Native plants · Louisiana

Native plants of St. Helena Parish

685 plant species are recorded as native to Louisiana in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in St. Helena Parish by USDA PLANTS. 287 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

St. Helena Parish, Louisiana

Native species: 685 Typical Louisiana county: 587 (median of 64 counties)
Garden-ready natives: 287 Typical Louisiana county: 271
Share by type (all 685 native species): Percent of the 685 native species in each growth type

Tree 14% (94)
Shrub 4% (30)
Wildflower (forb) 52% (354)
Grass or grass-like 22% (150)
Vine 7% (46)
Fern 2% (11)

Wildflowers make up the largest share of the native list (52%), followed by grasses and grass-like plants (22%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zone 9a (2023 map).

The native plant list

Garden-ready natives 287

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

Garden-ready native plants of St. Helena Parish, Louisiana
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 bur-reed Sparganium americanum	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 4a
American cupscale Sacciolepis striata	Grass or grass-like	3 ft	Sun	Low	Zone 5b
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 plum Prunus americana	Tree	24 ft	Sun	Medium	Zone 3b
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
Appalachian blazing star Liatris squarrulosa	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 7a
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
bedstraw St. Johnswort Hypericum galioides	Shrub	2.5 ft	Sun	High	Zone 7a
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
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
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
broadleaf signalgrass Urochloa platyphylla	Grass or grass-like	3 ft	Sun	Medium	Zone 9a
broomsedge bluestem Andropogon virginicus	Grass or grass-like	3 ft	Sun	Medium	Zone 5b
brownseed paspalum Paspalum plicatulum	Grass or grass-like	3.3 ft	Sun–part shade	Low	Zone 8a
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
bushy bluestem Andropogon glomeratus	Grass or grass-like	6.3 ft	Sun	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 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 lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
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 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
catchfly grass Leersia lenticularis	Grass or grass-like	2.6 ft	Sun	Medium	Zone 4a
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
clasping coneflower Dracopis amplexicaulis	Wildflower (forb)	2 ft	Sun	High	Zone 10b
climbing hempvine Mikania scandens	Vine	1 ft	Shade-tolerant	Medium	Zone 3b
comfortroot Hibiscus aculeatus	Wildflower (forb)	3 ft	Sun	Medium	Zone 8b
common buttonbush Cephalanthus occidentalis	Tree	15 ft	Shade-tolerant	High	Zone 4a
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 hoptree Ptelea trifoliata	Tree	25 ft	Sun–part shade	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
common winterberry Ilex verticillata	Tree	10 ft	Sun–part shade	High	Zone 4b
coral greenbrier Smilax walteri	Vine	1 ft	Shade-tolerant	High	Zone 6b
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
cupseed Calycocarpum lyonii	Vine	30 ft	Shade-tolerant	Medium	Zone 7a
deerberry Vaccinium stamineum	Shrub	16 ft	Shade-tolerant	Low	Zone 5a
delta arrowhead Sagittaria platyphylla	Wildflower (forb)	3 ft	Sun	High	Zone 6a
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
ditch stonecrop Penthorum sedoides	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 4b
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
dwarf huckleberry Gaylussacia dumosa	Shrub	1.4 ft	Shade-tolerant	Low	Zone 5a
dwarf palmetto Sabal minor	Tree	9 ft	Shade-tolerant	High	Zone 8a
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
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 woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
Elliott's blueberry Vaccinium elliottii	Shrub	10 ft	Sun–part shade	Medium	Zone 7a
