Native plants · South Carolina

Native plants of Union County

298 plant species are recorded as native to South Carolina in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Union County by USDA PLANTS. 124 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

Union County, South Carolina

Native species: 298 Typical South Carolina county: 445 (median of 46 counties)
Garden-ready natives: 124 Typical South Carolina county: 189
Share by type (all 298 native species): Percent of the 298 native species in each growth type

Tree 17% (50)
Shrub 5% (15)
Wildflower (forb) 60% (179)
Grass or grass-like 11% (33)
Vine 5% (16)
Fern 2% (5)

Wildflowers make up the largest share of the native list (60%), followed by trees (17%).

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

Garden-ready natives 124

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

Garden-ready native plants of Union County, South Carolina
Plant	Type	Height	Light	Water use	Hardy 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 holly Ilex opaca	Tree	40 ft	Shade-tolerant	Medium	Zone 5a
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
American sycamore Platanus occidentalis	Tree	100 ft	Sun–part shade	High	Zone 4a
American water-willow Justicia americana	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
Bicknell's sedge Carex bicknellii	Grass or grass-like	3.4 ft	Shade-tolerant	Low	Zone 3b
bigleaf snowbell Styrax grandifolius	Tree	10 ft	Sun–part shade	—	Zone 4b
black cherry Prunus serotina	Tree	80 ft	Sun	Medium	Zone 4a
black locust Robinia pseudoacacia	Tree	60 ft	Sun	Medium	Zone 3b
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blackjack oak Quercus marilandica	Tree	25 ft	Sun	Low	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
bristly buttercup Ranunculus hispidus	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
broadleaf arrowhead Sagittaria latifolia	Wildflower (forb)	4.9 ft	Sun	High	Zone 4a
broadleaf cattail Typha latifolia	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 3b
broomsedge bluestem Andropogon virginicus	Grass or grass-like	3 ft	Sun	Medium	Zone 5b
buckthorn bully Sideroxylon lycioides	Tree	9.8 ft	Shade-tolerant	Low	Zone 4b
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 altissima	Wildflower (forb)	5 ft	Sun–part shade	Medium	Zone 4b
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian serviceberry Amelanchier canadensis	Tree	23 ft	Sun–part shade	Medium	Zone 4a
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
Carolina elephantsfoot Elephantopus carolinianus	Wildflower (forb)	2.7 ft	Sun	Medium	Zone 6a
Carolina rose Rosa carolina	Shrub	5 ft	Sun–part shade	Low	Zone 3a
cat greenbrier Smilax glauca	Vine	1 ft	Shade-tolerant	Medium	Zone 6a
Chickasaw plum Prunus angustifolia	Tree	12 ft	Sun	Medium	Zone 4b
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
climbing hempvine Mikania scandens	Vine	1 ft	Shade-tolerant	Medium	Zone 3b
common blue violet Viola sororia	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
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 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
crimsoneyed rosemallow Hibiscus moscheutos	Wildflower (forb)	6.6 ft	Sun	High	Zone 6a
cucumber tree Magnolia acuminata	Tree	100 ft	Sun–part shade	High	Zone 5b
deerberry Vaccinium stamineum	Shrub	16 ft	Shade-tolerant	Low	Zone 5a
devil's beggartick Bidens frondosa	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 12a
devil's walkingstick Aralia spinosa	Tree	20 ft	Sun	High	Zone 4b
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
eastern baccharis Baccharis halimifolia	Tree	10 ft	Sun–part shade	High	Zone 7a
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
eastern gamagrass Tripsacum dactyloides	Grass or grass-like	5 ft	Sun	High	Zone 5a
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
Elliott's blueberry Vaccinium elliottii	Shrub	10 ft	Sun–part shade	Medium	Zone 7a
