacea
  • velvetweed Oenothera curtiflora
  • Virginia buttonweed Diodia virginiana
  • Virginia pepperweed Lepidium virginicum
  • Virginia winged rockcress Sibara virginica
  • warty spurge Euphorbia spathulata
  • water lettuce Pistia stratiotes
  • white crownbeard Verbesina virginica
  • white snakeroot Ageratina altissima
  • white vervain Verbena urticifolia
  • whorled marshpennywort Hydrocotyle verticillata
  • willowleaf aster Symphyotrichum praealtum
  • winged lythrum Lythrum alatum
  • woodland lettuce Lactuca floridana
  • yellow thistle Cirsium horridulum
  • yellowseed false pimpernel Lindernia dubia

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, Assumption Parish and Louisiana
MeasureAssumption ParishTypical countyStatewide
Native species 206 587 1,420
Garden-ready natives 112 271 520
Tree 30 — 151
Shrub 4 — 54
Wildflower (forb) 105 — 761
Grass or grass-like 43 — 342
Vine 19 — 74
Fern 5 — 38

Neighboring counties

Counties that share a ZIP code with Assumption 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
Assumption Parish (county FIPS 22007), Louisiana. 206 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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