Native plants · Illinois

Native plants of Winnebago County

939 plant species are recorded as native to Illinois in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Winnebago County by USDA PLANTS. 368 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

Winnebago County, Illinois

Native species: 939 Typical Illinois county: 641 (median of 102 counties)
Garden-ready natives: 368 Typical Illinois county: 272
Share by type (all 939 native species): Percent of the 939 native species in each growth type

Tree 8% (75)
Shrub 5% (46)
Wildflower (forb) 58% (546)
Grass or grass-like 22% (210)
Vine 3% (30)
Fern 3% (32)

Wildflowers make up the largest share of the native list (58%), 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 5b (2023 map).

The native plant list

Garden-ready natives 368

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

Garden-ready native plants of Winnebago County, Illinois
Plant	Type	Height	Light	Water use	Hardy to
Allegheny blackberry Rubus allegheniensis	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
Allegheny serviceberry Amelanchier laevis	Tree	35 ft	Shade-tolerant	Medium	Zone 3b
alternateleaf dogwood Cornus alternifolia	Tree	25 ft	Shade-tolerant	Medium	Zone 2b
American basswood Tilia americana	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
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 black currant Ribes americanum	Shrub	3 ft	—	—	Zone 2b
American bur-reed Sparganium americanum	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 4a
American eelgrass Vallisneria americana	Wildflower (forb)	1 ft	Sun	High	Zone 4a
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 plum Prunus americana	Tree	24 ft	Sun	Medium	Zone 3b
American red raspberry Rubus idaeus	Shrub	6 ft	Shade-tolerant	—	Zone 1a
American sycamore Platanus occidentalis	Tree	100 ft	Sun–part shade	High	Zone 4a
American vetch Vicia americana	Vine	1.3 ft	Sun	Low	Zone 3b
American water horehound Lycopus americanus	Wildflower (forb)	1.8 ft	Shade-tolerant	High	Zone 3b
American water plantain Alisma subcordatum	Wildflower (forb)	6 in	Sun	High	Zone 4a
American water-willow Justicia americana	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
American witchhazel Hamamelis virginiana	Tree	20 ft	Sun–part shade	Medium	Zone 4b
arctic brome Bromus kalmii	Grass or grass-like	3 ft	Shade-tolerant	Low	Zone 4a
arrowleaf tearthumb Polygonum sagittatum	Vine	1 ft	Sun	Medium	Zone 6a
arumleaf arrowhead Sagittaria cuneata	Wildflower (forb)	2.6 ft	Sun	Medium	Zone 4a
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
awlfruit sedge Carex stipata	Grass or grass-like	3.5 ft	Shade-tolerant	Medium	Zone 3b
bearded beggarticks Bidens aristosa	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12b
Bebb's sedge Carex bebbii	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 3b
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 chokeberry Aronia melanocarpa	Shrub	6 ft	Shade-tolerant	—	Zone 9b
black huckleberry Gaylussacia baccata	Shrub	4 ft	Shade-tolerant	Low	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 willow Salix nigra	Tree	100 ft	Sun	High	Zone 1b
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blackhaw Viburnum prunifolium	Tree	16 ft	Shade-tolerant	Medium	Zone 4a
blue cohosh Caulophyllum thalictroides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
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 birch Betula pumila	Shrub	20 ft	Sun	Medium	Zone 3b
bog goldenrod Solidago uliginosa	Wildflower (forb)	2.5 ft	Sun–part shade	High	Zone 5a
bog rush Juncus biflorus	Grass or grass-like	3.5 ft	Shade-tolerant	High	Zone 5b
bog willowherb Epilobium leptophyllum	Wildflower (forb)	3.6 ft	Sun–part shade	High	Zone 4a
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
bristly dewberry Rubus hispidus	Shrub	2 ft	Sun	High	Zone 3b
broadfruit bur-reed Sparganium eurycarpum	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
broadleaf arrowhead Sagittaria latifolia	Wildflower (forb)	4.9 ft	Sun	High	Zone 4a
broadleaf cattail Typha latifolia	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 3b
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
buffalograss Bouteloua dactyloides	Grass or grass-like	6 in	Sun	Medium	Zone 3b
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
butternut Juglans cinerea	Tree	80 ft	Sun	Medium	Zone 4a
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
Canada yew Taxus canadensis	Shrub	5 ft	Shade-tolerant	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
Canadian milkvetch Astragalus canadensis	Wildflower (forb)	6 in	Sun	Medium	Zone 3b
Canadian rush Juncus canadensis	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
Canadian waterweed Elodea canadensis	Wildflower (forb)	—	Sun	High	Zone 4a
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
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
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
chokecherry Prunus virginiana	Tree	25 ft	Sun	Medium	Zone 3a
cinnamon fern Osmunda cinnamomea	Fern	4.9 ft	Shade-tolerant	Medium	Zone 4a
climbing rose Rosa setigera	Vine	16 ft	Sun	Low	Zone 6a
closed bottle gentian Gentiana andrewsii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
clustered field sedge Carex praegracilis	Grass or grass-like	2 ft	Sun–part shade	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 blue wood aster Symphyotrichum cordifolium	Wildflower (forb)	5 ft	Sun	Low	Zone 3b
