Native plants · Illinois

Native plants of Marion County

594 plant species are recorded as native to Illinois in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Marion County by USDA PLANTS. 247 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 4 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Marion County, Illinois

Native species: 594 Typical Illinois county: 641 (median of 102 counties)
Garden-ready natives: 247 Typical Illinois county: 272
Share by type (all 594 native species): Percent of the 594 native species in each growth type

Tree 9% (55)
Shrub 3% (18)
Wildflower (forb) 60% (359)
Grass or grass-like 20% (119)
Vine 5% (29)
Fern 2% (14)

Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (20%).

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 6b (2023 map).

The native plant list

Garden-ready natives 247

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

Garden-ready native plants of Marion County, Illinois
Plant	Type	Height	Light	Water use	Hardy to
Allegheny blackberry Rubus allegheniensis	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
American bellflower Campanulastrum americanum	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 12b
American bittersweet Celastrus scandens	Vine	15 ft	Shade-tolerant	High	Zone 3b
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 hornbeam Carpinus caroliniana	Tree	30 ft	Shade-tolerant	Medium	Zone 4a
American licorice Glycyrrhiza lepidota	Wildflower (forb)	4 ft	Sun–part shade	High	Zone 3b
American lotus Nelumbo lutea	Wildflower (forb)	3 ft	Sun	High	Zone 3b
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 sycamore Platanus occidentalis	Tree	100 ft	Sun–part shade	High	Zone 4a
American water horehound Lycopus americanus	Wildflower (forb)	1.8 ft	Shade-tolerant	High	Zone 3b
arrowleaf tearthumb Polygonum sagittatum	Vine	1 ft	Sun	Medium	Zone 6a
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
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
Bicknell's sedge Carex bicknellii	Grass or grass-like	3.4 ft	Shade-tolerant	Low	Zone 3b
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
bigtooth aspen Populus grandidentata	Tree	65 ft	Sun	High	Zone 3a
bitternut hickory Carya cordiformis	Tree	75 ft	Sun	Medium	Zone 2b
black cherry Prunus serotina	Tree	80 ft	Sun	Medium	Zone 4a
black maple Acer nigrum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
black oak Quercus velutina	Tree	80 ft	Sun–part shade	Medium	Zone 4a
black raspberry Rubus occidentalis	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
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
bluejoint Calamagrostis canadensis	Grass or grass-like	4.9 ft	Sun	Medium	Zone 4a
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
bluntleaf bedstraw Galium obtusum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4a
bog rush Juncus biflorus	Grass or grass-like	3.5 ft	Shade-tolerant	High	Zone 5b
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 rosette grass Dichanthelium latifolium	Grass or grass-like	3.3 ft	Sun–part shade	Low	Zone 3a
broom sedge Carex scoparia	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 3b
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
bur oak Quercus macrocarpa	Tree	100 ft	Sun–part shade	Medium	Zone 3b
bur-reed sedge Carex sparganioides	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
burningbush Euonymus atropurpureus	Tree	10 ft	Shade-tolerant	Low	—
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
Canada wildrye Elymus canadensis	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3a
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
Carolina 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
cattail sedge Carex typhina	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
climbing rose Rosa setigera	Vine	16 ft	Sun	Low	Zone 6a
coast cockspur grass Echinochloa walteri	Grass or grass-like	6.5 ft	Sun	High	Zone 10b
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 cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
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 hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
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
composite dropseed Sporobolus compositus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
crested sedge Carex cristatella	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
crimsoneyed rosemallow Hibiscus moscheutos	Wildflower (forb)	6.6 ft	Sun	High	Zone 6a
cup plant Silphium perfoliatum	Wildflower (forb)	6 ft	Sun–part shade	—	Zone 2b
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
deertongue Dichanthelium clandestinum	Grass or grass-like	2 ft	Sun	Low	Zone 4a
devil's beggartick Bidens frondosa	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 12a
disk waterhyssop Bacopa rotundifolia	Wildflower (forb)	1 in	Sun	High	Zone 4a
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