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
farkleberry Vaccinium arboreum	Tree	28 ft	Shade-tolerant	Medium	Zone 6a
fetterbush lyonia Lyonia lucida	Shrub	6.6 ft	Shade-tolerant	Medium	Zone 7b
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
forked rush Juncus dichotomus	Grass or grass-like	2.9 ft	Sun–part shade	Medium	Zone 8b
foxglove beardtongue Penstemon digitalis	Wildflower (forb)	4 ft	Shade-tolerant	Low	Zone 3b
fragrant flatsedge Cyperus odoratus	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
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
giant cutgrass Zizaniopsis miliacea	Grass or grass-like	9 ft	Sun	High	Zone 8b
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
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
greater bladder sedge Carex intumescens	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
green arrow arum Peltandra virginica	Wildflower (forb)	2.3 ft	Sun–part shade	High	Zone 5a
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
Gulf Sebastian-bush Ditrysinia fruticosa	Shrub	12 ft	Shade-tolerant	Low	Zone 5b
hairawn muhly Muhlenbergia capillaris	Grass or grass-like	3 ft	Sun	High	Zone 8a
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
haspan flatsedge Cyperus haspan	Grass or grass-like	3.2 ft	Sun	Medium	Zone 8a
hilograss Paspalum conjugatum	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 8b
honeylocust Gleditsia triacanthos	Tree	70 ft	Sun	Medium	Zone 3b
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
horsetail paspalum Paspalum fluitans	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 5a
Indian woodoats Chasmanthium latifolium	Grass or grass-like	4.6 ft	Shade-tolerant	Medium	Zone 4a
Indiangrass Sorghastrum nutans	Grass or grass-like	6 ft	Sun	Medium	Zone 3b
inkberry Ilex glabra	Shrub	8 ft	Sun	High	Zone 6a
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
lanceleaf greenbrier Smilax smallii	Vine	1 ft	Shade-tolerant	Medium	Zone 6b
lanceleaf loosestrife Lysimachia lanceolata	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 5a
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
lesser creeping rush Juncus repens	Grass or grass-like	6.8 ft	Sun	High	Zone 8b
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
live oak Quercus virginiana	Tree	50 ft	Sun–part shade	Medium	Zone 8a
loblolly pine Pinus taeda	Tree	100 ft	Sun	High	Zone 6b
longleaf pine Pinus palustris	Tree	120 ft	Sun	Medium	Zone 7a
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
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
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
moss phlox Phlox subulata	Wildflower (forb)	6 in	Sun–part shade	High	Zone 4b
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 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
needleleaf rosette grass Dichanthelium aciculare	Grass or grass-like	1.6 ft	Sun–part shade	Low	Zone 7b
needlepod rush Juncus scirpoides	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 7a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
nimblewill Muhlenbergia schreberi	Grass or grass-like	3.2 ft	Shade-tolerant	Low	Zone 4a
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
Nuttall oak Quercus texana	Tree	110 ft	Sun	Medium	Zone 5b
oakleaf hydrangea Hydrangea quercifolia	Shrub	6 ft	Sun	Medium	Zone 7a
orangegrass Hypericum gentianoides	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12a
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
Pennsylvania bittercress Cardamine pensylvanica	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 4a
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
peppervine Nekemias arborea	Vine	1 in	Shade-tolerant	Medium	Zone 6a
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
pignut hickory Carya glabra	Tree	80 ft	Sun–part shade	Medium	Zone 4a
poorland flatsedge Cyperus compressus	Grass or grass-like	1 ft	Sun	Medium	Zone 11a
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
prairie willow Salix humilis	Shrub	10 ft	Sun–part shade	High	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