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 duckweed Lemna minor	Wildflower (forb)	—	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 ninebark Physocarpus opulifolius	Shrub	10 ft	Sun	Low	Zone 4a
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 sneezeweed Helenium autumnale	Wildflower (forb)	4.9 ft	Sun	Medium	Zone 3a
common snowberry Symphoricarpos albus	Shrub	3 ft	Sun	Medium	Zone 3b
common spikerush Eleocharis palustris	Grass or grass-like	1.3 ft	Sun	High	Zone 3b
common threesquare Schoenoplectus pungens	Grass or grass-like	4.9 ft	Sun	High	Zone 3b
common winterberry Ilex verticillata	Tree	10 ft	Sun–part shade	High	Zone 4b
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
crested woodfern Dryopteris cristata	Fern	1.6 ft	Shade-tolerant	High	Zone 4a
cup plant Silphium perfoliatum	Wildflower (forb)	6 ft	Sun–part shade	—	Zone 2b
cursed buttercup Ranunculus sceleratus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 12b
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
devil's darning needles Clematis virginiana	Vine	15 ft	Sun–part shade	Medium	Zone 3b
ditch stonecrop Penthorum sedoides	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 4b
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
downy arrowwood Viburnum rafinesqueanum	Shrub	6 ft	Shade-tolerant	Low	Zone 3a
downy paintedcup Castilleja sessiliflora	Wildflower (forb)	1.3 ft	Sun	Low	Zone 3b
downy yellow violet Viola pubescens	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 4a
drooping woodreed Cinna latifolia	Grass or grass-like	4.5 ft	Sun–part shade	High	Zone 3b
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 narrowleaf sedge Carex amphibola	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 7a
eastern purple coneflower Echinacea purpurea	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4a
eastern redcedar Juniperus virginiana	Tree	50 ft	Sun–part shade	Low	Zone 3a
eastern white pine Pinus strobus	Tree	150 ft	Sun–part shade	Medium	Zone 4a
eastern woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
fall panicgrass Panicum dichotomiflorum	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
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 pussytoes Antennaria neglecta	Wildflower (forb)	1 ft	Sun	Low	Zone 3b
fireweed Chamerion angustifolium	Wildflower (forb)	5.5 ft	Sun–part shade	High	Zone 3b
flatstem pondweed Potamogeton zosteriformis	Wildflower (forb)	—	Sun	High	Zone 3b
flatstem spikerush Eleocharis compressa	Grass or grass-like	2 ft	Sun	High	Zone 4a
floating pondweed Potamogeton natans	Wildflower (forb)	—	Sun	High	Zone 3b
fowl bluegrass Poa palustris	Grass or grass-like	4 ft	Sun–part shade	Medium	Zone 3b
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
fragrant flatsedge Cyperus odoratus	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
fringed brome Bromus ciliatus	Grass or grass-like	4 ft	Shade-tolerant	Medium	Zone 7a
fringed sedge Carex crinita	Grass or grass-like	5.2 ft	Sun–part shade	Medium	Zone 4a
fringeleaf wild petunia Ruellia humilis	Wildflower (forb)	2.6 ft	Shade-tolerant	Low	Zone 4a
Georgia bulrush Scirpus georgianus	Grass or grass-like	4.5 ft	Sun–part shade	Medium	Zone 3b
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
golden ragwort Packera aurea	Wildflower (forb)	3.9 ft	Shade-tolerant	High	Zone 3a
graceful sedge Carex gracillima	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4a
grassleaf rush Juncus marginatus	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 5a
gray alder Alnus incana	Tree	25 ft	Sun–part shade	High	Zone 4a
gray birch Betula populifolia	Tree	25 ft	Sun–part shade	Low	Zone 3b
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
Gray's sedge Carex grayi	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
great St. Johnswort Hypericum ascyron	Wildflower (forb)	5 ft	Sun	Medium	Zone 5a
greater straw sedge Carex normalis	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4a
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
greenwhite sedge Carex albolutescens	Grass or grass-like	3.9 ft	Sun–part shade	Medium	Zone 3b
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
hairy sedge Carex lacustris	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4b
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
hairyfruit sedge Carex trichocarpa	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
harvestlice Agrimonia parviflora	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4a
highbush blueberry Vaccinium corymbosum	Shrub	12 ft	Shade-tolerant	Medium	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
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
inland sedge Carex interior	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
interrupted fern Osmunda claytoniana	Fern	4 ft	Shade-tolerant	High	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
Kentucky coffeetree Gymnocladus dioicus	Tree	100 ft	Sun	Medium	Zone 4a
kinnikinnick Arctostaphylos uva-ursi	Shrub	6 in	Sun–part shade	Low	Zone 4a
knotted rush Juncus nodosus	Grass or grass-like	2 ft	Sun	Medium	Zone 4b
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
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
limestone bittercress Cardamine douglassii	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4a
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
longbeak buttercup Ranunculus longirostris	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4b
longhair sedge Carex comosa	Grass or grass-like	5 ft	Sun–part shade	High	Zone 4b
longleaf pondweed Potamogeton nodosus	Wildflower (forb)	—	Sun	High	Zone 3b
