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Native plants recorded in your state and county

Native plants · Mississippi

Native plants of Union County

299 plant species are recorded as native to Mississippi in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Union County by USDA PLANTS. 127 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Union County, Mississippi

Native species
299 Typical Mississippi county: 241 (median of 82 counties)
Garden-ready natives
127 Typical Mississippi county: 116
Share by type (all 299 native species)
Percent of the 299 native species in each growth type
Tree 16% (49)
Shrub 3% (8)
Wildflower (forb) 59% (177)
Grass or grass-like 11% (34)
Vine 8% (25)
Fern 2% (6)

Wildflowers make up the largest share of the native list (59%), followed by trees (16%).

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 8a (2023 map).

The native plant list

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

Garden-ready natives 127

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

Garden-ready native plants of Union County, Mississippi
PlantType HeightLight Water useHardy to
American beautyberry Callicarpa americana Shrub 6 ft Sun–part shade Low Zone 6b
American beech Fagus grandifolia Tree 80 ft Shade-tolerant Medium Zone 3a
American bellflower Campanulastrum americanum Wildflower (forb) 6 ft Shade-tolerant Medium Zone 12b
American hornbeam Carpinus caroliniana Tree 30 ft Shade-tolerant Medium Zone 4a
American pokeweed Phytolacca americana Wildflower (forb) 7.3 ft Shade-tolerant Medium Zone 4a
bald cypress Taxodium distichum Tree 130 ft Sun–part shade High Zone 5b
bitternut hickory Carya cordiformis Tree 75 ft Sun Medium Zone 2b
black cherry Prunus serotina Tree 80 ft Sun Medium Zone 4a
black walnut Juglans nigra Tree 100 ft Sun High Zone 4b
blackjack oak Quercus marilandica Tree 25 ft Sun Low Zone 6a
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
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
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
butternut Juglans cinerea Tree 80 ft Sun Medium Zone 4a
calico aster Symphyotrichum lateriflorum Wildflower (forb) 4 ft Sun Medium Zone 4a
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
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
cat greenbrier Smilax glauca Vine 1 ft Shade-tolerant Medium Zone 6a
cherrybark oak Quercus pagoda Tree 120 ft Sun Medium Zone 6b
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
climbing hempvine Mikania scandens Vine 1 ft Shade-tolerant Medium Zone 3b
climbing rose Rosa setigera Vine 16 ft Sun Low Zone 6a
common evening primrose Oenothera biennis Wildflower (forb) 5 ft Sun Medium Zone 4b
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
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
cucumber tree Magnolia acuminata Tree 100 ft Sun–part shade High Zone 5b
devil's darning needles Clematis virginiana Vine 15 ft Sun–part shade Medium Zone 3b
ditch stonecrop Penthorum sedoides Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 4b
dwarf St. Johnswort Hypericum mutilum Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 5a
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
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
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
flowering dogwood Cornus florida Tree 30 ft Shade-tolerant Low Zone 4b
giant cane Arundinaria gigantea Shrub 25 ft Sun Medium Zone 5a
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
gray goldenrod Solidago nemoralis Wildflower (forb) 2 ft Sun Medium Zone 4a
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
groundnut Apios americana Vine 1 ft Shade-tolerant Medium Zone 5a
hairy white oldfield aster Symphyotrichum pilosum Wildflower (forb) 3 ft Shade-tolerant Medium Zone 4a
halberdleaf rosemallow Hibiscus laevis Wildflower (forb) 8 ft Sun–part shade High Zone 6a
harvestlice Agrimonia parviflora Wildflower (forb) 6 ft Sun–part shade High Zone 4a
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
hophornbeam Ostrya virginiana Tree 45 ft Shade-tolerant Low Zone 3b
Indian woodoats Chasmanthium latifolium Grass or grass-like 4.6 ft Shade-tolerant Medium Zone 4a
