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Native plants · Wisconsin

Native plants of Walworth County

817 plant species are recorded as native to Wisconsin in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Walworth County by USDA PLANTS. 330 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 5 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Walworth County, Wisconsin

Native species
817 Typical Wisconsin county: 653 (median of 71 counties)
Garden-ready natives
330 Typical Wisconsin county: 272
Share by type (all 817 native species)
Percent of the 817 native species in each growth type
Tree 8% (68)
Shrub 5% (43)
Wildflower (forb) 58% (476)
Grass or grass-like 22% (176)
Vine 4% (30)
Fern 3% (24)

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

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

Garden-ready natives 330

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

Garden-ready native plants of Walworth County, Wisconsin
PlantType HeightLight Water useHardy to
alderleaf buckthorn Rhamnus alnifolia Shrub 3 ft Shade-tolerant High Zone 4a
alkali buttercup Ranunculus cymbalaria Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
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 chestnut Castanea dentata Tree 115 ft Sun Medium 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 licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade 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 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 witchhazel Hamamelis virginiana Tree 20 ft Sun–part shade Medium Zone 4b
annual wildrice Zizania aquatica Grass or grass-like 9.8 ft Sun High Zone 10b
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
beaked spikerush Eleocharis rostellata Grass or grass-like 3 ft Sun High Zone 4b
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 ash Fraxinus nigra Tree 65 ft Sun High Zone 2b
black cherry Prunus serotina Tree 80 ft Sun Medium Zone 4a
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 walnut Juglans nigra Tree 100 ft Sun High 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 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 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
bristlystalked sedge Carex leptalea Grass or grass-like 1.5 ft Shade-tolerant High Zone 4a
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
buckbean Menyanthes trifoliata Wildflower (forb) 10 in Sun–part shade High Zone 4a
bulbous bittercress Cardamine bulbosa Wildflower (forb) 1.4 ft Shade-tolerant Medium Zone 4a
bunchberry dogwood Cornus canadensis Shrub 6 in Shade-tolerant High Zone 4b
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
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
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
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
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
clustered field sedge Carex praegracilis Grass or grass-like 2 ft Sun–part shade Medium Zone 3b
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 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 juniper Juniperus communis Tree 10 ft Sun Low Zone 3a
common mare's-tail Hippuris vulgaris Wildflower (forb) 2.8 ft Sun High Zone 3b
common ninebark Physocarpus opulifolius Shrub 10 ft Sun Low Zone 4a
common reed Phragmites australis Shrub 13 ft Sun Medium Zone 3b
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
common sneezeweed Helenium autumnale Wildflower (forb) 4.9 ft Sun Medium Zone 3a
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
creeping snowberry Gaultheria hispidula Shrub 6 in Shade-tolerant Medium Zone 4b
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
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
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
dense blazing star Liatris spicata Wildflower (forb) 4.5 ft Sun–part shade Medium Zone 5b
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
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 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
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
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
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
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 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
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
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
golden ragwort Packera aurea Wildflower (forb) 3.9 ft Shade-tolerant High Zone 3a
gray dogwood Cornus racemosa Shrub 10 ft Shade-tolerant Medium Zone 2b
gray goldenrod Solidago nemoralis Wildflower (forb) 2 ft Sun Medium Zone 4a
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
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
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
hardstem bulrush Schoenoplectus acutus Grass or grass-like 9.8 ft Sun High Zone 3b
harvestlice Agrimonia parviflora Wildflower (forb) 6 ft Sun–part shade High Zone 4a
