Native plants · Wisconsin

Native plants of Winnebago County

467 plant species are recorded as native to Wisconsin in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Winnebago County by USDA PLANTS. 216 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 3 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Winnebago County, Wisconsin

Native species
467 Typical Wisconsin county: 653 (median of 71 counties)
Garden-ready natives
216 Typical Wisconsin county: 272
Share by type (all 467 native species)
Percent of the 467 native species in each growth type
Tree 6% (29)
Shrub 4% (21)
Wildflower (forb) 57% (268)
Grass or grass-like 24% (113)
Vine 3% (13)
Fern 5% (23)

Wildflowers make up the largest share of the native list (57%), followed by grasses and grass-like plants (24%).

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

ZIP codes mainly in this county fall in USDA hardiness zones 5a to 5b (2023 map).

The native plant list

Cold hardiness is estimated from each plant’s PLANTS minimum temperature. How we estimate it.

Garden-ready natives 216

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

Garden-ready native plants of Winnebago County, Wisconsin
PlantType HeightLight Water useHardy to
Allegheny blackberry Rubus allegheniensis Shrub 6 ft Shade-tolerant Medium Zone 4b
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 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 red raspberry Rubus idaeus Shrub 6 ft Shade-tolerant — Zone 1a
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
annual wildrice Zizania aquatica Grass or grass-like 9.8 ft Sun High Zone 10b
arumleaf arrowhead Sagittaria cuneata Wildflower (forb) 2.6 ft Sun Medium Zone 4a
awlfruit sedge Carex stipata Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
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
black ash Fraxinus nigra Tree 65 ft Sun High Zone 2b
black raspberry Rubus occidentalis Shrub 6 ft Sun–part shade Medium Zone 4b
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
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
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
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
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
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low 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 altissima Wildflower (forb) 5 ft Sun–part shade Medium Zone 4b
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
Canadian milkvetch Astragalus canadensis Wildflower (forb) 6 in Sun Medium Zone 3b
cardinalflower Lobelia cardinalis Wildflower (forb) 5.9 ft Shade-tolerant Low 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
closed bottle gentian Gentiana andrewsii Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
coast cockspur grass Echinochloa walteri Grass or grass-like 6.5 ft Sun High Zone 10b
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 reed Phragmites australis Shrub 13 ft Sun Medium Zone 3b
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 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
coon's tail Ceratophyllum demersum Wildflower (forb) — Sun–part shade High Zone 3b
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
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
Dewey sedge Carex deweyana Grass or grass-like 3.8 ft Shade-tolerant Medium 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 arrowwood Viburnum rafinesqueanum Shrub 6 ft Shade-tolerant Low Zone 3a
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
eastern redcedar Juniperus virginiana Tree 50 ft Sun–part shade Low Zone 3a
eastern woodland sedge Carex blanda Grass or grass-like 2 ft Shade-tolerant High Zone 4b
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
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
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
golden sedge Carex aurea Grass or grass-like 1.2 ft Sun–part shade High Zone 4a
graceful sedge Carex gracillima Grass or grass-like 3 ft Shade-tolerant 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
Gray's sedge Carex grayi Grass or grass-like 3 ft Shade-tolerant High Zone 4a
greater bladder sedge Carex intumescens Grass or grass-like 3 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
groundnut Apios americana Vine 1 ft Shade-tolerant Medium Zone 5a
hairy sedge Carex lacustris Grass or grass-like 5 ft Shade-tolerant High Zone 4b
hardstem bulrush Schoenoplectus acutus Grass or grass-like 9.8 ft Sun High 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 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