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
jewelweed Impatiens capensis Wildflower (forb) 4.9 ft Shade-tolerant Medium Zone 10b
late purple aster Symphyotrichum patens Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 3b
limestone wild petunia Ruellia strepens Wildflower (forb) 3.6 ft Shade-tolerant Low Zone 6a
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
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 woodoats Chasmanthium sessiliflorum Grass or grass-like 5 ft Sun Medium Zone 7a
marsh seedbox Ludwigia palustris Wildflower (forb) 2 in Sun High Zone 4a
muscadine Vitis rotundifolia Vine 30 ft Sun–part shade Medium Zone 5b
New Jersey tea Ceanothus americanus Shrub 3 ft Shade-tolerant Low Zone 4b
northern maidenhair Adiantum pedatum Fern 1.3 ft Shade-tolerant Medium Zone 3b
northern spicebush Lindera benzoin Tree 12 ft Sun–part shade Medium Zone 5a
oakleaf hydrangea Hydrangea quercifolia Shrub 6 ft Sun Medium Zone 7a
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
pecan Carya illinoinensis Tree 120 ft Sun High Zone 5a
Pennsylvania smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
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
pignut hickory Carya glabra Tree 80 ft Sun–part shade Medium Zone 4a
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
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
roundhead rush Juncus validus Grass or grass-like 3.2 ft Sun–part shade High Zone 7a
roundleaf greenbrier Smilax rotundifolia Vine 1 ft Sun Medium Zone 4a
sassafras Sassafras albidum Tree 75 ft Sun Low Zone 4b
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
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
Shumard's oak Quercus shumardii Tree 100 ft Sun Medium Zone 5a
silky dogwood Cornus amomum Shrub 10 ft Sun–part shade High Zone 3b
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 blue aster Symphyotrichum laeve Wildflower (forb) 4 ft Sun Medium Zone 3a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
sourwood Oxydendrum arboreum Tree 35 ft Shade-tolerant Low Zone 6a
southern red oak Quercus falcata Tree 75 ft Sun–part shade Medium Zone 6a
southern sugar maple Acer floridanum Tree 50 ft Shade-tolerant Medium Zone 5b
spotted St. Johnswort Hypericum punctatum Wildflower (forb) 3 ft Shade-tolerant Medium Zone 4a
stiff dogwood Cornus foemina Tree 16 ft Sun–part shade Medium Zone 7a
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
swamp chestnut oak Quercus michauxii Tree 80 ft Sun Medium Zone 5a
swamp smartweed Polygonum hydropiperoides Wildflower (forb) — Sun Medium Zone 10b
sweetgum Liquidambar styraciflua Tree 100 ft Sun High Zone 5a
thicket sedge Carex abscondita Grass or grass-like 8 in Shade-tolerant High Zone 7a
trumpet creeper Campsis radicans Vine 2 ft Sun Low Zone 6a
tuliptree Liriodendron tulipifera Tree 120 ft Sun Medium Zone 5b
valley redstem Ammannia coccinea Wildflower (forb) 1.6 ft Sun Medium Zone 3b
Virginia creeper Parthenocissus quinquefolia Vine 1 ft Sun–part shade Low Zone 4b
Virginia dayflower Commelina virginica Wildflower (forb) 3.5 ft Shade-tolerant Medium Zone 5b
Virginia threeseed mercury Acalypha virginica Wildflower (forb) 3 ft Sun–part shade Medium Zone 10b
water oak Quercus nigra Tree 90 ft Sun High Zone 5a
waterpod Hydrolea quadrivalvis Wildflower (forb) 1.5 ft Sun High Zone 8b
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 fringetree Chionanthus virginicus Tree 25 ft Shade-tolerant High Zone 4a
white oak Quercus alba Tree 100 ft Sun–part shade Medium Zone 3a
white panicle aster Symphyotrichum lanceolatum Wildflower (forb) 6 ft Sun–part shade High Zone 3b
whitegrass Leersia virginica Grass or grass-like 3.9 ft Shade-tolerant Medium Zone 3a
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
willow oak Quercus phellos Tree 100 ft Sun High Zone 5a
winged elm Ulmus alata Tree 65 ft Shade-tolerant Medium Zone 5b
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
wrinkleleaf goldenrod Solidago rugosa Wildflower (forb) 3.3 ft Sun–part shade Medium Zone 4a
yellow passionflower Passiflora lutea Vine 16 ft Shade-tolerant Low Zone 5a