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
knotted rush Juncus nodosus Grass or grass-like 2 ft Sun Medium Zone 4b
largeleaf pondweed Potamogeton amplifolius Wildflower (forb) — Sun High Zone 4a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
leafy pondweed Potamogeton foliosus Wildflower (forb) — Sun High Zone 3b
leatherleaf Chamaedaphne calyculata Shrub 4 ft Sun–part shade High Zone 4b
lesser bladderwort Utricularia minor Wildflower (forb) 2 in Sun High Zone 3a
lesser panicled sedge Carex diandra Grass or grass-like 3 ft Sun–part shade 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
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
longleaf starwort Stellaria longifolia Wildflower (forb) 1.5 ft Shade-tolerant High Zone 3b
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
mat muhly Muhlenbergia richardsonis Grass or grass-like 6 in Sun High Zone 4b
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
mud sedge Carex limosa Grass or grass-like 1.8 ft Sun Medium Zone 4a
nannyberry Viburnum lentago Tree 28 ft Shade-tolerant Medium Zone 4a
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 waternymph Najas flexilis Wildflower (forb) 2.5 ft Sun–part shade High Zone 12a
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
northern St. Johnswort Hypericum boreale Wildflower (forb) 10 in Sun–part shade High Zone 4a
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
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
paper birch Betula papyrifera Tree 70 ft Sun High Zone 1a
peachleaf willow Salix amygdaloides Tree 60 ft Sun High 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
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 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 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
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
rattlesnake mannagrass Glyceria canadensis Grass or grass-like 3.2 ft Sun Medium 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
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
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 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
rough bugleweed Lycopus asper Wildflower (forb) 2.1 ft Shade-tolerant High 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
roundleaf goldenrod Solidago patula Wildflower (forb) 6.6 ft Sun–part shade High Zone 3a
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
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
shagbark hickory Carya ovata Tree 75 ft Sun–part shade Medium Zone 3a
shortawn foxtail Alopecurus aequalis Grass or grass-like 2.5 ft Sun–part shade High Zone 3b
shrubby cinquefoil Dasiphora fruticosa Shrub 2.5 ft Sun–part shade Low Zone 4b
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
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 cottongrass Eriophorum gracile Grass or grass-like 1.7 ft Sun High Zone 3a
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 floating mannagrass Glyceria borealis Grass or grass-like 4.9 ft Sun High Zone 4a
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 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
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 arrowwood Viburnum recognitum Tree 9 ft Shade-tolerant Medium Zone 4b
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
stalked bulrush Scirpus pedicellatus Grass or grass-like 6.6 ft Sun High Zone 4b
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 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
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
tamarack Larix laricina Tree 80 ft Sun Medium Zone 1a
tawny cottongrass Eriophorum virginicum Grass or grass-like 3.9 ft Sun Medium 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
threepetal bedstraw Galium trifidum Vine 10 in Sun–part shade High Zone 3b
threeseeded sedge Carex trisperma Grass or grass-like 1.9 ft Shade-tolerant High Zone 4a
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
troublesome sedge Carex molesta Grass or grass-like 3 ft Sun Medium Zone 3b
trumpet creeper Campsis radicans Vine 2 ft Sun Low Zone 6a
tufted bulrush Trichophorum cespitosum Grass or grass-like 1.3 ft Sun–part shade Medium Zone 3a
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
variableleaf pondweed Potamogeton gramineus Wildflower (forb) — Sun High Zone 3b
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 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
western pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
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 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 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
whitestem pondweed Potamogeton praelongus Wildflower (forb) — Sun High Zone 3b
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
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 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 487