longleaf starwort Stellaria longifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 3b
lowbush blueberry Vaccinium angustifolium	Shrub	2 ft	Sun	Medium	Zone 4a
mapleleaf viburnum Viburnum acerifolium	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
marsh bellflower Campanula aparinoides	Wildflower (forb)	2 ft	Sun	High	Zone 3b
marsh muhly Muhlenbergia racemosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	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
Mexican muhly Muhlenbergia mexicana	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4a
Missouri goldenrod Solidago missouriensis	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
Missouri River willow Salix eriocephala	Tree	52 ft	Shade-tolerant	High	Zone 3b
Muskingum sedge Carex muskingumensis	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
nannyberry Viburnum lentago	Tree	28 ft	Shade-tolerant	Medium	Zone 4a
narrowleaf blue-eyed grass Sisyrinchium angustifolium	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 7a
necklace sedge Carex projecta	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 4a
needle and thread Hesperostipa comata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
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
nimblewill Muhlenbergia schreberi	Grass or grass-like	3.2 ft	Shade-tolerant	Low	Zone 4a
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
nodding lady's tresses Spiranthes cernua	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
northern bedstraw Galium boreale	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
northern bush honeysuckle Diervilla lonicera	Shrub	2.4 ft	Sun–part shade	Low	Zone 5a
northern maidenhair Adiantum pedatum	Fern	1.3 ft	Shade-tolerant	Medium	Zone 3b
northern red oak Quercus rubra	Tree	81 ft	Sun–part shade	Medium	Zone 3b
Northwest Territory sedge Carex utriculata	Grass or grass-like	3.5 ft	Sun	High	Zone 3a
old man's whiskers Geum triflorum	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
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
pale touch-me-not Impatiens pallida	Wildflower (forb)	8.2 ft	Shade-tolerant	Medium	Zone 10b
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
peachleaf willow Salix amygdaloides	Tree	60 ft	Sun	High	Zone 4a
Pennsylvania bittercress Cardamine pensylvanica	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 4a
Pennsylvania buttercup Ranunculus pensylvanicus	Wildflower (forb)	3.9 ft	Shade-tolerant	High	Zone 4b
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
pickerelweed Pontederia cordata	Wildflower (forb)	3.2 ft	Sun	High	Zone 5a
pin cherry Prunus pensylvanica	Tree	30 ft	Sun	Medium	Zone 3b
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
pinnate prairie coneflower Ratibida pinnata	Wildflower (forb)	4 ft	Sun	Medium	Zone 3b
pipsissewa Chimaphila umbellata	Shrub	1.5 ft	Shade-tolerant	Low	Zone 3b
porcupinegrass Hesperostipa spartea	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
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 cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
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 sandreed Calamovilfa longifolia	Grass or grass-like	4.5 ft	Sun	Medium	Zone 3b
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 avens Geum rivale	Wildflower (forb)	3 ft	Sun	High	Zone 4a
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
purpleleaf willowherb Epilobium coloratum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 4a
purplestem aster Symphyotrichum puniceum	Wildflower (forb)	8.1 ft	Sun	High	Zone 3b
purplestem beggarticks Bidens connata	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
pussy willow Salix discolor	Tree	40 ft	Shade-tolerant	High	Zone 4a
quaking aspen Populus tremuloides	Tree	65 ft	Sun	High	Zone 1a
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 elderberry Sambucus racemosa	Tree	18 ft	Sun–part shade	High	Zone 4a
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
redroot flatsedge Cyperus erythrorhizos	Grass or grass-like	2.5 ft	Sun	Medium	Zone 11a
reed canarygrass Phalaris arundinacea	Grass or grass-like	5 ft	Sun	High	Zone 3b
rice cutgrass Leersia oryzoides	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
river bulrush Bolboschoenus fluviatilis	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
rough avens Geum laciniatum	Wildflower (forb)	3.1 ft	Sun–part shade	Medium	Zone 5a
rough bedstraw Galium asprellum	Wildflower (forb)	5.9 ft	Shade-tolerant	Medium	Zone 4a
rough bentgrass Agrostis scabra	Grass or grass-like	2.5 ft	Sun	Medium	Zone 3b
roughfruit amaranth Amaranthus tuberculatus	Wildflower (forb)	6.6 ft	Sun	High	Zone 4a
roundhead lespedeza Lespedeza capitata	Wildflower (forb)	2.6 ft	Sun	Low	Zone 4b
roundleaf dogwood Cornus rugosa	Tree	10 ft	Shade-tolerant	Low	Zone 4b
rufous bulrush Scirpus pendulus	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
sageleaf willow Salix candida	Shrub	6 ft	Sun–part shade	High	Zone 4a
sago pondweed Stuckenia pectinata	Wildflower (forb)	—	Sun	High	Zone 3b
sand dropseed Sporobolus cryptandrus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
sandbar willow Salix interior	Tree	30 ft	Sun	—	Zone 1a
sandcherry Prunus pumila	Shrub	6 ft	Shade-tolerant	Low	Zone 4a
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
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
shining willow Salix lucida	Tree	13 ft	Sun–part shade	High	Zone 3a
Short's sedge Carex shortiana	Grass or grass-like	3 ft	Sun–part shade	High	Zone 5b
