Native plants · Wisconsin

Native plants of Polk County

665 plant species are recorded as native to Wisconsin in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Polk County by USDA PLANTS. 278 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Polk County, Wisconsin

Native species: 665 Typical Wisconsin county: 653 (median of 71 counties)
Garden-ready natives: 278 Typical Wisconsin county: 272
Share by type (all 665 native species): Percent of the 665 native species in each growth type

Tree 8% (50)
Shrub 7% (48)
Wildflower (forb) 55% (366)
Grass or grass-like 21% (142)
Vine 3% (22)
Fern 6% (37)

Wildflowers make up the largest share of the native list (55%), followed by grasses and grass-like plants (21%).

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 4a to 4b (2023 map).

The native plant list

Garden-ready natives 278

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

Garden-ready native plants of Polk County, Wisconsin
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 lotus Nelumbo lutea	Wildflower (forb)	3 ft	Sun	High	Zone 3b
American red raspberry Rubus idaeus	Shrub	6 ft	Shade-tolerant	—	Zone 1a
American speedwell Veronica americana	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 3b
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
arborvitae Thuja occidentalis	Tree	50 ft	Sun–part shade	Medium	Zone 4a
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
awlfruit sedge Carex stipata	Grass or grass-like	3.5 ft	Shade-tolerant	Medium	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
bigleaf aster Eurybia macrophylla	Wildflower (forb)	4.6 ft	Shade-tolerant	Medium	Zone 4b
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 raspberry Rubus occidentalis	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blister sedge Carex vesicaria	Grass or grass-like	3 ft	Sun–part shade	High	Zone 3b
blue cohosh Caulophyllum thalictroides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
bluebead Clintonia borealis	Wildflower (forb)	1.1 ft	Sun	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 Labrador tea Ledum groenlandicum	Shrub	3 ft	Sun–part shade	Medium	Zone 4a
bog laurel Kalmia polifolia	Shrub	1 ft	Shade-tolerant	Medium	Zone 4b
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
broom sedge Carex scoparia	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 3b
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
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 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
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 plum Prunus nigra	Tree	9 ft	Sun	—	Zone 9b
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 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
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 duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
common juniper Juniperus communis	Tree	10 ft	Sun	Low	Zone 3a
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 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
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
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
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
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 blazing star Liatris punctata	Wildflower (forb)	2 ft	Sun	Medium	Zone 3a
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
Drummond's rockcress Arabis drummondii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
eastern redcedar Juniperus virginiana	Tree	50 ft	Sun–part shade	Low	Zone 3a
eastern teaberry Gaultheria procumbens	Shrub	6 in	Shade-tolerant	Low	Zone 4a
eastern white pine Pinus strobus	Tree	150 ft	Sun–part shade	Medium	Zone 4a
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
fireweed Chamerion angustifolium	Wildflower (forb)	5.5 ft	Sun–part shade	High	Zone 3b
flatstem pondweed Potamogeton zosteriformis	Wildflower (forb)	—	Sun	High	Zone 3b
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
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
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
gray alder Alnus incana	Tree	25 ft	Sun–part shade	High	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
great St. Johnswort Hypericum ascyron	Wildflower (forb)	5 ft	Sun	Medium	Zone 5a
greater bladder sedge Carex intumescens	Grass or grass-like	3 ft	Shade-tolerant	High	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 grama Bouteloua hirsuta	Grass or grass-like	6 in	Sun	Low	Zone 3b
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
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
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
jack pine Pinus banksiana	Tree	80 ft	Sun	Low	Zone 2a
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
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
largeleaf pondweed Potamogeton amplifolius	Wildflower (forb)	—	Sun	High	Zone 4a
leadplant Amorpha canescens	Shrub	4 ft	Shade-tolerant	Low	Zone 3b
leatherleaf Chamaedaphne calyculata	Shrub	4 ft	Sun–part shade	High	Zone 4b
limestone meadow sedge Carex granularis	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 4a
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
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
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
mountain maple Acer spicatum	Tree	25 ft	Shade-tolerant	Medium	Zone 2b
nannyberry Viburnum lentago	Tree	28 ft	Shade-tolerant	Medium	Zone 4a
necklace sedge Carex projecta	Grass or grass-like	2 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
nodding beggartick Bidens cernua	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
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
oval-leaf sedge Carex cephalophora	Grass or grass-like	2.6 ft	Sun–part shade	Low	Zone 4a
panicled bulrush Scirpus microcarpus	Grass or grass-like	5.5 ft	Sun	Medium	Zone 3b
paper birch Betula papyrifera	Tree	70 ft	Sun	High	Zone 1a
Pennsylvania bittercress Cardamine pensylvanica	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 4a
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
pickerelweed Pontederia cordata	Wildflower (forb)	3.2 ft	Sun	High	Zone 5a
pin cherry Prunus pensylvanica	Tree	30 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 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
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
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 currant Ribes triste	Shrub	2 ft	Shade-tolerant	Medium	Zone 1a
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 pine Pinus resinosa	Tree	80 ft	Sun	Low	Zone 3a
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
rock elm Ulmus thomasii	Tree	90 ft	Sun–part shade	High	Zone 2b
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
roundleaf serviceberry Amelanchier sanguinea	Tree	10 ft	Shade-tolerant	Medium	Zone 3a
sago pondweed Stuckenia pectinata	Wildflower (forb)	—	Sun	High	Zone 3b
scarlet Indian paintbrush Castilleja coccinea	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 4b
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
silvery sedge Carex canescens	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
skunk cabbage Symplocarpus foetidus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 4a
slender bulrush Schoenoplectus heterochaetus	Grass or grass-like	4.9 ft	Sun	High	Zone 3b
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 beggarticks Bidens discoidea	Wildflower (forb)	5.2 ft	Sun–part shade	High	Zone 12b
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
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 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 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
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
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
steeplebush Spiraea tomentosa	Shrub	4 ft	Sun	Low	Zone 4a
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
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 cinquefoil Potentilla arguta	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3b
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
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
threeseeded sedge Carex trisperma	Grass or grass-like	1.9 ft	Shade-tolerant	High	Zone 4a
tufted hairgrass Deschampsia cespitosa	Grass or grass-like	3.4 ft	Sun	Low	Zone 3b
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
variableleaf pondweed Potamogeton gramineus	Wildflower (forb)	—	Sun	High	Zone 3b
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
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 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 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
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
woodland horsetail Equisetum sylvaticum	Fern	11 in	Shade-tolerant	Low	Zone 3a
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a
woolly beachheather Hudsonia tomentosa	Shrub	1 ft	Sun	Low	Zone 6a
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 marsh marigold Caltha palustris	Wildflower (forb)	2 ft	Sun	High	Zone 3b