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.

  • agueweed Gentianella quinquefolia
  • Allegheny monkeyflower Mimulus ringens
  • American burnweed Erechtites hieraciifolius
  • American cancer-root Conopholis americana
  • American false pennyroyal Hedeoma pulegioides
  • American ginseng Panax quinquefolius
  • American hogpeanut Amphicarpaea bracteata
  • American lopseed Phryma leptostachya
  • American mannagrass Glyceria grandis
  • American spikenard Aralia racemosa
  • American stoneseed Lithospermum latifolium
  • American white waterlily Nymphaea odorata
  • arrowleaf violet Viola sagittata
  • autumn coralroot Corallorhiza odontorhiza
  • autumn willow Salix serissima
  • azure bluet Houstonia caerulea
  • bald spikerush Eleocharis erythropoda
  • balsam groundsel Packera paupercula
  • bastard toadflax Comandra umbellata
  • bearded shorthusk Brachyelytrum erectum
  • Bebb willow Salix bebbiana
  • beggarslice Hackelia virginiana
  • biennial beeblossom Oenothera gaura
  • big devils beggartick Bidens vulgata
  • bigbract verbena Verbena bracteata
  • bigfruit hawthorn Crataegus macrosperma
  • birdfoot violet Viola pedata
  • blackseed plantain Plantago rugelii
  • blackseed ricegrass Patis racemosa
  • blisterwort Ranunculus recurvatus
  • blite goosefoot Chenopodium capitatum
  • bloodroot Sanguinaria canadensis
  • bloody butcher Trillium recurvatum
  • blue skullcap Scutellaria lateriflora
  • bluejacket Tradescantia ohiensis
  • bluntleaf sandwort Moehringia lateriflora
  • bog rosemary Andromeda polifolia
  • bog willow Salix pedicellaris
  • bog yellowcress Rorippa palustris
  • boreal bog sedge Carex magellanica
  • bottlebrush sedge Carex hystericina
  • bottomland aster Symphyotrichum ontarionis
  • box knotweed Polygonum buxiforme
  • branched bur-reed Sparganium androcladum
  • Brazilian watermeal Wolffia brasiliensis
  • bristly greenbrier Smilax tamnoides
  • brittle bladderfern Cystopteris fragilis
  • 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
  • Canadian anemone Anemone canadensis
  • Canadian blacksnakeroot Sanicula canadensis
  • Canadian clearweed Pilea pumila
  • Canadian honewort Cryptotaenia canadensis
  • Canadian wildginger Asarum canadense
  • candle anemone Anemone cylindrica
  • Carolina draba Draba reptans
  • Carolina horsenettle Solanum carolinense
  • Carolina mosquitofern Azolla caroliniana
  • Carolina puccoon Lithospermum caroliniense
  • Carolina vetch Vicia caroliniana
  • carpenter's square Scrophularia marilandica
  • Christmas fern Polystichum acrostichoides
  • clammy groundcherry Physalis heterophylla
  • clasping milkweed Asclepias amplexicaulis
  • clasping Venus' looking-glass Triodanis perfoliata
  • Clayton's sweetroot Osmorhiza claytonii
  • Cleland's evening primrose Oenothera clelandii
  • 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
  • Copenhagen hawthorn Crataegus intricata
  • Crawe's sedge Carex crawei
  • Crawford's sedge Carex crawfordii
  • cream pea Lathyrus ochroleucus
  • cuckoo flower Cardamine pratensis
  • Culver's root Veronicastrum virginicum
  • curlycup gumweed Grindelia squarrosa
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf grapefern Botrychium dissectum
  • cutleaf toothwort Cardamine concatenata
  • cypress-like sedge Carex pseudocyperus
  • dioecious sedge Carex sterilis
  • Dodge's hawthorn Crataegus dodgei
  • 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
  • dragon's mouth Arethusa bulbosa
  • Drummond's aster Symphyotrichum drummondii
  • Drummond's halfchaff sedge Lipocarpha drummondii
  • dryspike sedge Carex siccata
  • Dudley's rush Juncus dudleyi
  • dutchman's breeches Dicentra cucullaria