Other native species recorded here 172

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 bladdernut Staphylea trifolia
  • American buckwheat vine Brunnichia ovata
  • American columbo Frasera caroliniensis
  • American ginseng Panax quinquefolius
  • American lopseed Phryma leptostachya
  • American wild carrot Daucus pusillus
  • anisescented goldenrod Solidago odora
  • annual marsh elder Iva annua
  • aquatic milkweed Asclepias perennis
  • aromatic aster Symphyotrichum oblongifolium
  • arrowleaf violet Viola sagittata
  • Atlantic pigeonwings Clitoria mariana
  • Atlantic poison oak Toxicodendron pubescens
  • beaked cornsalad Valerianella radiata
  • beaked panicgrass Panicum anceps
  • bearded shorthusk Brachyelytrum erectum
  • beggarslice Hackelia virginiana
  • bigbract verbena Verbena bracteata
  • blackseed plantain Plantago rugelii
  • blisterwort Ranunculus recurvatus
  • blood panicgrass Dichanthelium consanguineum
  • bloody butcher Trillium recurvatum
  • bluntlobe cliff fern Woodsia obtusa
  • Bosc's panicgrass Dichanthelium boscii
  • camphor pluchea Pluchea camphorata
  • camphorweed Heterotheca subaxillaris
  • Canada toadflax Nuttallanthus canadensis
  • Canadian blacksnakeroot Sanicula canadensis
  • Canadian honewort Cryptotaenia canadensis
  • Canadian wildginger Asarum canadense
  • Carolina coralbead Cocculus carolinus
  • Carolina geranium Geranium carolinianum
  • Carolina horsenettle Solanum carolinense
  • Carolina leaf-flower Phyllanthus caroliniensis
  • Carolina wild petunia Ruellia caroliniensis
  • carpenter's square Scrophularia marilandica
  • Christmas fern Polystichum acrostichoides
  • clammy groundcherry Physalis heterophylla
  • clasping Venus' looking-glass Triodanis perfoliata
  • climbing dogbane Trachelospermum difforme
  • clustered blacksnakeroot Sanicula odorata
  • common boneset Eupatorium perfoliatum
  • common threeseed mercury Acalypha rhomboidea
  • common yellow oxalis Oxalis stricta
  • creeping eryngo Eryngium prostratum
  • creeping lespedeza Lespedeza repens
  • crippled cranefly Tipularia discolor
  • crossvine Bignonia capreolata
  • cutleaf evening primrose Oenothera laciniata
  • cutleaf groundcherry Physalis angulata
  • cutleaf toothwort Cardamine concatenata
  • cylindricfruit primrose-willow Ludwigia glandulosa
  • cypress panicgrass Dichanthelium dichotomum
  • dogfennel Eupatorium capillifolium
  • downy lobelia Lobelia puberula
  • downy pagoda-plant Blephilia ciliata
  • dwarf crested iris Iris cristata
  • early buttercup Ranunculus fascicularis
  • early saxifrage Saxifraga virginiensis
  • eastern bluestar Amsonia tabernaemontana
  • eastern greenviolet Hybanthus concolor
  • eastern poison ivy Toxicodendron radicans
  • ebony spleenwort Asplenium platyneuron
  • elmleaf goldenrod Solidago ulmifolia
  • fairywand Chamaelirium luteum
  • fall phlox Phlox paniculata
  • false aloe Manfreda virginica
  • feathery false lily of the valley Maianthemum racemosum
  • fewflower ticktrefoil Desmodium pauciflorum
  • field pansy Viola bicolor
  • floating primrose-willow Ludwigia peploides
  • Florida yellow flax Linum floridanum
  • flowering spurge Euphorbia corollata
  • fox grape Vitis labrusca
  • fragrant bedstraw Galium triflorum
  • giant ironweed Vernonia gigantea
  • globe flatsedge Cyperus echinatus
  • great ragweed Ambrosia trifida
  • Greek valerian Polemonium reptans
  • green carpetweed Mollugo verticillata
  • green dragon Arisaema dracontium
  • Guadeloupe cucumber Melothria pendula
  • hairy bedstraw Galium pilosum
  • hairy pinweed Lechea mucronata
  • hairy skullcap Scutellaria elliptica
  • hairy woodland brome Bromus pubescens
  • handsome Harry Rhexia virginica
  • harbinger of spring Erigenia bulbosa
  • Heller's cudweed Pseudognaphalium helleri
  • herbwilliam Ptilimnium capillaceum
  • hirsute sedge Carex complanata
  • hoary ticktrefoil Desmodium canescens
  • hogwort Croton capitatus
  • honeyvine Cynanchum laeve
  • hyssopleaf thoroughwort Eupatorium hyssopifolium