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
roundhead lespedeza Lespedeza capitata	Wildflower (forb)	2.6 ft	Sun	Low	Zone 4b
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
roundpod St. Johnswort Hypericum cistifolium	Shrub	2.5 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
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
sharpwing monkeyflower Mimulus alatus	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 5a
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
shrubby St. Johnswort Hypericum prolificum	Shrub	3.2 ft	Sun–part shade	High	Zone 4b
Shumard's oak Quercus shumardii	Tree	100 ft	Sun	Medium	Zone 5a
slash pine Pinus elliottii	Tree	100 ft	Sun	Medium	Zone 5b
slender little bluestem Schizachyrium tenerum	Grass or grass-like	3 ft	Sun	Medium	Zone 8b
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 hedgenettle Stachys tenuifolia	Wildflower (forb)	25 ft	Shade-tolerant	High	Zone 4a
smooth sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
sourwood Oxydendrum arboreum	Tree	35 ft	Shade-tolerant	Low	Zone 6a
southern catalpa Catalpa bignonioides	Tree	66 ft	Sun–part shade	Low	Zone 5b
southern magnolia Magnolia grandiflora	Tree	100 ft	Shade-tolerant	High	Zone 8a
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
southern waxy sedge Carex glaucescens	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 6a
Spanish moss Tillandsia usneoides	Vine	—	Shade-tolerant	Medium	Zone 9b
splitbeard bluestem Andropogon ternarius	Grass or grass-like	3.9 ft	Shade-tolerant	Low	Zone 5b
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
spring spiderlily Hymenocallis liriosme	Wildflower (forb)	3 ft	Sun	Medium	Zone 7b
spruce pine Pinus glabra	Tree	90 ft	Shade-tolerant	Medium	Zone 7a
St. Augustine grass Stenotaphrum secundatum	Grass or grass-like	11 in	Shade-tolerant	High	Zone 7b
St. Peterswort Hypericum crux-andreae	Shrub	2 ft	Sun–part shade	Medium	Zone 6b
stalkless yellowcress Rorippa sessiliflora	Wildflower (forb)	1.5 ft	Sun–part shade	High	Zone 12b
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 azalea Rhododendron viscosum	Shrub	16 ft	Shade-tolerant	High	Zone 5b
swamp chestnut oak Quercus michauxii	Tree	80 ft	Sun	Medium	Zone 5a
swamp doghobble Eubotrys racemosus	Shrub	13 ft	Shade-tolerant	Medium	Zone 4a
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
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
taperleaf water horehound Lycopus rubellus	Wildflower (forb)	1.6 ft	Shade-tolerant	High	Zone 5a
tapertip rush Juncus acuminatus	Grass or grass-like	3 ft	Sun–part shade	High	Zone 4a
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
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
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
two-wing silverbell Halesia diptera	Tree	15 ft	Sun–part shade	—	Zone 8a
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
valdivia duckweed Lemna valdiviana	Wildflower (forb)	1 in	Sun	High	Zone 4a
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 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 water horehound Lycopus virginicus	Wildflower (forb)	4 ft	Shade-tolerant	High	Zone 4a
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 oak Quercus nigra	Tree	90 ft	Sun	High	Zone 5a
water tupelo Nyssa aquatica	Tree	100 ft	Sun	High	Zone 5a
waterpod Hydrolea quadrivalvis	Wildflower (forb)	1.5 ft	Sun	High	Zone 8b
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
wax myrtle Morella cerifera	Tree	10 ft	Sun	High	Zone 7a
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
whiteroot rush Juncus brachycarpus	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 5a
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
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
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 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
wrinkleleaf goldenrod Solidago rugosa	Wildflower (forb)	3.3 ft	Sun–part shade	Medium	Zone 4a
yaupon Ilex vomitoria	Tree	25 ft	Sun–part shade	Low	Zone 8a
yellow passionflower Passiflora lutea	Vine	16 ft	Shade-tolerant	Low	Zone 5a