  • dwarf ginseng Panax trifolius
  • dwarf red blackberry Rubus pubescens
  • earleaf false foxglove Agalinis auriculata
  • early buttercup Ranunculus fascicularis
  • early goldenrod Solidago juncea
  • earlyleaf brome Bromus latiglumis
  • eastern bottlebrush grass Elymus hystrix
  • eastern daisy fleabane Erigeron annuus
  • eastern hemlockparsley Conioselinum chinense
  • eastern marsh fern Thelypteris palustris
  • eastern prickly gooseberry Ribes cynosbati
  • eastern swamp saxifrage Saxifraga pensylvanica
  • eastern waterleaf Hydrophyllum virginianum
  • elliptic spikerush Eleocharis elliptica
  • elmleaf goldenrod Solidago ulmifolia
  • eyebane Chamaesyce nutans
  • fall rosette grass Dichanthelium wilcoxianum
  • fall witchgrass Digitaria cognata
  • false Indian plantain Hasteola suaveolens
  • false mermaidweed Floerkea proserpinacoides
  • falsegold groundsel Packera pseudaurea
  • feathery false lily of the valley Maianthemum racemosum
  • fen grass of Parnassus Parnassia glauca
  • fernleaf yellow false foxglove Aureolaria pedicularia
  • fetid marigold Dyssodia papposa
  • feverwort Triosteum perfoliatum
  • fewflower spikerush Eleocharis quinqueflora
  • fewleaf sunflower Helianthus occidentalis
  • fewseed sedge Carex oligosperma
  • fibrousroot sedge Carex communis
  • field thistle Cirsium discolor
  • fireberry hawthorn Crataegus chrysocarpa
  • flat-top goldentop Euthamia graminifolia
  • flatleaf bladderwort Utricularia intermedia
  • fleshy hawthorn Crataegus succulenta
  • floating mannagrass Glyceria septentrionalis
  • flowering spurge Euphorbia corollata
  • fourflower yellow loosestrife Lysimachia quadriflora
  • foxtail barley Hordeum jubatum
  • fragrant bedstraw Galium triflorum
  • Fraser's marsh St. Johnswort Triadenum fraseri
  • Fries' pondweed Potamogeton friesii
  • fringed loosestrife Lysimachia ciliata
  • fringed willowherb Epilobium ciliatum
  • giant sunflower Helianthus giganteus
  • golden zizia Zizia aurea
  • goldenseal Hydrastis canadensis
  • grape honeysuckle Lonicera reticulata
  • grassleaf mudplantain Heteranthera dubia
  • great blue lobelia Lobelia siphilitica
  • great Indian plantain Arnoglossum reniforme
  • Great Plains flatsedge Cyperus lupulinus
  • Great Plains lady's tresses Spiranthes magnicamporum
  • great ragweed Ambrosia trifida
  • greater fringed gentian Gentianopsis crinita
  • greater water dock Rumex orbiculatus
  • Greek valerian Polemonium reptans
  • green comet milkweed Asclepias viridiflora
  • green fringed orchid Platanthera lacera
  • Greene's rush Juncus greenei
  • grooved flax Linum sulcatum
  • groovestem Indian plantain Arnoglossum plantagineum
  • hairy evening primrose Oenothera villosa
  • hairy hawkweed Hieracium longipilum
  • hairy hedgenettle Stachys pilosa
  • hairy pagoda-plant Blephilia hirsuta
  • hairy sunflower Helianthus hirsutus
  • hairy woodland brome Bromus pubescens
  • hairystem gooseberry Ribes hirtellum
  • 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 frostweed Helianthemum bicknellii
  • hoary puccoon Lithospermum canescens
  • hoary verbena Verbena stricta
  • Holmes' hawthorn Crataegus holmesiana
  • horned bladderwort Utricularia cornuta
  • horned pondweed Zannichellia palustris
  • humped bladderwort Utricularia gibba
  • Huron green orchid Platanthera huronensis
  • hybrid cattail Typha ×glauca
  • 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
  • jumpseed Polygonum virginianum
  • Kalm's hawkweed Hieracium kalmii
  • lanceleaf figwort Scrophularia lanceolata
  • lanceleaf fogfruit Phyla lanceolata
  • lanceleaf wild licorice Galium lanceolatum
  • large St. Johnswort Hypericum majus
  • largebract ticktrefoil Desmodium cuspidatum