downy yellow violet Viola pubescens	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 4a
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
eastern gamagrass Tripsacum dactyloides	Grass or grass-like	5 ft	Sun	High	Zone 5a
eastern narrowleaf sedge Carex amphibola	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 7a
eastern redbud Cercis canadensis	Tree	30 ft	Shade-tolerant	Low	Zone 4b
eastern redcedar Juniperus virginiana	Tree	50 ft	Sun–part shade	Low	Zone 3a
fall panicgrass Panicum dichotomiflorum	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
false daisy Eclipta prostrata	Wildflower (forb)	3.2 ft	Sun–part shade	Medium	Zone 10b
false indigo bush Amorpha fruticosa	Shrub	15 ft	Sun	Low	Zone 3b
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
field paspalum Paspalum laeve	Grass or grass-like	2.9 ft	Sun–part shade	Medium	Zone 6a
field pussytoes Antennaria neglecta	Wildflower (forb)	1 ft	Sun	Low	Zone 3b
flowering dogwood Cornus florida	Tree	30 ft	Shade-tolerant	Low	Zone 4b
fowl mannagrass Glyceria striata	Grass or grass-like	5.7 ft	Shade-tolerant	Medium	Zone 3b
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
Frank's sedge Carex frankii	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 5a
fringeleaf wild petunia Ruellia humilis	Wildflower (forb)	2.6 ft	Shade-tolerant	Low	Zone 4a
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
graybark grape Vitis cinerea	Vine	50 ft	Sun–part shade	Medium	Zone 6b
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green bulrush Scirpus atrovirens	Grass or grass-like	5.9 ft	Sun	Medium	Zone 2a
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
halberdleaf rosemallow Hibiscus laevis	Wildflower (forb)	8 ft	Sun–part shade	High	Zone 6a
harvestlice Agrimonia parviflora	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4a
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
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
Indianhemp Apocynum cannabinum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
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
Jerusalem artichoke Helianthus tuberosus	Wildflower (forb)	9.8 ft	Sun–part shade	Low	Zone 3a
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
lanceleaf loosestrife Lysimachia lanceolata	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 5a
late purple aster Symphyotrichum patens	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 3b
leadplant Amorpha canescens	Shrub	4 ft	Shade-tolerant	Low	Zone 3b
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
limestone wild petunia Ruellia strepens	Wildflower (forb)	3.6 ft	Shade-tolerant	Low	Zone 6a
little barley Hordeum pusillum	Grass or grass-like	1.2 ft	Sun	Medium	Zone 10b
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
longleaf pondweed Potamogeton nodosus	Wildflower (forb)	—	Sun	High	Zone 3b
longleaf starwort Stellaria longifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 3b
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	Zone 4a
Maryland senna Senna marilandica	Wildflower (forb)	6.6 ft	Sun–part shade	Low	Zone 5b
meadow evening primrose Oenothera pilosella	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 5a
Mississippi buttercup Ranunculus laxicaulis	Wildflower (forb)	1.2 ft	Sun–part shade	High	Zone 6b
Missouri goldenrod Solidago missouriensis	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
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
Muskingum sedge Carex muskingumensis	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
narrowleaf blue-eyed grass Sisyrinchium angustifolium	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 7a
needle spikerush Eleocharis acicularis	Grass or grass-like	8 in	Sun	Medium	Zone 5a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
nodding beggartick Bidens cernua	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
nodding fescue Festuca subverticillata	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3a
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
orangegrass Hypericum gentianoides	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12a
oval-leaf sedge Carex cephalophora	Grass or grass-like	2.6 ft	Sun–part shade	Low	Zone 4a
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
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
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
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
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
pinnate prairie coneflower Ratibida pinnata	Wildflower (forb)	4 ft	Sun	Medium	Zone 3b
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 crab apple Malus ioensis	Tree	25 ft	Sun	Medium	Zone 4b
prairie dropseed Sporobolus heterolepis	Grass or grass-like	2.3 ft	Sun–part shade	Low	Zone 3b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
