Native plants · Wisconsin

Native plants of Ozaukee County

524 plant species are recorded as native to Wisconsin in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Ozaukee County by USDA PLANTS. 225 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 3 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Ozaukee County, Wisconsin

Native species: 524 Typical Wisconsin county: 653 (median of 71 counties)
Garden-ready natives: 225 Typical Wisconsin county: 272
Share by type (all 524 native species): Percent of the 524 native species in each growth type

Tree 11% (60)
Shrub 7% (38)
Wildflower (forb) 50% (264)
Grass or grass-like 22% (114)
Vine 4% (19)
Fern 6% (29)

Wildflowers make up the largest share of the native list (50%), 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 zones 5b to 6a (2023 map).

The native plant list

Garden-ready natives 225

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

Garden-ready native plants of Ozaukee County, Wisconsin
Plant	Type	Height	Light	Water use	Hardy to
alderleaf buckthorn Rhamnus alnifolia	Shrub	3 ft	Shade-tolerant	High	Zone 4a
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 beachgrass Ammophila breviligulata	Grass or grass-like	2.5 ft	Sun	Medium	Zone 4b
American beech Fagus grandifolia	Tree	80 ft	Shade-tolerant	Medium	Zone 3a
American bittersweet Celastrus scandens	Vine	15 ft	Shade-tolerant	High	Zone 3b
American black currant Ribes americanum	Shrub	3 ft	—	—	Zone 2b
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 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 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
arumleaf arrowhead Sagittaria cuneata	Wildflower (forb)	2.6 ft	Sun	Medium	Zone 4a
awlfruit sedge Carex stipata	Grass or grass-like	3.5 ft	Shade-tolerant	Medium	Zone 3b
beach pea Lathyrus japonicus	Vine	1.5 ft	Sun–part shade	Medium	Zone 4a
Bebb's sedge Carex bebbii	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 3b
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 maple Acer nigrum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
black raspberry Rubus occidentalis	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
black spruce Picea mariana	Tree	65 ft	Shade-tolerant	High	Zone 1a
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blackhaw Viburnum prunifolium	Tree	16 ft	Shade-tolerant	Medium	Zone 4a
blue cohosh Caulophyllum thalictroides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
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 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 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
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
buckbean Menyanthes trifoliata	Wildflower (forb)	10 in	Sun–part shade	High	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	—
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
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
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 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 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
composite dropseed Sporobolus compositus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
crested sedge Carex cristatella	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
crested woodfern Dryopteris cristata	Fern	1.6 ft	Shade-tolerant	High	Zone 4a
crookedstem aster Symphyotrichum prenanthoides	Wildflower (forb)	4 ft	Sun	Medium	Zone 3b
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
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
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
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
eastern woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
fireweed Chamerion angustifolium	Wildflower (forb)	5.5 ft	Sun–part shade	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
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
golden sedge Carex aurea	Grass or grass-like	1.2 ft	Sun–part shade	High	Zone 4a
graceful sedge Carex gracillima	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4a
gray 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
green arrow arum Peltandra virginica	Wildflower (forb)	2.3 ft	Sun–part shade	High	Zone 5a
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
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
hooded lady's tresses Spiranthes romanzoffiana	Wildflower (forb)	2.5 ft	Sun–part shade	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
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
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
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 bittercress Cardamine douglassii	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4a
limestone meadow sedge Carex granularis	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 4a
littleleaf buttercup Ranunculus abortivus	Wildflower (forb)	2.8 ft	Shade-tolerant	Medium	Zone 3a
livid sedge Carex livida	Grass or grass-like	1 ft	Sun	—	Zone 1a
longhair sedge Carex comosa	Grass or grass-like	5 ft	Sun–part shade	High	Zone 4b
mapleleaf viburnum Viburnum acerifolium	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
marsh bellflower Campanula aparinoides	Wildflower (forb)	2 ft	Sun	High	Zone 3b
Mexican muhly Muhlenbergia mexicana	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4a
mountain maple Acer spicatum	Tree	25 ft	Shade-tolerant	Medium	Zone 2b
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
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
nodding beggartick Bidens cernua	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
nodding fescue Festuca subverticillata	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3a
northern 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 mountain ash Sorbus decora	Tree	40 ft	Shade-tolerant	Low	Zone 2a
northern red oak Quercus rubra	Tree	81 ft	Sun–part shade	Medium	Zone 3b
Northwest Territory sedge Carex utriculata	Grass or grass-like	3.5 ft	Sun	High	Zone 3a
oval-leaf sedge Carex cephalophora	Grass or grass-like	2.6 ft	Sun–part shade	Low	Zone 4a
paper birch Betula papyrifera	Tree	70 ft	Sun	High	Zone 1a
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
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 fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
prairie sandreed Calamovilfa longifolia	Grass or grass-like	4.5 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
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
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
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
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
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
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
russet buffaloberry Shepherdia canadensis	Shrub	6 ft	Sun–part shade	Medium	Zone 1a
sago pondweed Stuckenia pectinata	Wildflower (forb)	—	Sun	High	Zone 3b
sand dropseed Sporobolus cryptandrus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
shining willow Salix lucida	Tree	13 ft	Sun–part shade	High	Zone 3a
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
small enchanter's nightshade Circaea alpina	Wildflower (forb)	11 in	Shade-tolerant	Medium	Zone 3b
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
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
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
sugar maple Acer saccharum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
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
swamp rose Rosa palustris	Shrub	8.2 ft	Shade-tolerant	Medium	Zone 4a
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
thickspike wheatgrass Elymus lanceolatus	Grass or grass-like	2.3 ft	Sun	Low	Zone 3b
three-way sedge Dulichium arundinaceum	Grass or grass-like	2.6 ft	Sun–part shade	High	Zone 3b
threelobe beggarticks Bidens tripartita	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12a
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	High	Zone 3b
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
troublesome sedge Carex molesta	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
tufted loosestrife Lysimachia thyrsiflora	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
upright sedge Carex stricta	Grass or grass-like	4.2 ft	Shade-tolerant	Medium	Zone 3b
variableleaf pondweed Potamogeton gramineus	Wildflower (forb)	—	Sun	High	Zone 3b
vernal water-starwort Callitriche palustris	Wildflower (forb)	10 in	Sun	Medium	Zone 4a
Virginia water horehound Lycopus virginicus	Wildflower (forb)	4 ft	Shade-tolerant	High	Zone 4a
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
water horsetail Equisetum fluviatile	Fern	3 ft	Sun	High	Zone 4a
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
water sedge Carex aquatilis	Grass or grass-like	2.9 ft	Sun	High	Zone 3b
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
wild bergamot Monarda fistulosa	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
wild blue phlox Phlox divaricata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
wild sarsaparilla Aralia nudicaulis	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 3b
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a
yellow birch Betula alleghaniensis	Tree	75 ft	Sun–part shade	Medium	Zone 2b
yellow marsh marigold Caltha palustris	Wildflower (forb)	2 ft	Sun	High	Zone 3b
zigzag goldenrod Solidago flexicaulis	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 5b