  • largeflower bellwort Uvularia grandiflora
  • leathery grapefern Botrychium multifidum
  • leathery knotweed Polygonum achoreum
  • Leiberg's panicum Dichanthelium leibergii
  • lesser clearweed Pilea fontana
  • lesser yellow lady's slipper Cypripedium parviflorum
  • licorice bedstraw Galium circaezans
  • lilac penstemon Penstemon gracilis
  • limber honeysuckle Lonicera dioica
  • little evening primrose Oenothera perennis
  • longbract frog orchid Dactylorhiza viridis
  • longflower beeblossom Oenothera filiformis
  • longleaf groundcherry Physalis longifolia
  • longleaf summer bluet Houstonia longifolia
  • longstalk sedge Carex pedunculata
  • longstyle sweetroot Osmorhiza longistylis
  • low false bindweed Calystegia spithamaea
  • low nutrush Scleria verticillata
  • lowland bladderfern Cystopteris protrusa
  • manyfruit primrose-willow Ludwigia polycarpa
  • mapleleaf goosefoot Chenopodium simplex
  • marsh arrowgrass Triglochin palustris
  • marsh blue violet Viola cucullata
  • marsh horsetail Equisetum palustre
  • marsh pea Lathyrus palustris
  • marsh skullcap Scutellaria galericulata
  • Maryland sanicle Sanicula marilandica
  • mat sandbur Cenchrus longispinus
  • matted spikerush Eleocharis intermedia
  • Maximilian sunflower Helianthus maximiliani
  • mayapple Podophyllum peltatum
  • Mead's sedge Carex meadii
  • meadow garlic Allium canadense
  • meadow willow Salix petiolaris
  • meadow zizia Zizia aptera
  • Mexican Mosquito Fern Azolla microphylla
  • Michaux's stitchwort Minuartia michauxii
  • Michigan lily Lilium michiganense
  • Missouri gooseberry Ribes missouriense
  • moccasin flower Cypripedium acaule
  • mountain deathcamas Zigadenus elegans
  • naked miterwort Mitella nuda
  • nakedflower ticktrefoil Desmodium nudiflorum
  • narrowleaf bur-reed Sparganium angustifolium
  • narrowleaf pinweed Lechea tenuifolia
  • narrowleaf pondweed Potamogeton strictifolius
  • narrowleaf stoneseed Lithospermum incisum
  • narrowleaf vervain Verbena simplex
  • narrowleaf wild leek Allium burdickii
  • neckweed Veronica peregrina
  • needle beaksedge Rhynchospora capillacea
  • New England aster Symphyotrichum novae-angliae
  • nodding onion Allium cernuum
  • nodding wakerobin Trillium flexipes
  • northern adderstongue Ophioglossum pusillum
  • northern bog aster Symphyotrichum boreale
  • northern bog bedstraw Galium labradoricum
  • northern bog violet Viola nephrophylla
  • northern evening primrose Oenothera parviflora
  • northern green rush Juncus alpinoarticulatus
  • northern hawthorn Crataegus dissona
  • northern sweetgrass Hierochloe hirta
  • northern water plantain Alisma triviale
  • northern watermeal Wolffia borealis
  • northern wildrice Zizania palustris
  • Norwegian cinquefoil Potentilla norvegica
  • Nuttall's prairie parsley Polytaenia nuttallii
  • Oakes' evening primrose Oenothera oakesiana
  • Oakes' pondweed Potamogeton oakesianus
  • obedient plant Physostegia virginiana
  • oneseed bur cucumber Sicyos angulatus
  • Ontario lobelia Lobelia kalmii
  • openfield sedge Carex conoidea
  • orangefruit horse-gentian Triosteum aurantiacum
  • pale dock Rumex altissimus
  • pale Indian plantain Arnoglossum atriplicifolium
  • pale sedge Carex pallescens
  • palegreen orchid Platanthera flava
  • 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
  • plain gentian Gentiana alba
  • plaitleaf dewberry Rubus plicatifolius
  • pointedleaf ticktrefoil Desmodium glutinosum
  • poison sumac Toxicodendron vernix
  • poke milkweed Asclepias exaltata
  • poverty dropseed Sporobolus vaginiflorus
  • poverty oatgrass Danthonia spicata
  • prairie blue-eyed grass Sisyrinchium campestre