prairie Junegrass Koeleria macrantha	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 3b
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
pride of Ohio Dodecatheon meadia	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 3b
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
purple prairie clover Dalea purpurea	Wildflower (forb)	3 ft	Sun	Medium	Zone 3b
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
quill sedge Carex tenera	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4a
rattlesnake fern Botrychium virginianum	Fern	1.4 ft	Shade-tolerant	Medium	Zone 3b
ravenfoot sedge Carex crus-corvi	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4b
red maple Acer rubrum	Tree	68 ft	Sun–part shade	High	Zone 2b
red mulberry Morus rubra	Tree	70 ft	Shade-tolerant	Medium	Zone 4a
redosier dogwood Cornus sericea	Tree	12 ft	Sun	High	Zone 3b
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
river birch Betula nigra	Tree	70 ft	Sun	High	Zone 4a
riverbank wildrye Elymus riparius	Grass or grass-like	4.5 ft	Shade-tolerant	High	Zone 4a
rough avens Geum laciniatum	Wildflower (forb)	3.1 ft	Sun–part shade	Medium	Zone 5a
roundhead lespedeza Lespedeza capitata	Wildflower (forb)	2.6 ft	Sun	Low	Zone 4b
rufous bulrush Scirpus pendulus	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
sandbar willow Salix interior	Tree	30 ft	Sun	—	Zone 1a
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
sawtooth blackberry Rubus argutus	Shrub	8.2 ft	Sun	Medium	Zone 6a
sawtooth sunflower Helianthus grosseserratus	Wildflower (forb)	5 ft	Sun	Medium	Zone 3a
scarlet Indian paintbrush Castilleja coccinea	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 4b
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
sharpwing monkeyflower Mimulus alatus	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 5a
shellbark hickory Carya laciniosa	Tree	100 ft	Shade-tolerant	High	Zone 5a
shingle oak Quercus imbricaria	Tree	45 ft	Sun	Medium	Zone 5b
Short's sedge Carex shortiana	Grass or grass-like	3 ft	Sun–part shade	High	Zone 5b
shrubby St. Johnswort Hypericum prolificum	Shrub	3.2 ft	Sun–part shade	High	Zone 4b
silky dogwood Cornus amomum	Shrub	10 ft	Sun–part shade	High	Zone 3b
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slender spikerush Eleocharis tenuis	Grass or grass-like	2.9 ft	Sun	Low	Zone 5a
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 phlox Phlox glaberrima	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 4b
smooth sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
southern waternymph Najas guadalupensis	Wildflower (forb)	1 ft	Sun	High	Zone 3b
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
spring avens Geum vernum	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 5b
squarestem spikerush Eleocharis quadrangulata	Grass or grass-like	4 ft	Sun	High	Zone 4b
squarrose sedge Carex squarrosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
stiff goldenrod Oligoneuron rigidum	Wildflower (forb)	3.6 ft	Sun–part shade	Medium	Zone 3a
strawcolored flatsedge Cyperus strigosus	Grass or grass-like	3.2 ft	Sun	Medium	Zone 4a
sugar maple Acer saccharum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
summer grape Vitis aestivalis	Vine	30 ft	Shade-tolerant	Medium	Zone 5a
swamp milkweed Asclepias incarnata	Wildflower (forb)	4.9 ft	Sun	High	Zone 3b
swamp rose Rosa palustris	Shrub	8.2 ft	Shade-tolerant	Medium	Zone 4a
swamp smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
sweet woodreed Cinna arundinacea	Grass or grass-like	4.9 ft	Shade-tolerant	Low	Zone 4a
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
tapertip flatsedge Cyperus acuminatus	Grass or grass-like	1.3 ft	Sun–part shade	High	Zone 3b
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
tiny mousetail Myosurus minimus	Wildflower (forb)	5 in	Sun–part shade	Medium	Zone 12b
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
tuliptree Liriodendron tulipifera	Tree	120 ft	Sun	Medium	Zone 5b
Virginia bluebells Mertensia virginica	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 4b
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 spiderwort Tradescantia virginiana	Wildflower (forb)	1.1 ft	Sun–part shade	Medium	Zone 3b
Virginia threeseed mercury Acalypha virginica	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 10b
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 knotweed Polygonum amphibium	Wildflower (forb)	1 in	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 doll's daisy Boltonia asteroides	Wildflower (forb)	8 ft	Sun–part shade	Medium	Zone 3b
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 blue phlox Phlox divaricata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
winged sumac Rhus copallinum	Tree	8 ft	Sun	Low	Zone 4b
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
woodland bluegrass Poa sylvestris	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a

