Native plants · Arkansas

Native plants of Union County

533 plant species are recorded as native to Arkansas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Union County by USDA PLANTS. 243 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, Arkansas

Native species: 533 Typical Arkansas county: 456 (median of 75 counties)
Garden-ready natives: 243 Typical Arkansas county: 200
Share by type (all 533 native species): Percent of the 533 native species in each growth type

Tree 19% (99)
Shrub 3% (17)
Wildflower (forb) 50% (265)
Grass or grass-like 19% (101)
Vine 7% (38)
Fern 2% (13)

Wildflowers make up the largest share of the native list (50%), followed by grasses and grass-like plants (19%).

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 8a to 8b (2023 map).

The native plant list

Garden-ready natives 243

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

Garden-ready native plants of Union County, Arkansas
Plant	Type	Height	Light	Water use	Hardy to
American basswood Tilia americana	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
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 elm Ulmus americana	Tree	120 ft	Sun–part shade	High	Zone 2b
American hazelnut Corylus americana	Shrub	10 ft	Sun–part shade	Medium	Zone 4a
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 snowbell Styrax americanus	Tree	10 ft	Sun–part shade	—	Zone 5b
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
American witchhazel Hamamelis virginiana	Tree	20 ft	Sun–part shade	Medium	Zone 4b
autumn bluegrass Poa autumnalis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 6b
bald cypress Taxodium distichum	Tree	130 ft	Sun–part shade	High	Zone 5b
beaked agrimony Agrimonia rostellata	Wildflower (forb)	2.3 ft	Sun–part shade	Medium	Zone 4a
bearded beggarticks Bidens aristosa	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12b
bigleaf snowbell Styrax grandifolius	Tree	10 ft	Sun–part shade	—	Zone 4b
bitternut hickory Carya cordiformis	Tree	75 ft	Sun	Medium	Zone 2b
black cherry Prunus serotina	Tree	80 ft	Sun	Medium	Zone 4a
black oak Quercus velutina	Tree	80 ft	Sun–part shade	Medium	Zone 4a
black walnut Juglans nigra	Tree	100 ft	Sun	High	Zone 4b
black willow Salix nigra	Tree	100 ft	Sun	High	Zone 1b
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blackgum Nyssa sylvatica	Tree	95 ft	Shade-tolerant	Medium	Zone 5b
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 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
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
broomsedge bluestem Andropogon virginicus	Grass or grass-like	3 ft	Sun	Medium	Zone 5b
bulbous bittercress Cardamine bulbosa	Wildflower (forb)	1.4 ft	Shade-tolerant	Medium	Zone 4a
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
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 germander Teucrium canadense	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
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
Canadian lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
Canadian rush Juncus canadensis	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
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 buckthorn Frangula caroliniana	Tree	20 ft	Shade-tolerant	—	Zone 4b
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
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
catbird grape Vitis palmata	Vine	30 ft	Sun–part shade	Medium	Zone 6a
cedar elm Ulmus crassifolia	Tree	90 ft	Sun–part shade	Medium	Zone 6a
cherrybark oak Quercus pagoda	Tree	120 ft	Sun	Medium	Zone 6b
Chickasaw plum Prunus angustifolia	Tree	12 ft	Sun	Medium	Zone 4b
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
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 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
common serviceberry Amelanchier arborea	Tree	36 ft	Shade-tolerant	Medium	Zone 2b
common sweetleaf Symplocos tinctoria	Tree	20 ft	Shade-tolerant	—	Zone 5a
coral greenbrier Smilax walteri	Vine	1 ft	Shade-tolerant	High	Zone 6b
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
devil's beggartick Bidens frondosa	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 12a
devil's darning needles Clematis virginiana	Vine	15 ft	Sun–part shade	Medium	Zone 3b
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