jointleaf rush Juncus articulatus Grass or grass-like 2 ft Sun–part shade High Zone 4b
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
knotted rush Juncus nodosus Grass or grass-like 2 ft Sun Medium Zone 4b
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
leafy pondweed Potamogeton foliosus Wildflower (forb) — Sun High Zone 3b
limestone bittercress Cardamine douglassii Wildflower (forb) 1 ft Shade-tolerant High Zone 4a
limestone meadow sedge Carex granularis Grass or grass-like 2.5 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
longhair sedge Carex comosa Grass or grass-like 5 ft Sun–part shade High Zone 4b
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
Mexican muhly Muhlenbergia mexicana Grass or grass-like 3 ft Sun–part shade Medium Zone 4a
Muskingum sedge Carex muskingumensis Grass or grass-like 3 ft Shade-tolerant High Zone 4a
necklace sedge Carex projecta Grass or grass-like 2 ft Shade-tolerant Medium Zone 4a
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 waternymph Najas flexilis Wildflower (forb) 2.5 ft Sun–part shade High Zone 12a
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
paper birch Betula papyrifera Tree 70 ft Sun High Zone 1a
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
pinnate prairie coneflower Ratibida pinnata Wildflower (forb) 4 ft Sun Medium 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 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 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 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
rattlesnake fern Botrychium virginianum Fern 1.4 ft Shade-tolerant Medium Zone 3b
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
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
Robbins' pondweed Potamogeton robbinsii Wildflower (forb) — Sun High Zone 3b
rough avens Geum laciniatum Wildflower (forb) 3.1 ft Sun–part shade Medium Zone 5a
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 serviceberry Amelanchier sanguinea Tree 10 ft Shade-tolerant Medium Zone 3a
rufous bulrush Scirpus pendulus Grass or grass-like 4 ft Sun Medium Zone 3b
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
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
scratchgrass Muhlenbergia asperifolia Grass or grass-like 2 ft Shade-tolerant High Zone 5b
shortawn foxtail Alopecurus aequalis Grass or grass-like 2.5 ft Sun–part shade High Zone 3b
silver maple Acer saccharinum Tree 90 ft Sun–part shade Medium Zone 2b
silverweed cinquefoil Argentina anserina Wildflower (forb) 6 in Shade-tolerant High Zone 5a
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
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
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
softleaf sedge Carex disperma Grass or grass-like 2 ft Sun–part shade High Zone 3b
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
southern waternymph Najas guadalupensis Wildflower (forb) 1 ft Sun High Zone 3b
spiked muhly Muhlenbergia glomerata Grass or grass-like 3 ft Sun–part shade Medium Zone 4a
spotted joe pye weed Eutrochium maculatum Wildflower (forb) 6 ft Sun–part shade High Zone 4b
staghorn sumac Rhus typhina Tree 30 ft Sun–part shade Low Zone 4a
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
swamp loosestrife Decodon verticillatus Shrub 8 ft Sun–part shade High Zone 5a
swamp milkweed Asclepias incarnata Wildflower (forb) 4.9 ft Sun High 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 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
threepetal bedstraw Galium trifidum Vine 10 in Sun–part shade High Zone 3b
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
Torrey's rush Juncus torreyi Grass or grass-like 3.1 ft Sun Medium Zone 3b
troublesome sedge Carex molesta Grass or grass-like 3 ft Sun Medium Zone 3b
tufted loosestrife Lysimachia thyrsiflora Wildflower (forb) 2 ft Sun–part shade High Zone 4a
upright sedge Carex stricta Grass or grass-like 4.2 ft Shade-tolerant Medium Zone 3b
Virginia iris Iris virginica Wildflower (forb) 3.3 ft Shade-tolerant High Zone 8b
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
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
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
woolgrass Scirpus cyperinus Grass or grass-like 4.9 ft Sun–part shade High Zone 4a
yellow birch Betula alleghaniensis Tree 75 ft Sun–part shade Medium Zone 2b
yellow marsh marigold Caltha palustris Wildflower (forb) 2 ft Sun High Zone 3b

Other native species recorded here 251

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.