Other native species recorded here 398

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.

Adam's needle Yucca filamentosa
Alabama supplejack Berchemia scandens
amberique-bean Strophostyles helvola
American bluehearts Buchnera americana
American buckwheat vine Brunnichia ovata
American burnweed Erechtites hieraciifolius
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
anglestem primrose-willow Ludwigia leptocarpa
angularfruit milkvine Matelea gonocarpos
anisescented goldenrod Solidago odora
annual fimbry Fimbristylis annua
annual marsh elder Iva annua
annual ragweed Ambrosia artemisiifolia
aquatic milkweed Asclepias perennis
arrowfeather threeawn Aristida purpurascens
arrowhead rattlebox Crotalaria sagittalis
ashy sunflower Helianthus mollis
Atlantic goldenrod Solidago arguta
Atlantic pigeonwings Clitoria mariana
Atlantic poison oak Toxicodendron pubescens
autumn coralroot Corallorhiza odontorhiza
axilflower Mecardonia acuminata
Baldwin's flatsedge Cyperus croceus
beach false foxglove Agalinis fasciculata
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded flatsedge Cyperus squarrosus
bearded shorthusk Brachyelytrum erectum
bearded skeletongrass Gymnopogon ambiguus
beechdrops Epifagus virginiana
bigpod sesbania Sesbania herbacea
bigseed alfalfa dodder Cuscuta indecora
bigtop lovegrass Eragrostis hirsuta
birdfoot violet Viola pedata
blisterwort Ranunculus recurvatus
blue skullcap Scutellaria lateriflora
bluejacket Tradescantia ohiensis
Bosc's mille graines Oldenlandia boscii
Bosc's panicgrass Dichanthelium boscii
bristly greenbrier Smilax tamnoides
broad beechfern Phegopteris hexagonoptera
brome-like sedge Carex bromoides
button eryngo Eryngium yuccifolium
camphor pluchea Pluchea camphorata
camphorweed Heterotheca subaxillaris
Canada lettuce Lactuca canadensis
Canada toadflax Nuttallanthus canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian woodnettle Laportea canadensis
Carolina canarygrass Phalaris caroliniana
Carolina coralbead Cocculus carolinus
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina larkspur Delphinium carolinianum
Carolina leaf-flower Phyllanthus caroliniensis
Carolina lily Lilium michauxii
Carolina ponysfoot Dichondra carolinensis
Carolina wild petunia Ruellia caroliniensis
carpenter's square Scrophularia marilandica
cedarglade St. Johnswort Hypericum frondosum
chaffweed Anagallis minima
Cherokee sedge Carex cherokeensis
chinquapin Castanea pumila
Christmas fern Polystichum acrostichoides
clammy groundcherry Physalis heterophylla
clasping milkweed Asclepias amplexicaulis
clasping Venus' looking-glass Triodanis perfoliata
claspingleaf St. Johnswort Hypericum gymnanthum
climbing dogbane Trachelospermum difforme
clustered beaksedge Rhynchospora glomerata
clustered blacksnakeroot Sanicula odorata
clustered mille graines Oldenlandia uniflora
coastal lovegrass Eragrostis refracta
coastal plain sedge Carex crebriflora
combleaf mermaidweed Proserpinaca pectinata
combleaf yellow false foxglove Aureolaria pectinata
common boneset Eupatorium perfoliatum
common carpetgrass Axonopus fissifolius
common cinquefoil Potentilla simplex
common threeseed mercury Acalypha rhomboidea
cone-cup spikerush Eleocharis tuberculosa
creeping burhead Echinodorus cordifolius
creeping eryngo Eryngium prostratum
creeping lespedeza Lespedeza repens
crested yellow orchid Platanthera cristata
crippled cranefly Tipularia discolor
crossvine Bignonia capreolata
crowpoison Nothoscordum bivalve
cutleaf evening primrose Oenothera laciniata
cutleaf groundcherry Physalis angulata
cylindricfruit primrose-willow Ludwigia glandulosa
cypress panicgrass Dichanthelium dichotomum
devil's grandmother Elephantopus tomentosus
Dillenius' ticktrefoil Desmodium glabellum