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
eastern annual saltmarsh aster Symphyotrichum subulatum	Wildflower (forb)	3 ft	Sun	Medium	Zone 7a
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
eastern swampprivet Forestiera acuminata	Tree	33 ft	Shade-tolerant	High	Zone 5b
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
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
fox sedge Carex vulpinoidea	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3b
foxglove beardtongue Penstemon digitalis	Wildflower (forb)	4 ft	Shade-tolerant	Low	Zone 3b
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
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
great coneflower Rudbeckia maxima	Wildflower (forb)	9.8 ft	Sun	High	Zone 5a
green arrow arum Peltandra virginica	Wildflower (forb)	2.3 ft	Sun–part shade	High	Zone 5a
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green hawthorn Crataegus viridis	Tree	30 ft	Sun	High	Zone 5a
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
Gulf Coast spikerush Eleocharis cellulosa	Grass or grass-like	2.6 ft	Sun	High	Zone 8b
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
hazel alder Alnus serrulata	Tree	30 ft	Sun	High	Zone 5a
honeylocust Gleditsia triacanthos	Tree	70 ft	Sun	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
inland rush Juncus interior	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3b
Jack in the pulpit Arisaema triphyllum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 5b
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
knotgrass Paspalum distichum	Grass or grass-like	11 in	Sun	High	Zone 6a
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
laurel greenbrier Smilax laurifolia	Vine	1 ft	Shade-tolerant	High	Zone 6b
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
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
longspike tridens Tridens strictus	Grass or grass-like	4.9 ft	Sun–part shade	Low	Zone 2a
maleberry Lyonia ligustrina	Shrub	9 ft	Shade-tolerant	—	Zone 5a
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
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	Zone 4a
Missouri ironweed Vernonia missurica	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
mountain azalea Rhododendron canescens	Shrub	14 ft	Shade-tolerant	Medium	Zone 6a
muscadine Vitis rotundifolia	Vine	30 ft	Sun–part shade	Medium	Zone 5b
narrowleaf blue-eyed grass Sisyrinchium angustifolium	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 7a
narrowleaf silkgrass Pityopsis graminifolia	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 7a
needleleaf rosette grass Dichanthelium aciculare	Grass or grass-like	1.6 ft	Sun–part shade	Low	Zone 7b
nodding lady's tresses Spiranthes cernua	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
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
nutmeg hickory Carya myristiciformis	Tree	95 ft	Sun	Medium	Zone 6a
Nuttall oak Quercus texana	Tree	110 ft	Sun	Medium	Zone 5b
orangegrass Hypericum gentianoides	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12a
Osage-orange Maclura pomifera	Tree	35 ft	Sun	Medium	Zone 5a
overcup oak Quercus lyrata	Tree	80 ft	Sun–part shade	High	Zone 5a
pale purple coneflower Echinacea pallida	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4a
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
pawpaw Asimina triloba	Tree	25 ft	Shade-tolerant	Medium	Zone 4b
pecan Carya illinoinensis	Tree	120 ft	Sun	High	Zone 5a
peppervine Nekemias arborea	Vine	1 in	Shade-tolerant	Medium	Zone 6a
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
planertree Planera aquatica	Tree	50 ft	Shade-tolerant	Medium	Zone 7a
possumhaw Viburnum nudum	Tree	15 ft	Shade-tolerant	Medium	Zone 4a
possumhaw Ilex decidua	Tree	33 ft	Shade-tolerant	Medium	Zone 5b
post oak Quercus stellata	Tree	60 ft	Sun	Medium	Zone 4a
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
prairie blazing star Liatris pycnostachya	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 4a
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
prickly bog sedge Carex atlantica	Grass or grass-like	1.8 ft	Sun–part shade	High	Zone 5b
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
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 chokeberry Aronia arbutifolia	Shrub	5 ft	Sun	High	Zone 5b