shortawn foxtail Alopecurus aequalis	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 3b
sideoats grama Bouteloua curtipendula	Grass or grass-like	3 ft	Sun	Medium	Zone 3a
silky dogwood Cornus amomum	Shrub	10 ft	Sun–part shade	High	Zone 3b
silky willow Salix sericea	Tree	12 ft	Sun–part shade	High	Zone 4b
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
skunk cabbage Symplocarpus foetidus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 4a
slender flatsedge Cyperus bipartitus	Grass or grass-like	5 ft	Sun	Medium	Zone 10b
slender wheatgrass Elymus trachycaulus	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
slimstem reedgrass Calamagrostis stricta	Grass or grass-like	3 ft	Sun–part shade	High	Zone 3a
slippery elm Ulmus rubra	Tree	85 ft	Shade-tolerant	High	Zone 3a
small white violet Viola macloskeyi	Wildflower (forb)	6 in	Shade-tolerant	High	Zone 4b
smallhead rush Juncus brachycephalus	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4b
smallspike false nettle Boehmeria cylindrica	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
smooth blue aster Symphyotrichum laeve	Wildflower (forb)	4 ft	Sun	Medium	Zone 3a
smooth hedgenettle Stachys tenuifolia	Wildflower (forb)	25 ft	Shade-tolerant	High	Zone 4a
smooth horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
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
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
spotted joe pye weed Eutrochium maculatum	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4b
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
spreading yellowcress Rorippa sinuata	Wildflower (forb)	1 ft	Sun	Medium	Zone 3b
spring avens Geum vernum	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 5b
squarrose sedge Carex squarrosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
staghorn sumac Rhus typhina	Tree	30 ft	Sun–part shade	Low	Zone 4a
star duckweed Lemna trisulca	Wildflower (forb)	4 in	Sun	High	Zone 3b
star sedge Carex echinata	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
stiff goldenrod Oligoneuron rigidum	Wildflower (forb)	3.6 ft	Sun–part shade	Medium	Zone 3a
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
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 rose Rosa palustris	Shrub	8.2 ft	Shade-tolerant	Medium	Zone 4a
swamp smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
swamp white oak Quercus bicolor	Tree	100 ft	Sun–part shade	High	Zone 4b
sweet fern Comptonia peregrina	Shrub	2 ft	Sun–part shade	Low	Zone 3b
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
tall cinquefoil Potentilla arguta	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3b
tall cottongrass Eriophorum angustifolium	Grass or grass-like	2 ft	Sun	High	Zone 3a
tall hairy agrimony Agrimonia gryposepala	Wildflower (forb)	5.9 ft	Sun–part shade	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
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
three-way sedge Dulichium arundinaceum	Grass or grass-like	2.6 ft	Sun–part shade	High	Zone 3b
threelobe beggarticks Bidens tripartita	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12a
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	High	Zone 3b
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
tufted loosestrife Lysimachia thyrsiflora	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
upright prairie coneflower Ratibida columnifera	Wildflower (forb)	3.1 ft	Sun	Medium	Zone 3a
upright sedge Carex stricta	Grass or grass-like	4.2 ft	Shade-tolerant	Medium	Zone 3b
vernal water-starwort Callitriche palustris	Wildflower (forb)	10 in	Sun	Medium	Zone 4a
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 horsetail Equisetum fluviatile	Fern	3 ft	Sun	High	Zone 4a
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
water sedge Carex aquatilis	Grass or grass-like	2.9 ft	Sun	High	Zone 3b
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
western snowberry Symphoricarpos occidentalis	Shrub	3 ft	Sun–part shade	Low	Zone 3b
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
wheat sedge Carex atherodes	Grass or grass-like	5 ft	Sun	High	Zone 3b
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 meadowsweet Spiraea alba	Shrub	3 ft	Sun–part shade	Medium	Zone 4a
white oak Quercus alba	Tree	100 ft	Sun–part shade	Medium	Zone 3a
white panicle aster Symphyotrichum lanceolatum	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 3b
white prairie clover Dalea candida	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
white sagebrush Artemisia ludoviciana	Wildflower (forb)	3 ft	Sun	Low	Zone 4a
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
wild sarsaparilla Aralia nudicaulis	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 3b
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
wirestem muhly Muhlenbergia frondosa	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 3b
woodland bluegrass Poa sylvestris	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
woodland muhly Muhlenbergia sylvatica	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4b
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a
woolly plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b
yellow birch Betula alleghaniensis	Tree	75 ft	Sun–part shade	Medium	Zone 2b
yellow fumewort Corydalis flavula	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 5b
yellow marsh marigold Caltha palustris	Wildflower (forb)	2 ft	Sun	High	Zone 3b
zigzag goldenrod Solidago flexicaulis	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 5b