Other native species recorded here 387

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
allegheny vine Adlumia fungosa
alpine violet Viola labradorica
American bladdernut Staphylea trifolia
American burnweed Erechtites hieraciifolius
American dragonhead Dracocephalum parviflorum
American fly honeysuckle Lonicera canadensis
American golden saxifrage Chrysosplenium americanum
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
American mannagrass Glyceria grandis
American marshpennywort Hydrocotyle americana
American spikenard Aralia racemosa
American stoneseed Lithospermum latifolium
American white waterlily Nymphaea odorata
arrowfeather threeawn Aristida purpurascens
arrowleaf violet Viola sagittata
autumn onion Allium stellatum
bald spikerush Eleocharis erythropoda
bastard toadflax Comandra umbellata
bearded flatsedge Cyperus squarrosus
bearded shorthusk Brachyelytrum erectum
Beck's water-marigold Bidens beckii
beggarslice Hackelia virginiana
Bicknell's cranesbill Geranium bicknellii
big devils beggartick Bidens vulgata
birdfoot violet Viola pedata
blackseed ricegrass Patis racemosa
bloodroot Sanguinaria canadensis
blue giant hyssop Agastache foeniculum
blue skullcap Scutellaria lateriflora
bluejacket Tradescantia ohiensis
bluntleaf sandwort Moehringia lateriflora
bluntlobe cliff fern Woodsia obtusa
bog bluegrass Poa paludigena
bog rosemary Andromeda polifolia
bog white violet Viola lanceolata
bog yellowcress Rorippa palustris
boreal bog sedge Carex magellanica
bottlebrush sedge Carex hystericina
bottomland aster Symphyotrichum ontarionis
branched bur-reed Sparganium androcladum
bristleleaf sedge Carex eburnea
bristly greenbrier Smilax tamnoides
brittle bladderfern Cystopteris fragilis
brittle pricklypear Opuntia fragilis
brome-like sedge Carex bromoides
brownfruit rush Juncus pelocarpus
brownish sedge Carex brunnescens
bulblet bladderfern Cystopteris bulbifera
bulblet-bearing water hemlock Cicuta bulbifera
Canada lettuce Lactuca canadensis
Canada mayflower Maianthemum canadense
Canadian anemone Anemone canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian wildginger Asarum canadense
Canadian woodnettle Laportea canadensis
Carolina larkspur Delphinium carolinianum
Carolina puccoon Lithospermum caroliniense
clammy groundcherry Physalis heterophylla
clammy hedgehyssop Gratiola neglecta
Clayton's sweetroot Osmorhiza claytonii
climbing false buckwheat Polygonum scandens
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 pricklyash Zanthoxylum americanum
common threeseed mercury Acalypha rhomboidea
common woodrush Luzula multiflora
common yellow oxalis Oxalis stricta
cranberry Vaccinium macrocarpon
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
densetuft hairsedge Bulbostylis capillaris
downy phlox Phlox pilosa
downy rattlesnake plantain Goodyera pubescens
drooping woodland sedge Carex arctata
Drummond's halfchaff sedge Lipocarpha drummondii
dryspike sedge Carex siccata
dwarf red blackberry Rubus pubescens
dwarf scouringrush Equisetum scirpoides
early goldenrod Solidago juncea
earth loosestrife Lysimachia terrestris
eastern bottlebrush grass Elymus hystrix
eastern leatherwood Dirca palustris
eastern marsh fern Thelypteris palustris
eastern prickly gooseberry Ribes cynosbati
eastern waterleaf Hydrophyllum virginianum
Emory's sedge Carex emoryi
Equisetum ×ferrissii Equisetum ×ferrissii
erect knotweed Polygonum erectum
eyebane Chamaesyce nutans
false melic Schizachne purpurascens
false mermaidweed Floerkea proserpinacoides
fan clubmoss Lycopodium digitatum
feathery false lily of the valley Maianthemum racemosum