farkleberry Vaccinium arboreum	Tree	28 ft	Shade-tolerant	Medium	Zone 6a
flowering dogwood Cornus florida	Tree	30 ft	Shade-tolerant	Low	Zone 4b
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 arrow arum Peltandra virginica	Wildflower (forb)	2.3 ft	Sun–part shade	High	Zone 5a
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
honeylocust Gleditsia triacanthos	Tree	70 ft	Sun	Medium	Zone 3b
hophornbeam Ostrya virginiana	Tree	45 ft	Shade-tolerant	Low	Zone 3b
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
laurel oak Quercus laurifolia	Tree	70 ft	Shade-tolerant	Medium	Zone 7a
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
mapleleaf viburnum Viburnum acerifolium	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
marsh flatsedge Cyperus pseudovegetus	Grass or grass-like	2.5 ft	Sun	High	Zone 8a
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
muscadine Vitis rotundifolia	Vine	30 ft	Sun–part shade	Medium	Zone 5b
narrowleaf evening primrose Oenothera fruticosa	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 4a
narrowleaf silkgrass Pityopsis graminifolia	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 7a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
New York ironweed Vernonia noveboracensis	Wildflower (forb)	6.6 ft	Sun–part shade	Medium	Zone 4a
northern catalpa Catalpa speciosa	Tree	60 ft	Sun	Low	Zone 3b
orangegrass Hypericum gentianoides	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12a
overcup oak Quercus lyrata	Tree	80 ft	Sun–part shade	High	Zone 5a
painted buckeye Aesculus sylvatica	Tree	65 ft	Sun–part shade	High	Zone 8a
panicledleaf ticktrefoil Desmodium paniculatum	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 6a
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
pignut hickory Carya glabra	Tree	80 ft	Sun–part shade	Medium	Zone 4a
pink azalea Rhododendron periclymenoides	Shrub	10 ft	Shade-tolerant	Low	Zone 5b
post oak Quercus stellata	Tree	60 ft	Sun	Medium	Zone 4a
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
purplestem aster Symphyotrichum puniceum	Wildflower (forb)	8.1 ft	Sun	High	Zone 3b
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 mulberry Morus rubra	Tree	70 ft	Shade-tolerant	Medium	Zone 4a
rice cutgrass Leersia oryzoides	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
sawtooth blackberry Rubus argutus	Shrub	8.2 ft	Sun	Medium	Zone 6a
shaggy blazing star Liatris pilosa	Wildflower (forb)	5 ft	Sun	Low	Zone 8a
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
silky dogwood Cornus amomum	Shrub	10 ft	Sun–part shade	High	Zone 3b
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
splitbeard bluestem Andropogon ternarius	Grass or grass-like	3.9 ft	Shade-tolerant	Low	Zone 5b
squarestem spikerush Eleocharis quadrangulata	Grass or grass-like	4 ft	Sun	High	Zone 4b
sugarberry Celtis laevigata	Tree	80 ft	Shade-tolerant	High	Zone 5a
sweetgum Liquidambar styraciflua	Tree	100 ft	Sun	High	Zone 5a
trumpet creeper Campsis radicans	Vine	2 ft	Sun	Low	Zone 6a
trumpet honeysuckle Lonicera sempervirens	Vine	16 ft	Shade-tolerant	Medium	Zone 4a
tuliptree Liriodendron tulipifera	Tree	120 ft	Sun	Medium	Zone 5b
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
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
Virginia dayflower Commelina virginica	Wildflower (forb)	3.5 ft	Shade-tolerant	Medium	Zone 5b
water oak Quercus nigra	Tree	90 ft	Sun	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 fringetree Chionanthus virginicus	Tree	25 ft	Shade-tolerant	High	Zone 4a
white oak Quercus alba	Tree	100 ft	Sun–part shade	Medium	Zone 3a
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
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
woolly rosette grass Dichanthelium scabriusculum	Grass or grass-like	2.5 ft	Sun–part shade	Medium	Zone 7a
wreath goldenrod Solidago caesia	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4b
yellow passionflower Passiflora lutea	Vine	16 ft	Shade-tolerant	Low	Zone 5a