  • Allegheny monkeyflower Mimulus ringens
  • alpine violet Viola labradorica
  • American burnweed Erechtites hieraciifolius
  • American dragonhead Dracocephalum parviflorum
  • American lopseed Phryma leptostachya
  • American mannagrass Glyceria grandis
  • American sloughgrass Beckmannia syzigachne
  • American white waterlily Nymphaea odorata
  • American yellowrocket Barbarea orthoceras
  • arrowleaf violet Viola sagittata
  • Aunt Lucy Ellisia nyctelea
  • bald spikerush Eleocharis erythropoda
  • beggarslice Hackelia virginiana
  • big devils beggartick Bidens vulgata
  • birdfoot violet Viola pedata
  • blackseed plantain Plantago rugelii
  • bloodroot Sanguinaria canadensis
  • blue skullcap Scutellaria lateriflora
  • bluntleaf sandwort Moehringia lateriflora
  • bog bluegrass Poa paludigena
  • bog yellowcress Rorippa palustris
  • bottlebrush sedge Carex hystericina
  • Brazilian watermeal Wolffia brasiliensis
  • browneyed Susan Rudbeckia triloba
  • brownish sedge Carex brunnescens
  • bulblet bladderfern Cystopteris bulbifera
  • bulblet-bearing water hemlock Cicuta bulbifera
  • Buxbaum's sedge Carex buxbaumii
  • Canada lettuce Lactuca canadensis
  • Canadian anemone Anemone canadensis
  • Canadian clearweed Pilea pumila
  • Canadian white violet Viola canadensis
  • Canadian wildginger Asarum canadense
  • Canadian woodnettle Laportea canadensis
  • candle anemone Anemone cylindrica
  • Carolina vetch Vicia caroliniana
  • carpenter's square Scrophularia marilandica
  • clammy groundcherry Physalis heterophylla
  • clammy hedgehyssop Gratiola neglecta
  • clustered blacksnakeroot Sanicula odorata
  • Columbian watermeal Wolffia columbiana
  • common bladderwort Utricularia macrorhiza
  • common boneset Eupatorium perfoliatum
  • 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
  • Crawford's sedge Carex crawfordii
  • cream pea Lathyrus ochroleucus
  • Culver's root Veronicastrum virginicum
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf grapefern Botrychium dissectum
  • cypress-like sedge Carex pseudocyperus
  • dotted hawthorn Crataegus punctata
  • downy hawthorn Crataegus mollis
  • downy phlox Phlox pilosa
  • Dudley's rush Juncus dudleyi
  • dutchman's breeches Dicentra cucullaria
  • early goldenrod Solidago juncea
  • earth loosestrife Lysimachia terrestris
  • eastern bottlebrush grass Elymus hystrix
  • eastern daisy fleabane Erigeron annuus
  • eastern leatherwood Dirca palustris
  • eastern marsh fern Thelypteris palustris
  • eastern star sedge Carex radiata
  • eastern waterleaf Hydrophyllum virginianum
  • Equisetum ×ferrissii Equisetum ×ferrissii
  • erect knotweed Polygonum erectum
  • eyebane Chamaesyce nutans
  • false melic Schizachne purpurascens
  • fan clubmoss Lycopodium digitatum
  • feathery false lily of the valley Maianthemum racemosum
  • fen grass of Parnassus Parnassia glauca
  • feverwort Triosteum perfoliatum
  • flatspine stickseed Lappula occidentalis
  • flowering spurge Euphorbia corollata
  • fourflower yellow loosestrife Lysimachia quadriflora
  • foxtail barley Hordeum jubatum
  • foxtail sedge Carex alopecoidea
  • Fraser's marsh St. Johnswort Triadenum fraseri
  • fringed loosestrife Lysimachia ciliata
  • fringed willowherb Epilobium ciliatum
  • giant sunflower Helianthus giganteus
  • golden zizia Zizia aurea
  • grape honeysuckle Lonicera reticulata
  • grassleaf mudplantain Heteranthera dubia
  • great blue lobelia Lobelia siphilitica
  • great ragweed Ambrosia trifida
  • great waterleaf Hydrophyllum appendiculatum
  • greater poverty rush Juncus anthelatus
  • hairy evening primrose Oenothera villosa
  • hairy four o'clock Mirabilis hirsuta
  • Hayden's sedge Carex haydenii