dogfennel Eupatorium capillifolium
downy lobelia Lobelia puberula
downy phlox Phlox pilosa
downy yellow false foxglove Aureolaria virginica
drumheads Polygala cruciata
Drummond's aster Symphyotrichum drummondii
dwarf sundew Drosera brevifolia
early blue violet Viola ×palmata
early buttercup Ranunculus fascicularis
eastern blue-eyed grass Sisyrinchium atlanticum
eastern bluestar Amsonia tabernaemontana
eastern fox sedge Carex triangularis
eastern marsh fern Thelypteris palustris
eastern poison ivy Toxicodendron radicans
eastern silver aster Symphyotrichum concolor
ebony spleenwort Asplenium platyneuron
Elliott's bentgrass Agrostis elliottiana
Elliott's bluestem Andropogon gyrans
Elliott's rush Juncus elliottii
erect centella Centella erecta
eyebane Chamaesyce nutans
fairywand Chamaelirium luteum
false aloe Manfreda virginica
fescue sedge Carex festucacea
fewflower beaksedge Rhynchospora rariflora
fewflower nutrush Scleria pauciflora
fewflower ticktrefoil Desmodium pauciflorum
field lovegrass Eragrostis elliottii
field thistle Cirsium discolor
fiveangled dodder Cuscuta pentagona
floating primrose-willow Ludwigia peploides
Florida paspalum Paspalum floridanum
flowering spurge Euphorbia corollata
forked bluecurls Trichostema dichotomum
fragrant bedstraw Galium triflorum
fragrant spikesedge Kyllinga odorata
fringed nutrush Scleria ciliata
gaping grass Steinchisma hians
garden dewberry Rubus aboriginum
giant bristlegrass Setaria magna
giant ironweed Vernonia gigantea
giant sedge Carex gigantea
globe beaksedge Rhynchospora globularis
globe beaksedge Rhynchospora recognita
globe flatsedge Cyperus echinatus
golden zizia Zizia aurea
goldenclub Orontium aquaticum
grassleaf lettuce Lactuca graminifolia
grassy arrowhead Sagittaria graminea
great ragweed Ambrosia trifida
green adder's-mouth orchid Malaxis unifolia
green antelopehorn Asclepias viridis
green carpetweed Mollugo verticillata
green dragon Arisaema dracontium
greenvein lady's tresses Spiranthes praecox
groovestem Indian plantain Arnoglossum plantagineum
Guadeloupe cucumber Melothria pendula
hairy bedstraw Galium pilosum
hairy clustervine Jacquemontia tamnifolia
hairy fimbry Fimbristylis puberula
hairy skullcap Scutellaria elliptica
hairy sunflower Helianthus hirsutus
hairy umbrella-sedge Fuirena squarrosa
hairyfruit chervil Chaerophyllum tainturieri
handsome Harry Rhexia virginica
harvestbells Gentiana saponaria
heartleaf groundcherry Physalis cordata
heartleaf nettle Urtica chamaedryoides
hedgehog woodrush Luzula echinata
Heller's cudweed Pseudognaphalium helleri
herbwilliam Ptilimnium capillaceum
hirsute sedge Carex complanata
hoary skullcap Scutellaria incana
hoary ticktrefoil Desmodium canescens
hornleaf riverweed Podostemum ceratophyllum
humped bladderwort Utricularia gibba
husk tomato Physalis pubescens
hyssopleaf thoroughwort Eupatorium hyssopifolium
Indian-tobacco Lobelia inflata
Indianpipe Monotropa uniflora
Juda's bush Iresine rhizomatosa
jumpseed Polygonum virginianum
juniper leaf Polypremum procumbens
justiceweed Eupatorium leucolepis
keeled bulrush Isolepis carinata
kidneyleaf mudplantain Heteranthera reniformis
kiss me quick Portulaca pilosa
lanceleaf fogfruit Phyla lanceolata
largebracted plantain Plantago aristata
lax hornpod Mitreola petiolata
leathery rush Juncus coriaceus
Leavenworth's sedge Carex leavenworthii
Leggett's pinweed Lechea pulchella
lesser snakeroot Ageratina aromatica
licorice bedstraw Galium circaezans
little lady's tresses Spiranthes tuberosa
littlehead nutrush Scleria oligantha
lizard's tail Saururus cernuus
longflower beeblossom Oenothera filiformis
longleaf milkweed Asclepias longifolia
Louisiana sedge Carex louisianica
low spearwort Ranunculus pusillus
low spikesedge Kyllinga pumila