Other native species recorded here 174

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 alumroot Heuchera americana
American bird's-foot trefoil Lotus unifoliolatus
American burnweed Erechtites hieraciifolius
American hogpeanut Amphicarpaea bracteata
American wild carrot Daucus pusillus
angularfruit milkvine Matelea gonocarpos
annual ragweed Ambrosia artemisiifolia
bastard toadflax Comandra umbellata
beaked panicgrass Panicum anceps
beechdrops Epifagus virginiana
beggarslice Hackelia virginiana
bigtop lovegrass Eragrostis hirsuta
birdfoot violet Viola pedata
blackseed speargrass Piptochaetium avenaceum
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
Bosc's panicgrass Dichanthelium boscii
button eryngo Eryngium yuccifolium
camphor pluchea Pluchea camphorata
camphorweed Heterotheca subaxillaris
Canada lettuce Lactuca canadensis
Canada toadflax Nuttallanthus canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian honewort Cryptotaenia canadensis
Carolina canarygrass Phalaris caroliniana
Carolina coralbead Cocculus carolinus
Carolina desert-chicory Pyrrhopappus carolinianus
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina vetch Vicia caroliniana
Carolina wild petunia Ruellia caroliniensis
chinquapin Castanea pumila
Christmas fern Polystichum acrostichoides
clasping milkweed Asclepias amplexicaulis
clasping Venus' looking-glass Triodanis perfoliata
climbing dogbane Trachelospermum difforme
coastal plain joe pye weed Eutrochium dubium
coastal sandbur Cenchrus spinifex
common boneset Eupatorium perfoliatum
common threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
cornel-leaf whitetop Doellingeria infirma
creeping lespedeza Lespedeza repens
crippled cranefly Tipularia discolor
crowpoison Nothoscordum bivalve
cutleaf evening primrose Oenothera laciniata
cutleaf groundcherry Physalis angulata
devil's grandmother Elephantopus tomentosus
Dillenius' ticktrefoil Desmodium glabellum
dogfennel Eupatorium capillifolium
downy lobelia Lobelia puberula
downy ragged goldenrod Solidago petiolaris
dwarf cinquefoil Potentilla canadensis
dwarf crested iris Iris cristata
eastern blue-eyed grass Sisyrinchium atlanticum
eastern bluestar Amsonia tabernaemontana
eastern silver aster Symphyotrichum concolor
eastern smooth beardtongue Penstemon laevigatus
eastern sweetshrub Calycanthus floridus
ebony spleenwort Asplenium platyneuron
fall witchgrass Digitaria cognata
false aloe Manfreda virginica
feathery false lily of the valley Maianthemum racemosum
field pansy Viola bicolor
fiveangled dodder Cuscuta pentagona
flowering spurge Euphorbia corollata
forked bluecurls Trichostema dichotomum
golden zizia Zizia aurea
great ragweed Ambrosia trifida
greater marsh St. Johnswort Triadenum walteri
greater tickseed Coreopsis major
green comet milkweed Asclepias viridiflora
hairy angelica Angelica venenosa
hairy lipfern Cheilanthes lanosa
hairyfruit chervil Chaerophyllum tainturieri
heartleaf foamflower Tiarella cordifolia
heartwing sorrel Rumex hastatulus
hedgehog woodrush Luzula echinata
Heller's cudweed Pseudognaphalium helleri
hirsute sedge Carex complanata
hornleaf riverweed Podostemum ceratophyllum
hyssopleaf thoroughwort Eupatorium hyssopifolium
largebracted plantain Plantago aristata
lesser snakeroot Ageratina aromatica
longbract wild indigo Baptisia bracteata
low spearwort Ranunculus pusillus
lowland rotala Rotala ramosior
lyreleaf sage Salvia lyrata
man of the earth Ipomoea pandurata
maroon Carolina milkvine Matelea carolinensis
marsh bristlegrass Setaria parviflora
Maryland goldenaster Chrysopsis mariana
mayapple Podophyllum peltatum
meadow garlic Allium canadense
meadow zizia Zizia aptera
midland sedge Carex mesochorea
narrowleaf vervain Verbena simplex