Other native species recorded here 571

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
agueweed Gentianella quinquefolia
Allegheny monkeyflower Mimulus ringens
American bladdernut Staphylea trifolia
American burnweed Erechtites hieraciifolius
American dragonhead Dracocephalum parviflorum
American false pennyroyal Hedeoma pulegioides
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
American mannagrass Glyceria grandis
American senna Senna hebecarpa
American spikenard Aralia racemosa
American stoneseed Lithospermum latifolium
American white waterlily Nymphaea odorata
annual marsh elder Iva annua
aromatic aster Symphyotrichum oblongifolium
arrowleaf violet Viola sagittata
ashy sunflower Helianthus mollis
Aunt Lucy Ellisia nyctelea
autumn coralroot Corallorhiza odontorhiza
bald spikerush Eleocharis erythropoda
balsam groundsel Packera paupercula
bastard toadflax Comandra umbellata
bayberry willow Salix myricoides
bearded flatsedge Cyperus squarrosus
bearded shorthusk Brachyelytrum erectum
Bebb willow Salix bebbiana
biannual lettuce Lactuca ludoviciana
biennial beeblossom Oenothera gaura
big devils beggartick Bidens vulgata
bigbract verbena Verbena bracteata
birdfoot violet Viola pedata
blackseed plantain Plantago rugelii
blackseed ricegrass Patis racemosa
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
bloody butcher Trillium recurvatum
blue ash Fraxinus quadrangulata
blue skullcap Scutellaria lateriflora
bluejacket Tradescantia ohiensis
bluntleaf sandwort Moehringia lateriflora
bluntlobe cliff fern Woodsia obtusa
bog white violet Viola lanceolata
bog willow Salix pedicellaris
bog yellowcress Rorippa palustris
bottlebrush sedge Carex hystericina
bottomland aster Symphyotrichum ontarionis
box knotweed Polygonum buxiforme
bristleleaf sedge Carex eburnea
bristly greenbrier Smilax tamnoides
brome-like sedge Carex bromoides
brown widelip orchid Liparis liliifolia
browneyed Susan Rudbeckia triloba
bulblet bladderfern Cystopteris bulbifera
bulblet-bearing water hemlock Cicuta bulbifera
bushy knotweed Polygonum ramosissimum
button eryngo Eryngium yuccifolium
buttonbush dodder Cuscuta cephalanthi
Buxbaum's sedge Carex buxbaumii
Canada lettuce Lactuca canadensis
Canada mayflower Maianthemum canadense
Canada toadflax Nuttallanthus canadensis
Canadian anemone Anemone canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian summer bluet Houstonia canadensis
Canadian white violet Viola canadensis
Canadian wildginger Asarum canadense
Canadian woodnettle Laportea canadensis
candle anemone Anemone cylindrica
carelessweed Cyclachaena xanthiifolia
Carolina anemone Anemone caroliniana
Carolina draba Draba reptans
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina puccoon Lithospermum caroliniense
Carolina vetch Vicia caroliniana
carpenter's square Scrophularia marilandica
churchmouse threeawn Aristida dichotoma
clammy groundcherry Physalis heterophylla
clammy hedgehyssop Gratiola neglecta
clasping milkweed Asclepias amplexicaulis
clasping Venus' looking-glass Triodanis perfoliata
Clayton's sweetroot Osmorhiza claytonii
clustered blacksnakeroot Sanicula odorata
coastal jointweed Polygonella articulata
Columbian watermeal Wolffia columbiana
common bladderwort Utricularia macrorhiza
common boneset Eupatorium perfoliatum
common cinquefoil Potentilla simplex
common milkweed Asclepias syriaca
common moonseed Menispermum canadense
common pricklyash Zanthoxylum americanum
common threeseed mercury Acalypha rhomboidea
common woodrush Luzula multiflora
common yellow oxalis Oxalis stricta
compassplant Silphium laciniatum
cream pea Lathyrus ochroleucus
creeping lespedeza Lespedeza repens
Culver's root Veronicastrum virginicum
Cuman ragweed Ambrosia psilostachya
curlycup gumweed Grindelia squarrosa
curlytop knotweed Polygonum lapathifolium
curvepod fumewort Corydalis curvisiliqua
cusp dodder Cuscuta cuspidata
cutleaf evening primrose Oenothera laciniata
cutleaf grapefern Botrychium dissectum
cutleaf toothwort Cardamine concatenata
Davis' sedge Carex davisii
densetuft hairsedge Bulbostylis capillaris
desert goosefoot Chenopodium pratericola
dioecious sedge Carex sterilis
dogtooth violet Erythronium americanum
dotted hawthorn Crataegus punctata
downy gentian Gentiana puberulenta
downy hawthorn Crataegus mollis
downy pagoda-plant Blephilia ciliata
downy phlox Phlox pilosa
downy rattlesnake plantain Goodyera pubescens
downy willowherb Epilobium strictum
Drummond's aster Symphyotrichum drummondii
dryspike sedge Carex siccata
Dudley's rush Juncus dudleyi
dutchman's breeches Dicentra cucullaria
dwarf horseweed Conyza ramosissima
dwarf red blackberry Rubus pubescens
early buttercup Ranunculus fascicularis
early goldenrod Solidago juncea
early meadow-rue Thalictrum dioicum
earlyleaf brome Bromus latiglumis
earth loosestrife Lysimachia terrestris
eastern bottlebrush grass Elymus hystrix
eastern false rue anemone Enemion biternatum
eastern leatherwood Dirca palustris
eastern marsh fern Thelypteris palustris
eastern poison ivy Toxicodendron radicans
eastern prickly gooseberry Ribes cynosbati
eastern swamp saxifrage Saxifraga pensylvanica
ebony spleenwort Asplenium platyneuron
elliptic spikerush Eleocharis elliptica
elmleaf goldenrod Solidago ulmifolia
Emory's sedge Carex emoryi
Engelmann's spikerush Eleocharis engelmannii
evening campion Silene nivea
fall rosette grass Dichanthelium wilcoxianum
fall witchgrass Digitaria cognata
false hop sedge Carex lupuliformis
false Indian plantain Hasteola suaveolens