  • heartleaf four o'clock Mirabilis nyctaginea
  • heavy sedge Carex gravida
  • Heller's rosette grass Dichanthelium oligosanthes
  • hemlock waterparsnip Sium suave
  • hoary puccoon Lithospermum canescens
  • horsetail Equisetum ×litorale
  • horsetail Equisetum ×nelsonii
  • hybrid cattail Typha ×glauca
  • Illinois pondweed Potamogeton illinoensis
  • Indian cucumber Medeola virginiana
  • Indianpipe Monotropa uniflora
  • inflated narrow-leaf sedge Carex grisea
  • intermediate woodfern Dryopteris intermedia
  • Kalm's hawkweed Hieracium kalmii
  • knotsheath sedge Carex retrorsa
  • lakecress Neobeckia aquatica
  • lanceleaf fogfruit Phyla lanceolata
  • large St. Johnswort Hypericum majus
  • largeflower bellwort Uvularia grandiflora
  • Leiberg's panicum Dichanthelium leibergii
  • lesser clearweed Pilea fontana
  • licorice bedstraw Galium circaezans
  • limber honeysuckle Lonicera dioica
  • longleaf summer bluet Houstonia longifolia
  • longstyle sweetroot Osmorhiza longistylis
  • lowland bladderfern Cystopteris protrusa
  • mapleleaf goosefoot Chenopodium simplex
  • marsh mermaidweed Proserpinaca palustris
  • marsh pea Lathyrus palustris
  • marsh skullcap Scutellaria galericulata
  • Maryland sanicle Sanicula marilandica
  • mat sandbur Cenchrus longispinus
  • mayapple Podophyllum peltatum
  • meadow garlic Allium canadense
  • Missouri gooseberry Ribes missouriense
  • nakedflower ticktrefoil Desmodium nudiflorum
  • narrowleaf hawkweed Hieracium umbellatum
  • narrowleaf vervain Verbena simplex
  • neckweed Veronica peregrina
  • needletip blue-eyed grass Sisyrinchium mucronatum
  • New England aster Symphyotrichum novae-angliae
  • northern bog aster Symphyotrichum boreale
  • northern bog violet Viola nephrophylla
  • northern green rush Juncus alpinoarticulatus
  • northern water plantain Alisma triviale
  • northern watermeal Wolffia borealis
  • northern wildrice Zizania palustris
  • Norwegian cinquefoil Potentilla norvegica
  • obedient plant Physostegia virginiana
  • openfield sedge Carex conoidea
  • orangefruit horse-gentian Triosteum aurantiacum
  • paleleaf woodland sunflower Helianthus strumosus
  • palespike lobelia Lobelia spicata
  • Parlin's pussytoes Antennaria parlinii
  • pear hawthorn Crataegus calpodendron
  • Pennsylvania sedge Carex pensylvanica
  • pitseed goosefoot Chenopodium berlandieri
  • pointedleaf ticktrefoil Desmodium glutinosum
  • prairie blue-eyed grass Sisyrinchium campestre
  • prairie rose Rosa arkansana
  • prairie rosinweed Silphium terebinthinaceum
  • prairie threeawn Aristida oligantha
  • prairie violet Viola pedatifida
  • pubescent sedge Carex hirtifolia
  • purple chokeberry Aronia ×prunifolia
  • purple false foxglove Agalinis purpurea
  • purple meadow-rue Thalictrum dasycarpum
  • purple milkweed Asclepias purpurascens
  • purple rattlesnakeroot Prenanthes racemosa
  • purplestem angelica Angelica atropurpurea
  • rayless alkali aster Symphyotrichum ciliatum
  • red columbine Aquilegia canadensis
  • Richardson's alumroot Heuchera richardsonii
  • Richardson's pondweed Potamogeton richardsonii
  • rigid sedge Carex tetanica
  • rock polypody Polypodium virginianum
  • rosy sedge Carex rosea
  • rough barnyardgrass Echinochloa muricata
  • sand violet Viola affinis
  • Sartwell's sedge Carex sartwellii
  • scaldweed Cuscuta gronovii
  • Seneca snakeroot Polygala senega
  • sensitive fern Onoclea sensibilis
  • sessilefruit arrowhead Sagittaria rigida
  • shining bedstraw Galium concinnum
  • Short's aster Symphyotrichum shortii
  • shortspike watermilfoil Myriophyllum sibiricum
  • showy goldenrod Solidago speciosa
  • showy ticktrefoil Desmodium canadense
  • skullcap speedwell Veronica scutellata