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
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
ridged yellow flax Linum striatum	Wildflower (forb)	2.6 ft	Shade-tolerant	Medium	Zone 3a
river birch Betula nigra	Tree	70 ft	Sun	High	Zone 4a
roughfruit amaranth Amaranthus tuberculatus	Wildflower (forb)	6.6 ft	Sun	High	Zone 4a
roundhead rush Juncus validus	Grass or grass-like	3.2 ft	Sun–part shade	High	Zone 7a
roundleaf goldenrod Solidago patula	Wildflower (forb)	6.6 ft	Sun–part shade	High	Zone 3a
roundleaf greenbrier Smilax rotundifolia	Vine	1 ft	Sun	Medium	Zone 4a
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
saw greenbrier Smilax bona-nox	Vine	4 ft	Shade-tolerant	Medium	Zone 5b
sawtooth blackberry Rubus argutus	Shrub	8.2 ft	Sun	Medium	Zone 6a
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
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
Shumard's oak Quercus shumardii	Tree	100 ft	Sun	Medium	Zone 5a
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slender flatsedge Cyperus bipartitus	Grass or grass-like	5 ft	Sun	Medium	Zone 10b
slender woodoats Chasmanthium laxum	Grass or grass-like	3.3 ft	Shade-tolerant	Medium	Zone 4a
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 sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
southern bayberry Morella caroliniensis	Tree	7 ft	Shade-tolerant	Medium	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
Spanish moss Tillandsia usneoides	Vine	—	Shade-tolerant	Medium	Zone 9b
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
sturdy bulrush Bolboschoenus robustus	Grass or grass-like	4.9 ft	Sun	High	Zone 8a
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
summer grape Vitis aestivalis	Vine	30 ft	Shade-tolerant	Medium	Zone 5a
swamp chestnut oak Quercus michauxii	Tree	80 ft	Sun	Medium	Zone 5a
swamp loosestrife Decodon verticillatus	Shrub	8 ft	Sun–part shade	High	Zone 5a
swamp smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
swamp sunflower Helianthus angustifolius	Wildflower (forb)	5.6 ft	Sun–part shade	Medium	Zone 4b
swamp tupelo Nyssa biflora	Tree	115 ft	Sun	High	Zone 5b
sweetbay Magnolia virginiana	Tree	60 ft	Sun–part shade	High	Zone 9a
sweetgum Liquidambar styraciflua	Tree	100 ft	Sun	High	Zone 5a
sweetscent Pluchea odorata	Wildflower (forb)	4.9 ft	Sun	Medium	Zone 6a
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
tapertip rush Juncus acuminatus	Grass or grass-like	3 ft	Sun–part shade	High	Zone 4a
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
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 creeper Campsis radicans	Vine	2 ft	Sun	Low	Zone 6a
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
tuliptree Liriodendron tulipifera	Tree	120 ft	Sun	Medium	Zone 5b
turkey tangle fogfruit Phyla nodiflora	Wildflower (forb)	2 in	Sun–part shade	Low	Zone 5b
umbrella-tree Magnolia tripetala	Tree	30 ft	Shade-tolerant	Medium	Zone 7a
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
velvet panicum Dichanthelium scoparium	Grass or grass-like	4.3 ft	Shade-tolerant	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 iris Iris virginica	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 8b
Virginia sweetspire Itea virginica	Shrub	10 ft	Shade-tolerant	High	Zone 5a
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
water hickory Carya aquatica	Tree	85 ft	Sun–part shade	Medium	Zone 5b
water locust Gleditsia aquatica	Tree	40 ft	Sun–part shade	—	Zone 10a
water oak Quercus nigra	Tree	90 ft	Sun	High	Zone 5a
water tupelo Nyssa aquatica	Tree	100 ft	Sun	High	Zone 5a
wax myrtle Morella cerifera	Tree	10 ft	Sun	High	Zone 7a
white ash Fraxinus americana	Tree	90 ft	Sun	High	Zone 4a
white doll's daisy Boltonia asteroides	Wildflower (forb)	8 ft	Sun–part shade	Medium	Zone 3b
white edge sedge Carex debilis	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 6a
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
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
wild blue phlox Phlox divaricata	Wildflower (forb)	3 ft	Sun–part shade	Medium	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
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a
wreath goldenrod Solidago caesia	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4b
wrinkleleaf goldenrod Solidago rugosa	Wildflower (forb)	3.3 ft	Sun–part shade	Medium	Zone 4a