false mermaidweed Floerkea proserpinacoides
false spotted St. Johnswort Hypericum pseudomaculatum
fan clubmoss Lycopodium digitatum
feathery false lily of the valley Maianthemum racemosum
fen grass of Parnassus Parnassia glauca
fernleaf yellow false foxglove Aureolaria pedicularia
fescue sedge Carex festucacea
feverwort Triosteum perfoliatum
fewleaf sunflower Helianthus occidentalis
field thistle Cirsium discolor
fire on the mountain Euphorbia cyathophora
fleshy hawthorn Crataegus succulenta
floating mannagrass Glyceria septentrionalis
flowering spurge Euphorbia corollata
fluxweed Trichostema brachiatum
forked threeawn Aristida basiramea
fourflower yellow loosestrife Lysimachia quadriflora
fourpoint evening primrose Oenothera rhombipetala
foxtail barley Hordeum jubatum
foxtail sedge Carex alopecoidea
fragile rockbrake Cryptogramma stelleri
fragrant bedstraw Galium triflorum
fragrant sumac Rhus aromatica
Fraser's marsh St. Johnswort Triadenum fraseri
fringed loosestrife Lysimachia ciliata
fringed willowherb Epilobium ciliatum
fuzzy wuzzy sedge Carex hirsutella
Geyer's sandmat Chamaesyce geyeri
giant ironweed Vernonia gigantea
giant sunflower Helianthus giganteus
glomerate sedge Carex aggregata
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
grassleaf mudplantain Heteranthera dubia
great blue lobelia Lobelia siphilitica
Great Plains flatsedge Cyperus lupulinus
great ragweed Ambrosia trifida
great waterleaf Hydrophyllum appendiculatum
greater fringed gentian Gentianopsis crinita
greater water dock Rumex orbiculatus
Greek valerian Polemonium reptans
green carpetweed Mollugo verticillata
green comet milkweed Asclepias viridiflora
green dragon Arisaema dracontium
green fringed orchid Platanthera lacera
green milkweed Asclepias hirtella
Greene's rush Juncus greenei
grooved flax Linum sulcatum
groovestem Indian plantain Arnoglossum plantagineum
hairy beardtongue Penstemon hirsutus
hairy bedstraw Galium pilosum
hairy evening primrose Oenothera villosa
hairy hawkweed Hieracium longipilum
hairy hedgenettle Stachys pilosa
hairy pagoda-plant Blephilia hirsuta
hairy pinweed Lechea mucronata
hairy Solomon's seal Polygonatum pubescens
hairy sunflower Helianthus hirsutus
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairyjoint meadowparsnip Thaspium barbinode
hairystem gooseberry Ribes hirtellum
harvestbells Gentiana saponaria
Hayden's sedge Carex haydenii
heartleaf skullcap Scutellaria ovata
heavy sedge Carex gravida
hedge false bindweed Calystegia sepium
hedgehog woodrush Luzula echinata
Heller's rosette grass Dichanthelium oligosanthes
hemlock waterparsnip Sium suave
Hitchcock's sedge Carex hitchcockiana
hoary frostweed Helianthemum bicknellii
hoary puccoon Lithospermum canescens
hoary verbena Verbena stricta
Holmes' hawthorn Crataegus holmesiana
horned pondweed Zannichellia palustris
hyssopleaf hedgenettle Stachys aspera
hyssopleaf hedgenettle Stachys hyssopifolia
Illinois pondweed Potamogeton illinoensis
Illinois ticktrefoil Desmodium illinoense
Indian-tobacco Lobelia inflata
Indianpipe Monotropa uniflora
inflated narrow-leaf sedge Carex grisea
intermediate woodfern Dryopteris intermedia
James' sedge Carex jamesii
Jersey tea Ceanothus herbaceus
jumpseed Polygonum virginianum
Kalm's hawkweed Hieracium kalmii
knotsheath sedge Carex retrorsa
lace grass Eragrostis capillaris
lanceleaf buckthorn Rhamnus lanceolata
lanceleaf figwort Scrophularia lanceolata
lanceleaf fogfruit Phyla lanceolata
lanceleaf sage Salvia reflexa
large beardtongue Penstemon grandiflorus
large St. Johnswort Hypericum majus
largebracted plantain Plantago aristata
largeflower bellwort Uvularia grandiflora
largefruit blacksnakeroot Sanicula trifoliata
largepod pinweed Lechea intermedia
lateflowering thoroughwort Eupatorium serotinum
leathery grapefern Botrychium multifidum
leathery knotweed Polygonum achoreum
Leavenworth's sedge Carex leavenworthii
Leggett's pinweed Lechea pulchella
Leiberg's panicum Dichanthelium leibergii
lesser Canadian St. Johnswort Hypericum canadense
lesser purple fringed orchid Platanthera psycodes
lesser yellow lady's slipper Cypripedium parviflorum
licorice bedstraw Galium circaezans
light poppymallow Callirhoe alcaeoides
little evening primrose Oenothera perennis
little grapefern Botrychium simplex
longbract frog orchid Dactylorhiza viridis
longbract spiderwort Tradescantia bracteata
longbranch frostweed Helianthemum canadense
longflower beeblossom Oenothera filiformis
longleaf groundcherry Physalis longifolia
longleaf summer bluet Houstonia longifolia
longsepal beardtongue Penstemon calycosus
longstalk sedge Carex pedunculata
longstyle sweetroot Osmorhiza longistylis
low serviceberry Amelanchier humilis
lowland bladderfern Cystopteris protrusa
lowland yellow loosestrife Lysimachia hybrida
lyrate rockcress Arabis lyrata
manyfruit primrose-willow Ludwigia polycarpa
mapleleaf goosefoot Chenopodium simplex
marsh blue violet Viola cucullata
marsh bristlegrass Setaria parviflora
marsh mermaidweed Proserpinaca palustris
marsh pea Lathyrus palustris
marsh skullcap Scutellaria galericulata
Maryland sanicle Sanicula marilandica
mat sandbur Cenchrus longispinus
matricary grapefern Botrychium matricariifolium
matted spikerush Eleocharis intermedia
matting rosette grass Dichanthelium meridionale
Maximilian sunflower Helianthus maximiliani
mayapple Podophyllum peltatum
Mead's sedge Carex meadii
meadow garlic Allium canadense
meadow willow Salix petiolaris
meadow zizia Zizia aptera
Michaux's stitchwort Minuartia michauxii