  • skyblue aster Symphyotrichum oolentangiense
  • sleepy silene Silene antirrhina
  • slender rosette grass Dichanthelium xanthophysum
  • slender wedgescale Sphenopholis intermedia
  • slenderleaf false foxglove Agalinis tenuifolia
  • slimspike threeawn Aristida longespica
  • small pondweed Potamogeton pusillus
  • smallflower false foxglove Agalinis paupercula
  • smooth oxeye Heliopsis helianthoides
  • smooth rose Rosa blanda
  • soft agrimony Agrimonia pubescens
  • spinulose woodfern Dryopteris carthusiana
  • spiny naiad Najas marina
  • spotted geranium Geranium maculatum
  • spotted sandmat Chamaesyce maculata
  • spotted water hemlock Cicuta maculata
  • spreading dogbane Apocynum androsaemifolium
  • starry false lily of the valley Maianthemum stellatum
  • stiff cowbane Oxypolis rigidior
  • stiff sunflower Helianthus pauciflorus
  • stiff tickseed Coreopsis palmata
  • strict blue-eyed grass Sisyrinchium montanum
  • swamp dock Rumex verticillatus
  • swamp lousewort Pedicularis lanceolata
  • swamp verbena Verbena hastata
  • tall blazing star Liatris aspera
  • tall thoroughwort Eupatorium altissimum
  • thinleaf sunflower Helianthus decapetalus
  • tiny trumpet Collomia linearis
  • tree groundpine Lycopodium dendroideum
  • tufted lovegrass Eragrostis pectinacea
  • turion duckweed Lemna turionifera
  • twoflower dwarfdandelion Krigia biflora
  • twoleaf miterwort Mitella diphylla
  • umbrella flatsedge Cyperus diandrus
  • upland brittle bladderfern Cystopteris tenuis
  • veiny pea Lathyrus venosus
  • Virginia mountainmint Pycnanthemum virginianum
  • Virginia springbeauty Claytonia virginica
  • Virginia strawberry Fragaria virginiana
  • western oakfern Gymnocarpium dryopteris
  • western silver aster Symphyotrichum sericeum
  • western tansymustard Descurainia pinnata
  • whip-poor-will flower Trillium cernuum
  • white fawnlily Erythronium albidum
  • white heath aster Symphyotrichum ericoides
  • white lady's slipper Cypripedium candidum
  • white rattlesnakeroot Prenanthes alba
  • white snakeroot Ageratina altissima
  • white trillium Trillium grandiflorum
  • white turtlehead Chelone glabra
  • white vervain Verbena urticifolia
  • wholeleaf rosinweed Silphium integrifolium
  • whorl-leaf watermilfoil Myriophyllum verticillatum
  • whorled milkweed Asclepias verticillata
  • whorled milkwort Polygala verticillata
  • wild cucumber Echinocystis lobata
  • willowleaf aster Symphyotrichum praealtum
  • winged lythrum Lythrum alatum
  • woolly sedge Carex pellita
  • woollyfruit sedge Carex lasiocarpa
  • wormseed sandmat Chamaesyce vermiculata
  • yellow avens Geum aleppicum
  • yellow pimpernel Taenidia integerrima
  • yellowseed false pimpernel Lindernia dubia
Also listed as native and introduced here 3

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
  • common pepperweedLepidium densiflorum
  • hedge false bindweedCalystegia sepium

Compared with Wisconsin

The typical county is the median of the 71 Wisconsin 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 Wisconsin
MeasureWinnebago CountyTypical countyStatewide
Native species 467 653 1,568
Garden-ready natives 216 272 551
Tree 29 — 125
Shrub 21 — 102
Wildflower (forb) 268 — 853
Grass or grass-like 113 — 361
Vine 13 — 46
Fern 23 — 81

Neighboring counties

Counties that share a ZIP code with Winnebago County.

Look up another ZIP

Matches your ZIP to the county it mostly lies in, then lists the plants recorded as native to your state (Kew’s World Checklist and USDA PLANTS) and recorded in that county by USDA PLANTS.

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 55139), Wisconsin. 467 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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