Other native species recorded here 290

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 buckwheat vine Brunnichia ovata
American burnweed Erechtites hieraciifolius
American ipecac Gillenia stipulata
American lopseed Phryma leptostachya
American star-thistle Centaurea americana
American white waterlily Nymphaea odorata
American wild carrot Daucus pusillus
anglestem primrose-willow Ludwigia leptocarpa
anisescented goldenrod Solidago odora
annual phlox Phlox drummondii
arrowfeather threeawn Aristida purpurascens
arrowhead rattlebox Crotalaria sagittalis
ashy sunflower Helianthus mollis
Atlantic goldenrod Solidago arguta
Atlantic pigeonwings Clitoria mariana
axilflower Mecardonia acuminata
beach false foxglove Agalinis fasciculata
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded skeletongrass Gymnopogon ambiguus
beechdrops Epifagus virginiana
bigpod sesbania Sesbania herbacea
birdfoot violet Viola pedata
blackseed speargrass Piptochaetium avenaceum
bluntlobe cliff fern Woodsia obtusa
bog white violet Viola lanceolata
Bosc's mille graines Oldenlandia boscii
Bosc's panicgrass Dichanthelium boscii
broad beechfern Phegopteris hexagonoptera
bulbous woodrush Luzula bulbosa
button eryngo Eryngium yuccifolium
camphor pluchea Pluchea camphorata
camphorweed Heterotheca subaxillaris
Canada toadflax Nuttallanthus canadensis
Canadian blacksnakeroot Sanicula canadensis
Carolina canarygrass Phalaris caroliniana
Carolina coralbead Cocculus carolinus
Carolina desert-chicory Pyrrhopappus carolinianus
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina leaf-flower Phyllanthus caroliniensis
Carolina vetch Vicia caroliniana
chaffweed Anagallis minima
chinquapin Castanea pumila
Christmas fern Polystichum acrostichoides
clammy hedgehyssop Gratiola neglecta
clasping milkweed Asclepias amplexicaulis
clasping Venus' looking-glass Triodanis perfoliata
climbing dogbane Trachelospermum difforme
clustered beaksedge Rhynchospora glomerata
clustered fescue Festuca paradoxa
clustered mille graines Oldenlandia uniflora
clustered mountainmint Pycnanthemum muticum
coastal lovegrass Eragrostis refracta
coastal sandbur Cenchrus spinifex
common boneset Eupatorium perfoliatum
common carpetgrass Axonopus fissifolius
common cinquefoil Potentilla simplex
common threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
creeping eryngo Eryngium prostratum
crested yellow orchid Platanthera cristata
crippled cranefly Tipularia discolor
crossvine Bignonia capreolata
crowpoison Nothoscordum bivalve
Culver's root Veronicastrum virginicum
cutleaf evening primrose Oenothera laciniata
cutleaf groundcherry Physalis angulata
cypress panicgrass Dichanthelium dichotomum
denseflower knotweed Polygonum glabrum
devil's grandmother Elephantopus tomentosus
dogfennel Eupatorium capillifolium
downy lobelia Lobelia puberula
downy phlox Phlox pilosa
downy ragged goldenrod Solidago petiolaris
dwarf hackberry Celtis pumila
dwarf hawthorn Crataegus uniflora
dwarf sundew Drosera brevifolia
eastern bluestar Amsonia tabernaemontana
eastern milkpea Galactia regularis
eastern poison ivy Toxicodendron radicans
ebony spleenwort Asplenium platyneuron
Elliott's bentgrass Agrostis elliottiana
Elliott's bluestem Andropogon gyrans
fairywand Chamaelirium luteum
field pansy Viola bicolor
fiveangled dodder Cuscuta pentagona
flowering spurge Euphorbia corollata
fragrant sumac Rhus aromatica
fuzzy wuzzy sedge Carex hirsutella
gaping grass Steinchisma hians
globe beaksedge Rhynchospora recognita
gravelweed Verbesina helianthoides
great ragweed Ambrosia trifida
greater marsh St. Johnswort Triadenum walteri
green adder's-mouth orchid Malaxis unifolia
green carpetweed Mollugo verticillata
green dragon Arisaema dracontium
Guadeloupe cucumber Melothria pendula
gum bully Sideroxylon lanuginosum
hairy bedstraw Galium pilosum
hairy clustervine Jacquemontia tamnifolia