  • juniper leaf Polypremum procumbens
  • king of the meadow Thalictrum pubescens
  • Kral's sedge Carex kraliana
  • lanceleaf fogfruit Phyla lanceolata
  • largeflower bellwort Uvularia grandiflora
  • largeseed forget-me-not Myosotis macrosperma
  • lateflowering thoroughwort Eupatorium serotinum
  • lizard's tail Saururus cernuus
  • longstyle sweetroot Osmorhiza longistylis
  • man of the earth Ipomoea pandurata
  • marsh bristlegrass Setaria parviflora
  • Maryland goldenaster Chrysopsis mariana
  • Maryland meadowbeauty Rhexia mariana
  • mayapple Podophyllum peltatum
  • Mead's sedge Carex meadii
  • Muhlenberg's sedge Carex muehlenbergii
  • nakedflower ticktrefoil Desmodium nudiflorum
  • narrowleaf whitetop aster Sericocarpus linifolius
  • nits and lice Hypericum drummondii
  • Pennsylvania pellitory Parietaria pensylvanica
  • pink thoroughwort Fleischmannia incarnata
  • poorjoe Diodia teres
  • prairie threeawn Aristida oligantha
  • prostrate blue violet Viola walteri
  • purple meadowparsnip Thaspium trifoliatum
  • purple passionflower Passiflora incarnata
  • redring milkweed Asclepias variegata
  • rice button aster Symphyotrichum dumosum
  • rosepink Sabatia angularis
  • rough barnyardgrass Echinochloa muricata
  • rough false pennyroyal Hedeoma hispida
  • roundleaf thoroughwort Eupatorium rotundifolium
  • roundseed panicgrass Dichanthelium sphaerocarpon
  • Sampson's snakeroot Orbexilum pedunculatum
  • sandpaper vervain Verbena scabra
  • seedbox Ludwigia alternifolia
  • sensitive partridge pea Chamaecrista nictitans
  • Short's aster Symphyotrichum shortii
  • sidebeak pencilflower Stylosanthes biflora
  • sixweeks fescue Vulpia octoflora
  • slender fimbry Fimbristylis autumnalis
  • slender yellow woodsorrel Oxalis dillenii
  • small skullcap Scutellaria parvula
  • small Venus' looking-glass Triodanis biflora
  • smallhead doll's daisy Boltonia diffusa
  • smooth Solomon's seal Polygonatum biflorum
  • spiked crested coralroot Hexalectris spicata
  • spoonleaf purple everlasting Gamochaeta purpurea
  • spotted sandmat Chamaesyce maculata
  • spotted water hemlock Cicuta maculata
  • spring coralroot Corallorhiza wisteriana
  • spurred butterfly pea Centrosema virginianum
  • St. Andrew's cross Hypericum hypericoides
  • Swan's sedge Carex swanii
  • tall thimbleweed Anemone virginiana
  • tall thistle Cirsium altissimum
  • Venus' pride Houstonia purpurea
  • Virginia buttonweed Diodia virginiana
  • Virginia pepperweed Lepidium virginicum
  • Virginia snakeroot Aristolochia serpentaria
  • Virginia winged rockcress Sibara virginica
  • walking fern Asplenium rhizophyllum
  • wavyleaf aster Symphyotrichum undulatum
  • white baneberry Actaea pachypoda
  • white snakeroot Ageratina altissima
  • white vervain Verbena urticifolia
  • wholeleaf rosinweed Silphium integrifolium
  • widowsfrill Silene stellata
  • wild comfrey Cynoglossum virginianum
  • wild hydrangea Hydrangea arborescens
  • wild yam Dioscorea villosa
  • woodland pinkroot Spigelia marilandica
  • yellow thistle Cirsium horridulum
  • yellowfruit horse-gentian Triosteum angustifolium
  • yellowseed false pimpernel Lindernia dubia
  • zigzag spiderwort Tradescantia subaspera
Also listed as native and introduced here 2

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
  • climbing false buckwheatPolygonum scandens

Compared with Mississippi

The typical county is the median of the 82 Mississippi 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, Union County and Mississippi
MeasureUnion CountyTypical countyStatewide
Native species 299 241 1,473
Garden-ready natives 127 116 528
Tree 49 — 164
Shrub 8 — 63
Wildflower (forb) 177 — 770
Grass or grass-like 34 — 358
Vine 25 — 72
Fern 6 — 46

Neighboring counties

Counties that share a ZIP code with Union 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
Union County (county FIPS 28145), Mississippi. 299 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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