Michigan lily Lilium michiganense
Missouri gooseberry Ribes missouriense
Missouri violet Viola missouriensis
Muhlenberg's sedge Carex muehlenbergii
mullein foxglove Dasistoma macrophylla
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf pinweed Lechea tenuifolia
narrowleaf stoneseed Lithospermum incisum
narrowleaf vervain Verbena simplex
neckweed Veronica peregrina
needleleaf sedge Carex duriuscula
New England aster Symphyotrichum novae-angliae
nodding onion Allium cernuum
nodding stickseed Hackelia deflexa
nodding wakerobin Trillium flexipes
northern adderstongue Ophioglossum pusillum
northern bog violet Viola nephrophylla
northern bugleweed Lycopus uniflorus
northern selaginella Selaginella rupestris
northern sweetgrass Hierochloe hirta
northern water plantain Alisma triviale
Nuttall's prairie parsley Polytaenia nuttallii
Nuttall's sensitive-briar Mimosa nuttallii
obedient plant Physostegia virginiana
oneflowered broomrape Orobanche uniflora
oneseed bur cucumber Sicyos angulatus
Ontario blazing star Liatris cylindracea
Ontario lobelia Lobelia kalmii
openfield sedge Carex conoidea
orangefruit horse-gentian Triosteum aurantiacum
pale beardtongue Penstemon pallidus
pale dock Rumex altissimus
pale Indian plantain Arnoglossum atriplicifolium
paleleaf woodland sunflower Helianthus strumosus
palespike lobelia Lobelia spicata
parasol sedge Carex umbellata
parasol whitetop Doellingeria umbellata
Parlin's pussytoes Antennaria parlinii
partridgeberry Mitchella repens
pear hawthorn Crataegus calpodendron
Pennsylvania pellitory Parietaria pensylvanica
Pennsylvania sedge Carex pensylvanica
pitseed goosefoot Chenopodium berlandieri
plain gentian Gentiana alba
pleatleaf knotweed Polygonum tenue
pointedleaf ticktrefoil Desmodium glutinosum
poke milkweed Asclepias exaltata
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prairie blue-eyed grass Sisyrinchium campestre
prairie false dandelion Nothocalais cuspidata
prairie goldenrod Oligoneuron album
prairie groundcherry Physalis hispida
prairie groundsel Packera plattensis
prairie ironweed Vernonia fasciculata
prairie milkweed Asclepias sullivantii
prairie rose Rosa arkansana
prairie rosinweed Silphium terebinthinaceum
prairie sedge Carex prairea
prairie sunflower Helianthus petiolaris
prairie threeawn Aristida oligantha
prairie violet Viola pedatifida
pretty sedge Carex woodii
pubescent sedge Carex hirtifolia
puffsheath dropseed Sporobolus neglectus
purple false foxglove Agalinis purpurea
purple giant hyssop Agastache scrophulariifolia
purple meadow-rue Thalictrum dasycarpum
purple meadowparsnip Thaspium trifoliatum
purple milkweed Asclepias purpurascens
purple milkwort Polygala sanguinea
purple rattlesnakeroot Prenanthes racemosa
purple sandgrass Triplasis purpurea
purplestem angelica Angelica atropurpurea
rabbit-tobacco Pseudognaphalium obtusifolium
racemed milkwort Polygala polygama
ramp Allium tricoccum
red baneberry Actaea rubra
red columbine Aquilegia canadensis
redwhisker clammyweed Polanisia dodecandra
ribseed sandmat Chamaesyce glyptosperma
Richardson's alumroot Heuchera richardsonii
Richardson's sedge Carex richardsonii
richwoods sedge Carex oligocarpa
rigid sedge Carex tetanica
robin's plantain Erigeron pulchellus
rock harlequin Corydalis sempervirens
rock muhly Muhlenbergia sobolifera
rock polypody Polypodium virginianum
rope dodder Cuscuta glomerata
rosy sedge Carex rosea
rough barnyardgrass Echinochloa muricata
rough dropseed Sporobolus clandestinus
rough false pennyroyal Hedeoma hispida
rough hawkweed Hieracium scabrum
rough rattlesnakeroot Prenanthes aspera
roundseed St. Johnswort Hypericum sphaerocarpum
roundstem false foxglove Agalinis gattingeri
rue anemone Thalictrum thalictroides
sand bittercress Cardamine parviflora
sand violet Viola affinis
Sartwell's sedge Carex sartwellii
scaldweed Cuscuta gronovii
Schweinitz's flatsedge Cyperus schweinitzii
scrambled eggs Corydalis aurea
seedbox Ludwigia alternifolia
Seneca snakeroot Polygala senega
sensitive fern Onoclea sensibilis
sessilefruit arrowhead Sagittaria rigida
shining bedstraw Galium concinnum
shining clubmoss Huperzia lucidula
shiny wedgescale Sphenopholis nitida
Short's aster Symphyotrichum shortii
Short's rockcress Arabis shortii
shortbeak sedge Carex brevior
shortstalk chickweed Cerastium brachypodum
showy lady's slipper Cypripedium reginae
showy orchid Galearis spectabilis
showy ticktrefoil Desmodium canadense
shrubby lespedeza Lespedeza frutescens
sicklepod Arabis canadensis
sidebells wintergreen Orthilia secunda
silky dogwood Cornus obliqua
silver false spleenwort Deparia acrostichoides
sixweeks fescue Vulpia octoflora
skyblue aster Symphyotrichum oolentangiense
sleepy silene Silene antirrhina
slender lespedeza Lespedeza virginica
slender looseflower sedge Carex gracilescens
slender snakecotton Froelichia gracilis
slender wedgescale Sphenopholis intermedia
slender yellow woodsorrel Oxalis dillenii
slender yelloweyed grass Xyris torta
slenderleaf false foxglove Agalinis tenuifolia
slimflower muhly Muhlenbergia tenuiflora
slimleaf panicgrass Dichanthelium linearifolium
small pondweed Potamogeton pusillus
small skullcap Scutellaria parvula
smallflower false foxglove Agalinis paupercula
smallflower fumewort Corydalis micrantha
smallflower halfchaff sedge Lipocarpha micrantha
smooth cliffbrake Pellaea glabella
smooth forked nailwort Paronychia canadensis
smooth oxeye Heliopsis helianthoides
smooth rockcress Arabis laevigata
smooth rose Rosa blanda