fernleaf yellow false foxglove Aureolaria pedicularia
field thistle Cirsium discolor
fireberry hawthorn Crataegus chrysocarpa
flat-top goldentop Euthamia graminifolia
fleshy hawthorn Crataegus succulenta
flowering spurge Euphorbia corollata
fluxweed Trichostema brachiatum
forked threeawn Aristida basiramea
foxtail barley Hordeum jubatum
fragile rockbrake Cryptogramma stelleri
fragrant bedstraw Galium triflorum
Fraser's marsh St. Johnswort Triadenum fraseri
Fries' pondweed Potamogeton friesii
fringed loosestrife Lysimachia ciliata
fringed willowherb Epilobium ciliatum
Geyer's sandmat Chamaesyce geyeri
giant sunflower Helianthus giganteus
golden zizia Zizia aurea
grassleaf mudplantain Heteranthera dubia
great blue lobelia Lobelia siphilitica
Great Plains flatsedge Cyperus lupulinus
great ragweed Ambrosia trifida
greater water dock Rumex orbiculatus
green adder's-mouth orchid Malaxis unifolia
green carpetweed Mollugo verticillata
green comet milkweed Asclepias viridiflora
green fringed orchid Platanthera lacera
hairy evening primrose Oenothera villosa
hairy four o'clock Mirabilis hirsuta
hairy sunflower Helianthus hirsutus
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairystem gooseberry Ribes hirtellum
halberdleaf tearthumb Polygonum arifolium
harlequin blueflag Iris versicolor
hazel dodder Cuscuta coryli
heartleaf four o'clock Mirabilis nyctaginea
Heller's rosette grass Dichanthelium oligosanthes
hemlock rosette grass Dichanthelium sabulorum
hemlock waterparsnip Sium suave
hoary frostweed Helianthemum bicknellii
hoary puccoon Lithospermum canescens
hoary verbena Verbena stricta
hookedspur violet Viola adunca
Howell's pussytoes Antennaria howellii
hybrid cattail Typha ×glauca
Illinois pondweed Potamogeton illinoensis
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
knotsheath sedge Carex retrorsa
lace grass Eragrostis capillaris
lanceleaf figwort Scrophularia lanceolata
large beardtongue Penstemon grandiflorus
large St. Johnswort Hypericum majus
largeflower bellwort Uvularia grandiflora
largepod pinweed Lechea intermedia
leathery grapefern Botrychium multifidum
Leiberg's panicum Dichanthelium leibergii
lesser clearweed Pilea fontana
lesser purple fringed orchid Platanthera psycodes
lesser yellow lady's slipper Cypripedium parviflorum
lilac penstemon Penstemon gracilis
limber honeysuckle Lonicera dioica
Lindley's aster Symphyotrichum ciliolatum
little evening primrose Oenothera perennis
long beechfern Phegopteris connectilis
longbranch frostweed Helianthemum canadense
longleaf summer bluet Houstonia longifolia
longstalk sedge Carex pedunculata
longstyle sweetroot Osmorhiza longistylis
lowland yellow loosestrife Lysimachia hybrida
lyrate rockcress Arabis lyrata
manyfruit primrose-willow Ludwigia polycarpa
mapleleaf goosefoot Chenopodium simplex
marsh pea Lathyrus palustris
marsh skullcap Scutellaria galericulata
marsh willowherb Epilobium palustre
Maryland sanicle Sanicula marilandica
mat sandbur Cenchrus longispinus
matricary grapefern Botrychium matricariifolium
meadow garlic Allium canadense
meadow horsetail Equisetum pratense
Michaux's stitchwort Minuartia michauxii
Michigan lily Lilium michiganense
Missouri gooseberry Ribes missouriense
moccasin flower Cypripedium acaule
mountain ricegrass Piptatheropsis pungens
narrowleaf bur-reed Sparganium angustifolium
narrowleaf cowwheat Melampyrum lineare
narrowleaf hawkweed Hieracium umbellatum
narrowleaf wild leek Allium burdickii
narrowpanicle rush Juncus brevicaudatus
neckweed Veronica peregrina
New England aster Symphyotrichum novae-angliae