  • prairie goldenrod Oligoneuron album
  • 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 violet Viola pedatifida
  • pubescent sedge Carex hirtifolia
  • puffsheath dropseed Sporobolus neglectus
  • purple chokeberry Aronia ×prunifolia
  • purple false foxglove Agalinis purpurea
  • purple giant hyssop Agastache scrophulariifolia
  • purple marshlocks Comarum palustre
  • purple meadow-rue Thalictrum dasycarpum
  • purple meadowparsnip Thaspium trifoliatum
  • purple milkweed Asclepias purpurascens
  • purple milkwort Polygala sanguinea
  • purple pitcherplant Sarracenia purpurea
  • purple rattlesnakeroot Prenanthes racemosa
  • purplestem angelica Angelica atropurpurea
  • rabbit-tobacco Pseudognaphalium obtusifolium
  • racemed milkwort Polygala polygama
  • ramp Allium tricoccum
  • rannoch-rush Scheuchzeria palustris
  • red columbine Aquilegia canadensis
  • redwhisker clammyweed Polanisia dodecandra
  • ribseed sandmat Chamaesyce glyptosperma
  • Richardson's alumroot Heuchera richardsonii
  • Richardson's pondweed Potamogeton richardsonii
  • Richardson's sedge Carex richardsonii
  • rigid sedge Carex tetanica
  • robin's plantain Erigeron pulchellus
  • rope dodder Cuscuta glomerata
  • rose blackberry Rubus rosa
  • rose mock vervain Glandularia canadensis
  • rosy sedge Carex rosea
  • rough barnyardgrass Echinochloa muricata
  • rough false pennyroyal Hedeoma hispida
  • rough hawkweed Hieracium scabrum
  • roundleaf sundew Drosera rotundifolia
  • roundseed St. Johnswort Hypericum sphaerocarpum
  • Sartwell's sedge Carex sartwellii
  • scaldweed Cuscuta gronovii
  • scarlet hawthorn Crataegus pedicellata
  • scentbottle Platanthera dilatata
  • Schweinitz's flatsedge Cyperus schweinitzii
  • seaside arrowgrass Triglochin maritima
  • Seneca snakeroot Polygala senega
  • sensitive fern Onoclea sensibilis
  • sessilefruit arrowhead Sagittaria rigida
  • shining bedstraw Galium concinnum
  • shining clubmoss Huperzia lucidula
  • Short's aster Symphyotrichum shortii
  • shortbeak arrowhead Sagittaria brevirostra
  • shortbeak sedge Carex brevior
  • shortspike watermilfoil Myriophyllum sibiricum
  • showy goldenrod Solidago speciosa
  • showy lady's slipper Cypripedium reginae
  • showy orchid Galearis spectabilis
  • showy ticktrefoil Desmodium canadense
  • sicklepod Arabis canadensis
  • silky dogwood Cornus obliqua
  • skyblue aster Symphyotrichum oolentangiense
  • sleepy silene Silene antirrhina
  • slender wedgescale Sphenopholis intermedia
  • slender yellow woodsorrel Oxalis dillenii
  • slenderleaf false foxglove Agalinis tenuifolia
  • slimleaf panicgrass Dichanthelium linearifolium
  • small cranberry Vaccinium oxycoccos
  • small skullcap Scutellaria parvula
  • smallflower false foxglove Agalinis paupercula
  • Smith's bulrush Schoenoplectiella smithii
  • smooth oxeye Heliopsis helianthoides
  • smooth rockcress Arabis laevigata
  • smooth rose Rosa blanda
  • smooth sawgrass Cladium mariscoides
  • smooth Solomon's seal Polygonatum biflorum
  • snakemouth orchid Pogonia ophioglossoides
  • soft agrimony Agrimonia pubescens
  • spinulose woodfern Dryopteris carthusiana
  • spiny naiad Najas marina
  • spoonleaf sundew Drosera intermedia
  • spotted beebalm Monarda punctata
  • spotted geranium Geranium maculatum
  • spotted sandmat Chamaesyce maculata
  • spotted water hemlock Cicuta maculata
  • spreading dogbane Apocynum androsaemifolium
  • starflower Trientalis borealis
  • starry false lily of the valley Maianthemum stellatum
  • sticky tofieldia Triantha glutinosa
  • stiff cowbane Oxypolis rigidior
  • stiff sunflower Helianthus pauciflorus
  • stiff tickseed Coreopsis palmata