lowland rotala Rotala ramosior
man of the earth Ipomoea pandurata
maroon Carolina milkvine Matelea carolinensis
marsh bristlegrass Setaria parviflora
marsh lady's tresses Spiranthes odorata
marsh mermaidweed Proserpinaca palustris
Maryland goldenaster Chrysopsis mariana
Maryland meadowbeauty Rhexia mariana
Maryland milkwort Polygala mariana
mayapple Podophyllum peltatum
meadow garlic Allium canadense
meadow spikemoss Selaginella apoda
Mexican plum Prunus mexicana
Michaux's croton Croton michauxii
mucronate sprangletop Leptochloa panicea
nakedflower ticktrefoil Desmodium nudiflorum
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
northern slender lady's tresses Spiranthes lacera
oak mistletoe Phoradendron leucarpum
October lady's tresses Spiranthes ovalis
oldfield milkvine Matelea decipiens
openflower rosette grass Dichanthelium laxiflorum
pale dock Rumex altissimus
palegreen orchid Platanthera flava
paleleaf woodland sunflower Helianthus strumosus
palespike lobelia Lobelia spicata
Parlin's pussytoes Antennaria parlinii
partridgeberry Mitchella repens
Pennsylvania everlasting Gamochaeta pensylvanica
perfoliate bellwort Uvularia perfoliata
pine barren flatsedge Cyperus retrorsus
pineland threeseed mercury Acalypha ostryifolia
pineywoods dropseed Sporobolus junceus
pink fuzzybean Strophostyles umbellata
pink thoroughwort Fleischmannia incarnata
pinkladies Oenothera speciosa
pointedleaf ticktrefoil Desmodium glutinosum
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
prairie threeawn Aristida oligantha
procession flower Polygala incarnata
prostrate blue violet Viola walteri
prostrate ticktrefoil Desmodium rotundifolium
purple false foxglove Agalinis purpurea
purple meadowparsnip Thaspium trifoliatum
purple passionflower Passiflora incarnata
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
Ravenel's rosette grass Dichanthelium ravenelii
redring milkweed Asclepias variegata
reflexed sedge Carex retroflexa
rice button aster Symphyotrichum dumosum
richweed Collinsonia canadensis
robin's plantain Erigeron pulchellus
rosepink Sabatia angularis
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
Sampson's snakeroot Orbexilum pedunculatum
sand bittercress Cardamine parviflora
sand hickory Carya pallida
satincurls Clematis catesbyana
scaldweed Cuscuta gronovii
scaly blazing star Liatris squarrosa
seedbox Ludwigia alternifolia
sensitive fern Onoclea sensibilis
sensitive partridge pea Chamaecrista nictitans
sessileleaf ticktrefoil Desmodium sessilifolium
shaggy hedgehyssop Gratiola pilosa
shiny wedgescale Sphenopholis nitida
shortleaf skeletongrass Gymnopogon brevifolius
sidebeak pencilflower Stylosanthes biflora
singlehead pussytoes Antennaria solitaria
sixweeks fescue Vulpia octoflora
slender beaksedge Rhynchospora gracilenta
slender crabgrass Digitaria filiformis
slender fimbry Fimbristylis autumnalis
slender Indiangrass Sorghastrum elliottii
slender lespedeza Lespedeza virginica
slender plantain Plantago heterophylla
slender rose gentian Sabatia campanulata
slender threeseed mercury Acalypha gracilens
slender woodland sedge Carex digitalis
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
small woodland sunflower Helianthus microcephalus
Small's blacksnakeroot Sanicula smallii
smallflower thoroughwort Eupatorium semiserratum
smallfruit agrimony Agrimonia microcarpa
smallfruit spikerush Eleocharis microcarpa
smallhead doll's daisy Boltonia diffusa
smooth elephantsfoot Elephantopus nudatus
smooth oxeye Heliopsis helianthoides
smooth small-leaf ticktrefoil Desmodium marilandicum
smooth Solomon's seal Polygonatum biflorum
smooth ticktrefoil Desmodium laevigatum
sneezeweed Helenium amarum
snowy orchid Platanthera nivea
southern crab apple Malus angustifolia