nodding stickseed Hackelia deflexa
nodding wakerobin Trillium flexipes
northern bog aster Symphyotrichum boreale
northern bog violet Viola nephrophylla
northern evening primrose Oenothera parviflora
northern selaginella Selaginella rupestris
northern shorthusk Brachyelytrum aristosum
northern water plantain Alisma triviale
northern watermeal Wolffia borealis
northern wildrice Zizania palustris
Norwegian cinquefoil Potentilla norvegica
obedient plant Physostegia virginiana
Ontario blazing star Liatris cylindracea
Ontario lobelia Lobelia kalmii
orangefruit horse-gentian Triosteum aurantiacum
Oregon cliff fern Woodsia oregana
pale dock Rumex altissimus
pale St. Johnswort Hypericum ellipticum
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
Peck's sedge Carex peckii
Pennsylvania clubmoss Lycopodium hickeyi
Pennsylvania pellitory Parietaria pensylvanica
Pennsylvania sedge Carex pensylvanica
pinesap Monotropa hypopitys
plain gentian Gentiana alba
plaitleaf dewberry Rubus plicatifolius
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 ironweed Vernonia fasciculata
prairie rose Rosa arkansana
prairie spiderwort Tradescantia occidentalis
prairie violet Viola pedatifida
purple chokeberry Aronia ×prunifolia
purple false foxglove Agalinis purpurea
purple giant hyssop Agastache scrophulariifolia
purple marshlocks Comarum palustre
purple meadow-rue Thalictrum dasycarpum
purple milkwort Polygala sanguinea
purple pitcherplant Sarracenia purpurea
purplestem angelica Angelica atropurpurea
rabbit-tobacco Pseudognaphalium obtusifolium
racemed milkwort Polygala polygama
ramp Allium tricoccum
rare clubmoss Lycopodium obscurum
red columbine Aquilegia canadensis
redwhisker clammyweed Polanisia dodecandra
ribseed sandmat Chamaesyce glyptosperma
Richardson's alumroot Heuchera richardsonii
Richardson's pondweed Potamogeton richardsonii
Robbins' spikerush Eleocharis robbinsii
rock harlequin Corydalis sempervirens
rock polypody Polypodium virginianum
rosy sedge Carex rosea
rough barnyardgrass Echinochloa muricata
rough false pennyroyal Hedeoma hispida
rough hawkweed Hieracium scabrum
roughleaf ricegrass Oryzopsis asperifolia
roundleaf sundew Drosera rotundifolia
running clubmoss Lycopodium clavatum
rusty woodsia Woodsia ilvensis
sand bittercress Cardamine parviflora
sand violet Viola affinis
scaldweed Cuscuta gronovii
scentbottle Platanthera dilatata
Schuette's hawthorn Crataegus schuettei
Schweinitz's flatsedge Cyperus schweinitzii
scrambled eggs Corydalis aurea
Seneca snakeroot Polygala senega
sensitive fern Onoclea sensibilis
sessilefruit arrowhead Sagittaria rigida
sessileleaf bellwort Uvularia sessilifolia
sevenangle pipewort Eriocaulon aquaticum
shaved sedge Carex tonsa
shining bedstraw Galium concinnum
shining clubmoss Huperzia lucidula
Short's rockcress Arabis shortii
shortspike watermilfoil Myriophyllum sibiricum
showy goldenrod Solidago speciosa
showy orchid Galearis spectabilis
showy ticktrefoil Desmodium canadense
sicklepod Arabis canadensis
sidebells wintergreen Orthilia secunda
silky dogwood Cornus obliqua
silky prairie clover Dalea villosa
silverleaf Indian breadroot Pediomelum argophyllum
skullcap speedwell Veronica scutellata
skunk currant Ribes glandulosum
skyblue aster Symphyotrichum oolentangiense
sleepy silene Silene antirrhina
slender fimbry Fimbristylis autumnalis
slender snakecotton Froelichia gracilis
slender wedgescale Sphenopholis intermedia
slenderleaf false foxglove Agalinis tenuifolia
slimleaf panicgrass Dichanthelium linearifolium
small bur-reed Sparganium natans
small cranberry Vaccinium oxycoccos