hairy evening primrose Oenothera villosa
hairy pinweed Lechea mucronata
hairy sunflower Helianthus hirsutus
hairy umbrella-sedge Fuirena squarrosa
hairy wildrye Elymus villosus
hairyfruit chervil Chaerophyllum tainturieri
hairyseed paspalum Paspalum pubiflorum
handsome Harry Rhexia virginica
harvestbells Gentiana saponaria
heartleaf skullcap Scutellaria ovata
heartwing sorrel Rumex hastatulus
Heller's cudweed Pseudognaphalium helleri
herbwilliam Ptilimnium capillaceum
hogwort Croton capitatus
humped bladderwort Utricularia gibba
husk tomato Physalis pubescens
jumpseed Polygonum virginianum
juniper leaf Polypremum procumbens
keeled bulrush Isolepis carinata
kidneyshape sedge Carex reniformis
lanceleaf blanketflower Gaillardia aestivalis
lanceleaf ragweed Ambrosia bidentata
large whorled pogonia Isotria verticillata
largebracted plantain Plantago aristata
largeflower tickseed Coreopsis grandiflora
lateflowering thoroughwort Eupatorium serotinum
lax hornpod Mitreola petiolata
leathery rush Juncus coriaceus
lesser marsh St. Johnswort Triadenum tubulosum
limber honeysuckle Lonicera dioica
little lady's tresses Spiranthes tuberosa
littlehip hawthorn Crataegus spathulata
lizard's tail Saururus cernuus
Louisiana sedge Carex louisianica
low spearwort Ranunculus pusillus
low spikesedge Kyllinga pumila
lowland rotala Rotala ramosior
manyflower marshpennywort Hydrocotyle umbellata
marsh bristlegrass Setaria parviflora
Maryland meadowbeauty Rhexia mariana
mayapple Podophyllum peltatum
meadow garlic Allium canadense
meadow spikemoss Selaginella apoda
Mexican plum Prunus mexicana
Michaux's croton Croton michauxii
Muhlenberg's sedge Carex muehlenbergii
narrow plumegrass Saccharum baldwinii
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf pinweed Lechea tenuifolia
narrowleaf primrose-willow Ludwigia linearis
neckweed Veronica peregrina
netted chainfern Woodwardia areolata
nits and lice Hypericum drummondii
nodding beaksedge Rhynchospora inexpansa
northern dewberry Rubus flagellaris
Nuttall's sensitive-briar Mimosa nuttallii
oak mistletoe Phoradendron leucarpum
oldfield milkvine Matelea decipiens
openflower rosette grass Dichanthelium laxiflorum
pale dock Rumex altissimus
palegreen orchid Platanthera flava
palespike lobelia Lobelia spicata
Parlin's pussytoes Antennaria parlinii
pinkladies Oenothera speciosa
Plukenet's flatsedge Cyperus plukenetii
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
poverty oatgrass Danthonia spicata
prairie threeawn Aristida oligantha
prostrate blue violet Viola walteri
prostrate sandmat Chamaesyce prostrata
purple passionflower Passiflora incarnata
queen's-delight Stillingia sylvatica
queendevil Hieracium gronovii
racemed milkwort Polygala polygama
red hickory Carya ovalis
redring milkweed Asclepias variegata
rice button aster Symphyotrichum dumosum
Richard's yelloweyed grass Xyris jupicai
rock buttercup Ranunculus micranthus
rosepink Sabatia angularis
rough barnyardgrass Echinochloa muricata
rough dropseed Sporobolus clandestinus
rough false pennyroyal Hedeoma hispida
rough flatsedge Cyperus retrofractus
rough Mexican clover Richardia scabra
roundfruit hedgehyssop Gratiola virginiana
roundleaf ragwort Packera obovata
roundleaf thoroughwort Eupatorium rotundifolium
roundseed panicgrass Dichanthelium sphaerocarpon
rusty blackhaw Viburnum rufidulum
sand bittercress Cardamine parviflora
scaldweed Cuscuta gronovii
seedbox Ludwigia alternifolia
sensitive fern Onoclea sensibilis
sensitive partridge pea Chamaecrista nictitans
sessileleaf bellwort Uvularia sessilifolia
sessileleaf ticktrefoil Desmodium sessilifolium
shortleaf skeletongrass Gymnopogon brevifolius
shortpod draba Draba brachycarpa
shrubby lespedeza Lespedeza frutescens
sidebeak pencilflower Stylosanthes biflora
silvery everlasting Gamochaeta argyrinea
sixweeks fescue Vulpia octoflora
slender crabgrass Digitaria filiformis