southern dewberry Rubus trivialis
southern twayblade Listera australis
Spanish needles Bidens bipinnata
sparselobe grapefern Botrychium biternatum
spindleroot Ludwigia hirtella
spotted beebalm Monarda punctata
spotted pondweed Potamogeton pulcher
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spring coralroot Corallorhiza wisteriana
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
star tickseed Coreopsis pubescens
stiff cowbane Oxypolis rigidior
stiff yellow flax Linum medium
stinking camphorweed Pluchea foetida
stout rush Juncus nodatus
striped gentian Gentiana villosa
swamp leather flower Clematis crispa
tall rattlesnakeroot Prenanthes altissima
tall thoroughwort Eupatorium altissimum
tall tickseed Coreopsis tripteris
tapered rosette grass Dichanthelium acuminatum
tenlobe false foxglove Agalinis obtusifolia
terrestrial water-starwort Callitriche terrestris
Texas sedge Carex texensis
Texas star Sabatia campestris
Texas vervain Verbena halei
thin paspalum Paspalum setaceum
threadleaf evening primrose Oenothera linifolia
trailing lespedeza Lespedeza procumbens
trailing pearlwort Sagina decumbens
tuberous stoneseed Lithospermum tuberosum
twining snoutbean Rhynchosia tomentosa
twoflower melicgrass Melica mutica
twoleaf watermilfoil Myriophyllum heterophyllum
velvetleaf ticktrefoil Desmodium viridiflorum
Venus' pride Houstonia purpurea
Viola ×primulifolia Viola ×primulifolia
violet lespedeza Lespedeza violacea
violet woodsorrel Oxalis violacea
Virginia bunchflower Veratrum virginicum
Virginia buttonweed Diodia virginiana
Virginia chainfern Woodwardia virginica
Virginia dwarfdandelion Krigia virginica
Virginia groundcherry Physalis virginiana
Virginia pennywort Obolaria virginica
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia snakeroot Aristolochia serpentaria
Virginia tephrosia Tephrosia virginiana
Virginia winged rockcress Sibara virginica
wand lythrum Lythrum lineare
warty panicgrass Panicum verrucosum
water lettuce Pistia stratiotes
waterpurslane Didiplis diandra
wavyleaf aster Symphyotrichum undulatum
white crownbeard Verbesina virginica
white thoroughwort Eupatorium album
white vervain Verbena urticifolia
whitestar Ipomoea lacunosa
whitetinge sedge Carex albicans
whorled marshpennywort Hydrocotyle verticillata
whorled milkweed Asclepias verticillata
whorled milkwort Polygala verticillata
widowsfrill Silene stellata
wild comfrey Cynoglossum virginianum
wild hydrangea Hydrangea arborescens
wild Job's tears Onosmodium virginianum
wild yam Dioscorea villosa
willowleaf aster Symphyotrichum praealtum
woodland lettuce Lactuca floridana
woodland pinkroot Spigelia marilandica
woollysheath threeawn Aristida lanosa
yellow fringed orchid Platanthera ciliaris
yellow thistle Cirsium horridulum
yellowseed false pimpernel Lindernia dubia
zigzag iris Iris brevicaulis

Also listed as native and introduced here 1

PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.

Mexican teaDysphania ambrosioides

Compared with Louisiana

The typical county is the median of the 64 Louisiana counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.

Native species counts, St. Helena Parish and Louisiana
Measure	St. Helena Parish	Typical county	Statewide
Native species	685	587	1,420
Garden-ready natives	287	271	520
Tree	94	—	151
Shrub	30	—	54
Wildflower (forb)	354	—	761
Grass or grass-like	150	—	342
Vine	46	—	74
Fern	11	—	38

Neighboring counties

Counties that share a ZIP code with St. Helena Parish.

Livingston Parish, LA 245 garden-ready
Tangipahoa Parish, LA 300 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: St. Helena Parish (county FIPS 22091), Louisiana. 685 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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