Other native species recorded here 347

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 and Eve Aplectrum hyemale
Allegheny monkeyflower Mimulus ringens
amberique-bean Strophostyles helvola
American alumroot Heuchera americana
American bladdernut Staphylea trifolia
American burnweed Erechtites hieraciifolius
American false pennyroyal Hedeoma pulegioides
American ginseng Panax quinquefolius
American ipecac Gillenia stipulata
American lopseed Phryma leptostachya
American white waterlily Nymphaea odorata
aromatic aster Symphyotrichum oblongifolium
arrowhead rattlebox Crotalaria sagittalis
arrowleaf violet Viola sagittata
ashy sunflower Helianthus mollis
Aunt Lucy Ellisia nyctelea
Baldwin's ironweed Vernonia baldwinii
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded flatsedge Cyperus squarrosus
bearded shorthusk Brachyelytrum erectum
biennial beeblossom Oenothera gaura
big devils beggartick Bidens vulgata
blackseed plantain Plantago rugelii
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
bloody butcher Trillium recurvatum
blue sedge Carex glaucodea
blue skullcap Scutellaria lateriflora
blue waxweed Cuphea viscosissima
bluejacket Tradescantia ohiensis
bluntlobe cliff fern Woodsia obtusa
bog yellowcress Rorippa palustris
Bosc's panicgrass Dichanthelium boscii
bristly greenbrier Smilax tamnoides
bristly scaleseed Spermolepis echinata
broad beechfern Phegopteris hexagonoptera
brown widelip orchid Liparis liliifolia
browneyed Susan Rudbeckia triloba
buffalo clover Trifolium reflexum
bushy knotweed Polygonum ramosissimum
button eryngo Eryngium yuccifolium
buttonbush dodder Cuscuta cephalanthi
Canada lettuce Lactuca canadensis
Canada toadflax Nuttallanthus canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian wildginger Asarum canadense
Carey's sedge Carex careyana
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina leaf-flower Phyllanthus caroliniensis
Carolina sedge Carex caroliniana
carpenter's square Scrophularia marilandica
Chapman's bluegrass Poa chapmaniana
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
clammy hedgehyssop Gratiola neglecta
clasping Venus' looking-glass Triodanis perfoliata
Clayton's sweetroot Osmorhiza claytonii
climbing false buckwheat Polygonum scandens
clustered blacksnakeroot Sanicula odorata
clustered fescue Festuca paradoxa
common boneset Eupatorium perfoliatum
common cinquefoil Potentilla simplex
common dittany Cunila origanoides
common milkweed Asclepias syriaca
common threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
compact dodder Cuscuta compacta
compassplant Silphium laciniatum
crowpoison Nothoscordum bivalve
Culver's root Veronicastrum virginicum
curlytop knotweed Polygonum lapathifolium
cutleaf evening primrose Oenothera laciniata
cutleaf grapefern Botrychium dissectum
cutleaf toothwort Cardamine concatenata
Davis' sedge Carex davisii
Dillenius' ticktrefoil Desmodium glabellum
downy carrionflower Smilax pulverulenta
downy gentian Gentiana puberulenta
downy pagoda-plant Blephilia ciliata
downy phlox Phlox pilosa
Dudley's rush Juncus dudleyi
dutchman's breeches Dicentra cucullaria
dwarf horseweed Conyza ramosissima
dwarf larkspur Delphinium tricorne
dwarf plantain Plantago pusilla
early goldenrod Solidago juncea
eastern bluestar Amsonia tabernaemontana
eastern bottlebrush grass Elymus hystrix
eastern false rue anemone Enemion biternatum
eastern greenviolet Hybanthus concolor
eastern poison ivy Toxicodendron radicans