nits and lice Hypericum drummondii
northern dewberry Rubus flagellaris
paleleaf woodland sunflower Helianthus strumosus
partridgeberry Mitchella repens
perfoliate bellwort Uvularia perfoliata
pine barren flatsedge Cyperus retrorsus
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
poverty oatgrass Danthonia spicata
purple passionflower Passiflora incarnata
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
rattlesnakeweed Hieracium venosum
Ravenel's rosette grass Dichanthelium ravenelii
redring milkweed Asclepias variegata
roundseed panicgrass Dichanthelium sphaerocarpon
rue anemone Thalictrum thalictroides
scaly blazing star Liatris squarrosa
scentless mock orange Philadelphus inodorus
seedbox Ludwigia alternifolia
sensitive partridge pea Chamaecrista nictitans
sharpleaf St. Johnswort Hypericum virgatum
showy goldenrod Solidago erecta
sidebeak pencilflower Stylosanthes biflora
sixweeks fescue Vulpia octoflora
sleepy silene Silene antirrhina
slender fimbry Fimbristylis autumnalis
slender lespedeza Lespedeza virginica
slender threeseed mercury Acalypha gracilens
slenderleaf false foxglove Agalinis tenuifolia
small woodland sunflower Helianthus microcephalus
Small's blacksnakeroot Sanicula smallii
Small's ragwort Packera anonyma
smooth Solomon's seal Polygonatum biflorum
sneezeweed Helenium amarum
southern crab apple Malus angustifolia
Spanish needles Bidens bipinnata
spoonleaf purple everlasting Gamochaeta purpurea
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spring forget-me-not Myosotis verna
spurred butterfly pea Centrosema virginianum
St. Andrew's cross Hypericum hypericoides
starry rosinweed Silphium asteriscus
sticky catchfly Silene caroliniana
striped prince's pine Chimaphila maculata
tall lespedeza Lespedeza stuevei
tall rattlesnakeroot Prenanthes altissima
tall thimbleweed Anemone virginiana
tall thistle Cirsium altissimum
thickleaf phlox Phlox carolina
thinleaf sunflower Helianthus decapetalus
three-lobe violet Viola triloba
trailing lespedeza Lespedeza procumbens
trailing pearlwort Sagina decumbens
velvetleaf ticktrefoil Desmodium viridiflorum
Venus' pride Houstonia purpurea
violet woodsorrel Oxalis violacea
Virginia dwarfdandelion Krigia virginica
Virginia groundcherry Physalis virginiana
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia snakeroot Aristolochia serpentaria
Virginia strawberry Fragaria virginiana
warty spurge Euphorbia spathulata
white blue-eyed grass Sisyrinchium albidum
white turtlehead Chelone glabra
white vervain Verbena urticifolia
white wood aster Eurybia divaricata
wild comfrey Cynoglossum virginianum
wild hydrangea Hydrangea arborescens
wild quinine Parthenium integrifolium
wingstem Verbesina alternifolia
woman's tobacco Antennaria plantaginifolia
woolly lipfern Cheilanthes tomentosa
yellow crownbeard Verbesina occidentalis
zigzag spiderwort Tradescantia subaspera

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 South Carolina

The typical county is the median of the 46 South Carolina 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 South Carolina
Measure	Union County	Typical county	Statewide
Native species	298	445	1,633
Garden-ready natives	124	189	580
Tree	50	—	180
Shrub	15	—	87
Wildflower (forb)	179	—	845
Grass or grass-like	33	—	387
Vine	16	—	72
Fern	5	—	62

Neighboring counties

Counties that share a ZIP code with Union County.

Cherokee County, SC 196 garden-ready
Chester County, SC 127 garden-ready
Newberry County, SC 142 garden-ready
Spartanburg County, SC 166 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: Union County (county FIPS 45087), South Carolina. 298 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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