slender fimbry Fimbristylis autumnalis
slender lespedeza Lespedeza virginica
slender threeseed mercury Acalypha gracilens
slender yelloweyed grass Xyris torta
slenderleaf false foxglove Agalinis tenuifolia
slim amaranth Amaranthus hybridus
slimpod rush Juncus diffusissimus
slimspike threeawn Aristida longespica
small green wood orchid Platanthera clavellata
small skullcap Scutellaria parvula
small Venus' looking-glass Triodanis biflora
smallflower fumewort Corydalis micrantha
smallflower thoroughwort Eupatorium semiserratum
smooth elephantsfoot Elephantopus nudatus
smooth small-leaf ticktrefoil Desmodium marilandicum
smooth white oldfield aster Symphyotrichum racemosum
sneezeweed Helenium amarum
soft goldenaster Chrysopsis pilosa
southeastern wildrye Elymus glabriflorus
southern annual saltmarsh aster Symphyotrichum divaricatum
southern bog clubmoss Lycopodiella appressa
southern crab apple Malus angustifolia
southern dewberry Rubus trivialis
southern twayblade Listera australis
southern whitetop Doellingeria sericocarpoides
Spanish needles Bidens bipinnata
sparselobe grapefern Botrychium biternatum
spindleroot Ludwigia hirtella
spoonleaf purple everlasting Gamochaeta purpurea
spotted sandmat Chamaesyce maculata
spreading sandmat Chamaesyce humistrata
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 yellow flax Linum medium
stinking camphorweed Pluchea foetida
striped cream violet Viola striata
swamp leather flower Clematis crispa
tall blazing star Liatris aspera
tall tickseed Coreopsis tripteris
tapered rosette grass Dichanthelium acuminatum
Texas vervain Verbena halei
thin paspalum Paspalum setaceum
threadleaf evening primrose Oenothera linifolia
three-lobe violet Viola triloba
tiny bluet Houstonia pusilla
trailing pearlwort Sagina decumbens
twistspine pricklypear Opuntia macrorhiza
twoflower melicgrass Melica mutica
Vahl's fimbry Fimbristylis vahlii
velvetleaf ticktrefoil Desmodium viridiflorum
Viola ×primulifolia Viola ×primulifolia
violet woodsorrel Oxalis violacea
Virginia buttonweed Diodia virginiana
Virginia chainfern Woodwardia virginica
Virginia dwarfdandelion Krigia virginica
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia snakeroot Aristolochia serpentaria
Virginia springbeauty Claytonia virginica
Virginia tephrosia Tephrosia virginiana
Virginia winged rockcress Sibara virginica
warty panicgrass Panicum verrucosum
whip nutrush Scleria triglomerata
white crownbeard Verbesina virginica
white heath aster Symphyotrichum ericoides
white snakeroot Ageratina altissima
white vervain Verbena urticifolia
whitemouth dayflower Commelina erecta
whorled marshpennywort Hydrocotyle prolifera
whorled marshpennywort Hydrocotyle verticillata
whorled milkweed Asclepias verticillata
whorled milkwort Polygala verticillata
wild yam Dioscorea villosa
winged lythrum Lythrum alatum
woodland pinkroot Spigelia marilandica
woolly ragwort Packera tomentosa
yankeeweed Eupatorium compositifolium
yellow thistle Cirsium horridulum
zigzag bladderwort Utricularia subulata

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
Mexican teaDysphania ambrosioides

Compared with Arkansas

The typical county is the median of the 75 Arkansas 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 Arkansas
Measure	Union County	Typical county	Statewide
Native species	533	456	1,576
Garden-ready natives	243	200	531
Tree	99	—	159
Shrub	17	—	52
Wildflower (forb)	265	—	852
Grass or grass-like	101	—	370
Vine	38	—	81
Fern	13	—	62

Neighboring counties

Counties that share a ZIP code with Union County.

Columbia County, AR 174 garden-ready
Ouachita County, AR 192 garden-ready
Claiborne Parish, LA 314 garden-ready
Union Parish, LA 333 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 05139), Arkansas. 533 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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