small pondweed Potamogeton pusillus
small skullcap Scutellaria parvula
small waterwort Elatine minima
smallflower false foxglove Agalinis paupercula
smooth cliffbrake Pellaea glabella
smooth oxeye Heliopsis helianthoides
smooth rose Rosa blanda
smooth Solomon's seal Polygonatum biflorum
soft agrimony Agrimonia pubescens
southwestern waterwort Elatine rubella
spinulose woodfern Dryopteris carthusiana
spiral pondweed Potamogeton spirillus
spotted geranium Geranium maculatum
spotted pondweed Potamogeton pulcher
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading dogbane Apocynum androsaemifolium
Sprengel's sedge Carex sprengelii
starflower Trientalis borealis
starry false lily of the valley Maianthemum stellatum
stiff sunflower Helianthus pauciflorus
stiff tickseed Coreopsis palmata
strict blue-eyed grass Sisyrinchium montanum
sundial lupine Lupinus perennis
swamp lousewort Pedicularis lanceolata
swamp thistle Cirsium muticum
swamp verbena Verbena hastata
sweetscented joe pye weed Eutrochium purpureum
tall blazing star Liatris aspera
tarragon Artemisia dracunculus
Torrey's bulrush Schoenoplectus torreyi
tower rockcress Arabis glabra
tree groundpine Lycopodium dendroideum
tuberous grasspink Calopogon tuberosus
Tuckerman's sedge Carex tuckermanii
tufted lovegrass Eragrostis pectinacea
turion duckweed Lemna turionifera
twistedstalk Streptopus lanceolatus
twoleaf miterwort Mitella diphylla
upland brittle bladderfern Cystopteris tenuis
upright carrionflower Smilax ecirrhata
Vasey's pondweed Potamogeton vaseyi
veiny meadow-rue Thalictrum venulosum
veiny pea Lathyrus venosus
violet woodsorrel Oxalis violacea
Virginia mountainmint Pycnanthemum virginianum
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
walking fern Asplenium rhizophyllum
water arum Calla palustris
watershield Brasenia schreberi
waxflower shinleaf Pyrola elliptica
weakstalk bulrush Schoenoplectiella purshiana
western oakfern Gymnocarpium dryopteris
western rockjasmine Androsace occidentalis
western silver aster Symphyotrichum sericeum
western waterweed Elodea nuttallii
whip-poor-will flower Trillium cernuum
white beaksedge Rhynchospora alba
white fawnlily Erythronium albidum
white heath aster Symphyotrichum ericoides
white rattlesnakeroot Prenanthes alba
white snakeroot Ageratina altissima
white trillium Trillium grandiflorum
white turtlehead Chelone glabra
white vervain Verbena urticifolia
whorl-leaf watermilfoil Myriophyllum verticillatum
Wiegand's wildrye Elymus wiegandii
wild cucumber Echinocystis lobata
wild yam Dioscorea villosa
witchgrass Panicum capillare
wood lily Lilium philadelphicum
woodbine Parthenocissus vitacea
woolly sedge Carex pellita
yellow avens Geum aleppicum
yellow coralroot Corallorhiza trifida
yellowseed false pimpernel Lindernia dubia

Also listed as native and introduced here 2

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
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, Polk County and Wisconsin
Measure	Polk County	Typical county	Statewide
Native species	665	653	1,568
Garden-ready natives	278	272	551
Tree	50	—	125
Shrub	48	—	102
Wildflower (forb)	366	—	853
Grass or grass-like	142	—	361
Vine	22	—	46
Fern	37	—	81

Neighboring counties

Counties that share a ZIP code with Polk County.

Barron County, WI 226 garden-ready
Burnett County, WI 231 garden-ready
Dunn County, WI 211 garden-ready
St. Croix County, WI 257 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: Polk County (county FIPS 55095), Wisconsin. 665 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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