ebony spleenwort Asplenium platyneuron
Elliott's bentgrass Agrostis elliottiana
elmleaf goldenrod Solidago ulmifolia
fall phlox Phlox paniculata
fall witchgrass Digitaria cognata
feathery false lily of the valley Maianthemum racemosum
fernleaf phacelia Phacelia bipinnatifida
fescue sedge Carex festucacea
feverwort Triosteum perfoliatum
field pansy Viola bicolor
field thistle Cirsium discolor
fiveangled dodder Cuscuta pentagona
floating primrose-willow Ludwigia peploides
flowering spurge Euphorbia corollata
fluxweed Trichostema brachiatum
fourleaf yam Dioscorea quaternata
foxtail barley Hordeum jubatum
fragrant bedstraw Galium triflorum
fuzzy wuzzy sedge Carex hirsutella
giant ironweed Vernonia gigantea
glade fern Diplazium pycnocarpon
globe flatsedge Cyperus echinatus
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
gravelweed Verbesina helianthoides
great Indian plantain Arnoglossum reniforme
great ragweed Ambrosia trifida
Greek valerian Polemonium reptans
green antelopehorn Asclepias viridis
green carpetweed Mollugo verticillata
green comet milkweed Asclepias viridiflora
green fringed orchid Platanthera lacera
green milkweed Asclepias hirtella
hairy beardtongue Penstemon hirsutus
hairy bedstraw Galium pilosum
hairy forked nailwort Paronychia fastigiata
hairy hawkweed Hieracium longipilum
hairy hedgenettle Stachys pilosa
hairy pagoda-plant Blephilia hirsuta
hairy small-leaf ticktrefoil Desmodium ciliare
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairyjoint meadowparsnip Thaspium barbinode
harbinger of spring Erigenia bulbosa
heavy sedge Carex gravida
hedge false bindweed Calystegia sepium
Heller's rosette grass Dichanthelium oligosanthes
hoary mountainmint Pycnanthemum incanum
hoary puccoon Lithospermum canescens
hoary ticktrefoil Desmodium canescens
hoary verbena Verbena stricta
hogwort Croton capitatus
humped bladderwort Utricularia gibba
Indian-tobacco Lobelia inflata
inflated narrow-leaf sedge Carex grisea
James' sedge Carex jamesii
jumpseed Polygonum virginianum
lanceleaf fogfruit Phyla lanceolata
lanceleaf ragweed Ambrosia bidentata
largebract ticktrefoil Desmodium cuspidatum
largebracted plantain Plantago aristata
largeflower bellwort Uvularia grandiflora
lateflowering thoroughwort Eupatorium serotinum
lesser yellow lady's slipper Cypripedium parviflorum
licorice bedstraw Galium circaezans
longflower beeblossom Oenothera filiformis
longleaf groundcherry Physalis longifolia
longsepal beardtongue Penstemon calycosus
longstyle sweetroot Osmorhiza longistylis
low false bindweed Calystegia spithamaea
low spearwort Ranunculus pusillus
lowland bladderfern Cystopteris protrusa
lowland rotala Rotala ramosior
man of the earth Ipomoea pandurata
manyfruit primrose-willow Ludwigia polycarpa
marginal woodfern Dryopteris marginalis
marsh bristlegrass Setaria parviflora
mayapple Podophyllum peltatum
meadow garlic Allium canadense
meadow spikemoss Selaginella apoda
Michaux's croton Croton michauxii
nakedflower ticktrefoil Desmodium nudiflorum
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf vervain Verbena simplex
neckweed Veronica peregrina
New England aster Symphyotrichum novae-angliae
nits and lice Hypericum drummondii
nodding chickweed Cerastium nutans
northern dewberry Rubus flagellaris
Nuttall's prairie parsley Polytaenia nuttallii
Nuttall's ticktrefoil Desmodium nuttallii
obedient plant Physostegia virginiana
Ontario blazing star Liatris cylindracea