smooth Solomon's seal Polygonatum biflorum
smooth yellow false foxglove Aureolaria flava
snow trillium Trillium nivale
soft agrimony Agrimonia pubescens
soft fox sedge Carex conjuncta
soft-hair marbleseed Onosmodium bejariense
southern bog clubmoss Lycopodiella appressa
spinulose woodfern Dryopteris carthusiana
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading chervil Chaerophyllum procumbens
spreading dogbane Apocynum androsaemifolium
spreading sandmat Chamaesyce humistrata
Sprengel's sedge Carex sprengelii
spring blue eyed Mary Collinsia verna
spring forget-me-not Myosotis verna
squirrel corn Dicentra canadensis
Standley's goosefoot Chenopodium standleyanum
starflower Trientalis borealis
starry false lily of the valley Maianthemum stellatum
starved panicgrass Dichanthelium depauperatum
stiff cowbane Oxypolis rigidior
stiff sunflower Helianthus pauciflorus
stiff tickseed Coreopsis palmata
stiff yellow flax Linum medium
strawberry-tomato Physalis grisea
strict blue-eyed grass Sisyrinchium montanum
summer coralroot Corallorhiza maculata
sundial lupine Lupinus perennis
swamp dock Rumex verticillatus
swamp lousewort Pedicularis lanceolata
swamp thistle Cirsium muticum
swamp verbena Verbena hastata
Swan's sedge Carex swanii
sweet coneflower Rudbeckia subtomentosa
sweetscented joe pye weed Eutrochium purpureum
tall blazing star Liatris aspera
tall blue lettuce Lactuca biennis
tall thimbleweed Anemone virginiana
tall thistle Cirsium altissimum
tall thoroughwort Eupatorium altissimum
tall tickseed Coreopsis tripteris
tarragon Artemisia dracunculus
Texas bluegrass Poa arachnifera
Texas goldentop Euthamia gymnospermoides
thin paspalum Paspalum setaceum
thinleaf sedge Carex cephaloidea
thinleaf sunflower Helianthus decapetalus
threadleaf crowfoot Ranunculus trichophyllus
threeflower melicgrass Melica nitens
thymeleaf pinweed Lechea minor
tinted woodland spurge Euphorbia commutata
tobacco root Valeriana edulis
Torrey's bulrush Schoenoplectus torreyi
tree groundpine Lycopodium dendroideum
tuberous grasspink Calopogon tuberosus
Tuckerman's sedge Carex tuckermanii
tufted lovegrass Eragrostis pectinacea
tumble windmill grass Chloris verticillata
twinleaf Jeffersonia diphylla
twoflower dwarfdandelion Krigia biflora
twoleaf miterwort Mitella diphylla
twoleaf watermilfoil Myriophyllum heterophyllum
umbrella flatsedge Cyperus diandrus
upright carrionflower Smilax ecirrhata
Vasey's rush Juncus vaseyi
veiny pea Lathyrus venosus
velvetleaf huckleberry Vaccinium myrtilloides
violet lespedeza Lespedeza violacea
violet woodsorrel Oxalis violacea
Virginia groundcherry Physalis virginiana
Virginia mountainmint Pycnanthemum virginianum
Virginia pepperweed Lepidium virginicum
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
Virginia tephrosia Tephrosia virginiana
walking fern Asplenium rhizophyllum
warty spurge Euphorbia spathulata
waxflower shinleaf Pyrola elliptica
waxyfruit hawthorn Crataegus pruinosa
western oakfern Gymnocarpium dryopteris
western rockjasmine Androsace occidentalis
western tansymustard Descurainia pinnata
western waterweed Elodea nuttallii
whip nutrush Scleria triglomerata
white baneberry Actaea pachypoda
white blue-eyed grass Sisyrinchium albidum
white colicroot Aletris farinosa
white fawnlily Erythronium albidum
white heath aster Symphyotrichum ericoides
white lady's slipper Cypripedium candidum
white rattlesnakeroot Prenanthes alba
white snakeroot Ageratina altissima
white turtlehead Chelone glabra
white vervain Verbena urticifolia
whiteflower leafcup Polymnia canadensis
whitehair rosette grass Dichanthelium villosissimum
whitetinge sedge Carex albicans
wholeleaf rosinweed Silphium integrifolium
whorled milkweed Asclepias verticillata
whorled milkwort Polygala verticillata
whorled mountainmint Pycnanthemum verticillatum
whorled yellow loosestrife Lysimachia quadrifolia
widowsfrill Silene stellata
wild cucumber Echinocystis lobata
wild quinine Parthenium integrifolium
wild yam Dioscorea villosa
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
winged pigweed Cycloloma atriplicifolium
wingstem Verbesina alternifolia
witchgrass Panicum capillare
woman's tobacco Antennaria plantaginifolia
wood anemone Anemone quinquefolia
wood lily Lilium philadelphicum
woodbine Parthenocissus vitacea
woodland lettuce Lactuca floridana
woodland strawberry Fragaria vesca
woodland sunflower Helianthus divaricatus
woolly sedge Carex pellita
woollyfruit sedge Carex lasiocarpa
yellow avens Geum aleppicum
yellow giant hyssop Agastache nepetoides
yellow pimpernel Taenidia integerrima
yellow screwstem Bartonia virginica
yellow water buttercup Ranunculus flabellaris
yellow widelip orchid Liparis loeselii
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
climbing false buckwheatPolygonum scandens
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, Winnebago County and Illinois
Measure	Winnebago County	Typical county	Statewide
Native species	939	641	1,909
Garden-ready natives	368	272	652
Tree	75	—	187
Shrub	46	—	96
Wildflower (forb)	546	—	1,015
Grass or grass-like	210	—	444
Vine	30	—	79
Fern	32	—	88

Neighboring counties

Counties that share a ZIP code with Winnebago County.

Boone County, IL 282 garden-ready
Ogle County, IL 294 garden-ready
Stephenson County, IL 209 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: Winnebago County (county FIPS 17201), Illinois. 939 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

Independent reference site. No government affiliation or endorsement.