  • summer coralroot Corallorhiza maculata
  • swamp lousewort Pedicularis lanceolata
  • swamp thistle Cirsium muticum
  • swamp verbena Verbena hastata
  • swaying bulrush Schoenoplectus subterminalis
  • 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
  • thinleaf cottonsedge Eriophorum viridicarinatum
  • thinleaf sedge Carex cephaloidea
  • thinleaf sunflower Helianthus decapetalus
  • threeleaf false lily of the valley Maianthemum trifolium
  • tiny trumpet Collomia linearis
  • tobacco root Valeriana edulis
  • tower rockcress Arabis glabra
  • tuberous grasspink Calopogon tuberosus
  • tufted lovegrass Eragrostis pectinacea
  • turion duckweed Lemna turionifera
  • tussock cottongrass Eriophorum vaginatum
  • twoflower dwarfdandelion Krigia biflora
  • twoleaf miterwort Mitella diphylla
  • twoleaf watermilfoil Myriophyllum heterophyllum
  • umbrella flatsedge Cyperus diandrus
  • upland boneset Eupatorium sessilifolium
  • upland brittle bladderfern Cystopteris tenuis
  • upright carrionflower Smilax ecirrhata
  • veiny pea Lathyrus venosus
  • velvetleaf huckleberry Vaccinium myrtilloides
  • 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
  • water arum Calla palustris
  • watershield Brasenia schreberi
  • waxflower shinleaf Pyrola elliptica
  • waxyfruit hawthorn Crataegus pruinosa
  • weakstalk bulrush Schoenoplectiella purshiana
  • western poison ivy Toxicodendron rydbergii
  • western rockjasmine Androsace occidentalis
  • western silver aster Symphyotrichum sericeum
  • western tansymustard Descurainia pinnata
  • western waterweed Elodea nuttallii
  • whip nutrush Scleria triglomerata
  • whip-poor-will flower Trillium cernuum
  • white baneberry Actaea pachypoda
  • white beaksedge Rhynchospora alba
  • white blue-eyed grass Sisyrinchium albidum
  • 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
  • whiteflower leafcup Polymnia canadensis
  • wholeleaf rosinweed Silphium integrifolium
  • whorl-leaf watermilfoil Myriophyllum verticillatum
  • whorled milkweed Asclepias verticillata
  • whorled milkwort Polygala verticillata
  • whorled yellow loosestrife Lysimachia quadrifolia
  • widowsfrill Silene stellata
  • wild cucumber Echinocystis lobata
  • wild yam Dioscorea villosa
  • winged lythrum Lythrum alatum
  • winged pigweed Cycloloma atriplicifolium
  • wiry panicgrass Panicum flexile
  • witchgrass Panicum capillare
  • woman's tobacco Antennaria plantaginifolia
  • wood anemone Anemone quinquefolia
  • wood lily Lilium philadelphicum
  • woodbine Parthenocissus vitacea
  • woodland strawberry Fragaria vesca
  • woolly sedge Carex pellita
  • woollyfruit sedge Carex lasiocarpa
  • yellow avens Geum aleppicum
  • yellow coralroot Corallorhiza trifida
  • yellow giant hyssop Agastache nepetoides
  • yellow pimpernel Taenidia integerrima
  • yellow widelip orchid Liparis loeselii
  • yellowseed false pimpernel Lindernia dubia
Also listed as native and introduced here 5

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
  • hedge false bindweedCalystegia sepium
  • Kentucky bluegrassPoa pratensis
  • wood bluegrassPoa nemoralis

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, Walworth County and Wisconsin
MeasureWalworth CountyTypical countyStatewide
Native species 817 653 1,568
Garden-ready natives 330 272 551
Tree 68 — 125
Shrub 43 — 102
Wildflower (forb) 476 — 853
Grass or grass-like 176 — 361
Vine 30 — 46
Fern 24 — 81

Neighboring counties

Counties that share a ZIP code with Walworth 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
Walworth County (county FIPS 55127), Wisconsin. 817 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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