pale beardtongue Penstemon pallidus
pale dock Rumex altissimus
paleleaf woodland sunflower Helianthus strumosus
palespike lobelia Lobelia spicata
Parlin's pussytoes Antennaria parlinii
Pennsylvania pellitory Parietaria pensylvanica
Pennsylvania sedge Carex pensylvanica
Philadelphia panicgrass Panicum philadelphicum
pink fuzzybean Strophostyles umbellata
pleatleaf knotweed Polygonum tenue
pointedleaf ticktrefoil Desmodium glutinosum
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prairie ironweed Vernonia fasciculata
prairie rose Rosa arkansana
prairie rosinweed Silphium terebinthinaceum
prairie threeawn Aristida oligantha
prairie violet Viola pedatifida
prostrate ticktrefoil Desmodium rotundifolium
purple false foxglove Agalinis purpurea
purple fringeless orchid Platanthera peramoena
purple meadow-rue Thalictrum dasycarpum
purple meadowparsnip Thaspium trifoliatum
purple milkweed Asclepias purpurascens
purple milkwort Polygala sanguinea
purple passionflower Passiflora incarnata
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
redwhisker clammyweed Polanisia dodecandra
reflexed sedge Carex retroflexa
Richardson's alumroot Heuchera richardsonii
rock buttercup Ranunculus micranthus
rock muhly Muhlenbergia sobolifera
rock polypody Polypodium virginianum
rope dodder Cuscuta glomerata
rosepink Sabatia angularis
rosy sedge Carex rosea
rough barnyardgrass Echinochloa muricata
rough hawkweed Hieracium scabrum
rough rattlesnakeroot Prenanthes aspera
roundfruit hedgehyssop Gratiola virginiana
roundseed panicgrass Dichanthelium sphaerocarpon
roundseed St. Johnswort Hypericum sphaerocarpum
s-curve threeawn Aristida ramosissima
Sampson's snakeroot Orbexilum pedunculatum
sand bittercress Cardamine parviflora
scaldweed Cuscuta gronovii
scaly blazing star Liatris squarrosa
seedbox Ludwigia alternifolia
sensitive fern Onoclea sensibilis
sessileleaf ticktrefoil Desmodium sessilifolium
shining bedstraw Galium concinnum
shortbeak sedge Carex brevior
shortpod draba Draba brachycarpa
showy orchid Galearis spectabilis
showy ticktrefoil Desmodium canadense
shrubby lespedeza Lespedeza frutescens
silky dogwood Cornus obliqua
sixweeks fescue Vulpia octoflora
skyblue aster Symphyotrichum oolentangiense
sleepy silene Silene antirrhina
slender crabgrass Digitaria filiformis
slender lespedeza Lespedeza virginica
slender snakecotton Froelichia gracilis
slender threeseed mercury Acalypha gracilens
slender wedgescale Sphenopholis intermedia
slender yellow woodsorrel Oxalis dillenii
slenderleaf false foxglove Agalinis tenuifolia
slickseed fuzzybean Strophostyles leiosperma
slimflower muhly Muhlenbergia tenuiflora
slimspike threeawn Aristida longespica
small pondweed Potamogeton pusillus
small skullcap Scutellaria parvula
smallhead doll's daisy Boltonia diffusa
Smith's bulrush Schoenoplectiella smithii
smooth false buttonweed Spermacoce glabra
smooth forked nailwort Paronychia canadensis
smooth oxeye Heliopsis helianthoides
smooth rockcress Arabis laevigata
smooth Solomon's seal Polygonatum biflorum
smooth yellow false foxglove Aureolaria flava
Spanish needles Bidens bipinnata
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading dogbane Apocynum androsaemifolium
spring blue eyed Mary Collinsia verna
spring coralroot Corallorhiza wisteriana
spring forget-me-not Myosotis verna
starved panicgrass Dichanthelium depauperatum
stiff cowbane Oxypolis rigidior
stiff sunflower Helianthus pauciflorus
stiff tickseed Coreopsis palmata
stiff ticktrefoil Desmodium obtusum
stiff yellow flax Linum medium
stout rush Juncus nodatus
striped cream violet Viola striata
swamp verbena Verbena hastata
sweet coneflower Rudbeckia subtomentosa
tall blazing star Liatris aspera
tall blue lettuce Lactuca biennis
tall thimbleweed Anemone virginiana
tall thoroughwort Eupatorium altissimum
tall tickseed Coreopsis tripteris
terrestrial water-starwort Callitriche terrestris
Texas star Sabatia campestris
thin paspalum Paspalum setaceum
three-lobe violet Viola triloba
threeflower melicgrass Melica nitens
tower rockcress Arabis glabra
trailing lespedeza Lespedeza procumbens
trailing pearlwort Sagina decumbens
tufted lovegrass Eragrostis pectinacea
tumble windmill grass Chloris verticillata
twinleaf Jeffersonia diphylla
twoflower dwarfdandelion Krigia biflora
twoflower melicgrass Melica mutica
upright carrionflower Smilax ecirrhata
veiny skullcap Scutellaria nervosa
Venus' pride Houstonia purpurea
violet lespedeza Lespedeza violacea
violet woodsorrel Oxalis violacea
Virginia mountainmint Pycnanthemum virginianum
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia springbeauty Claytonia virginica
Virginia tephrosia Tephrosia virginiana
Virginia winged rockcress Sibara virginica
warty spurge Euphorbia spathulata
watershield Brasenia schreberi
waxyleaf meadow-rue Thalictrum revolutum
western tansymustard Descurainia pinnata
white bergamot Monarda clinopodia
white blue-eyed grass Sisyrinchium albidum
white fawnlily Erythronium albidum
white goldenrod Solidago bicolor
white heath aster Symphyotrichum ericoides
white snakeroot Ageratina altissima
white vervain Verbena urticifolia
whiteflower leafcup Polymnia canadensis
whitestar Ipomoea lacunosa
wholeleaf rosinweed Silphium integrifolium
whorled milkweed Asclepias verticillata
whorled milkwort Polygala verticillata
whorled mountainmint Pycnanthemum verticillatum
widowsfrill Silene stellata
wild hydrangea Hydrangea arborescens
wild quinine Parthenium integrifolium
wild yam Dioscorea villosa
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
witchgrass Panicum capillare
woman's tobacco Antennaria plantaginifolia
woodland lettuce Lactuca floridana
woodland sunflower Helianthus divaricatus
yellow water buttercup Ranunculus flabellaris
yellowfruit sedge Carex annectens
yellowseed false pimpernel Lindernia dubia

Also listed as native and introduced here 4

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
bride's feathersAruncus dioicus
common reedPhragmites australis
Kentucky bluegrassPoa pratensis

Compared with Illinois

The typical county is the median of the 102 Illinois 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, Marion County and Illinois
Measure	Marion County	Typical county	Statewide
Native species	594	641	1,909
Garden-ready natives	247	272	652
Tree	55	—	187
Shrub	18	—	96
Wildflower (forb)	359	—	1,015
Grass or grass-like	119	—	444
Vine	29	—	79
Fern	14	—	88

Neighboring counties

Counties that share a ZIP code with Marion County.

Clay County, IL 219 garden-ready
Clinton County, IL 188 garden-ready
Fayette County, IL 301 garden-ready
Jefferson County, IL 214 garden-ready
Washington County, IL 245 garden-ready
Wayne County, IL 220 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: Marion County (county FIPS 17121), Illinois. 594 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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