Other native species recorded here 299

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

Adam and Eve Aplectrum hyemale
Allegheny monkeyflower Mimulus ringens
alpine bulrush Trichophorum alpinum
alpine violet Viola labradorica
American bladdernut Staphylea trifolia
American bugseed Corispermum americanum
American fly honeysuckle Lonicera canadensis
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
American milletgrass Milium effusum
American searocket Cakile edentula
American spikenard Aralia racemosa
American stoneseed Lithospermum latifolium
American white waterlily Nymphaea odorata
autumn coralroot Corallorhiza odontorhiza
bald spikerush Eleocharis erythropoda
bastard toadflax Comandra umbellata
beechdrops Epifagus virginiana
beggarslice Hackelia virginiana
bigfruit hawthorn Crataegus macrosperma
blackseed plantain Plantago rugelii
blackseed ricegrass Patis racemosa
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
bloody butcher Trillium recurvatum
blue skullcap Scutellaria lateriflora
bog rosemary Andromeda polifolia
bog yellowcress Rorippa palustris
bottlebrush sedge Carex hystericina
bottomland aster Symphyotrichum ontarionis
bright green spikerush Eleocharis olivacea
bristleleaf sedge Carex eburnea
bristly greenbrier Smilax tamnoides
brittle bladderfern Cystopteris fragilis
broad beechfern Phegopteris hexagonoptera
broad looseflower sedge Carex laxiflora
brome-like sedge Carex bromoides
browneyed Susan Rudbeckia triloba
bulblet bladderfern Cystopteris bulbifera
bulblet-bearing water hemlock Cicuta bulbifera
Canada lettuce Lactuca canadensis
Canada mayflower Maianthemum canadense
Canadian blacksnakeroot Sanicula canadensis
Canadian honewort Cryptotaenia canadensis
Canadian wildginger Asarum canadense
candle anemone Anemone cylindrica
catberry Ilex mucronata
Clayton's sweetroot Osmorhiza claytonii
climbing false buckwheat Polygonum scandens
clustered blacksnakeroot Sanicula odorata
clustered broomrape Orobanche fasciculata
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 yellow oxalis Oxalis stricta
cream pea Lathyrus ochroleucus
creeping sedge Carex chordorrhiza
cuckoo flower Cardamine pratensis
curlycup gumweed Grindelia squarrosa
curlytop knotweed Polygonum lapathifolium
cutleaf toothwort Cardamine concatenata
dogtooth violet Erythronium americanum
dotted hawthorn Crataegus punctata
downy hawthorn Crataegus mollis
dragon's mouth Arethusa bulbosa
dryspike sedge Carex siccata
Dudley's rush Juncus dudleyi
dutchman's breeches Dicentra cucullaria
dwarf ginseng Panax trifolius
dwarf red blackberry Rubus pubescens
dwarf scouringrush Equisetum scirpoides
early goldenrod Solidago juncea
early meadow-rue Thalictrum dioicum
eastern bottlebrush grass Elymus hystrix
eastern daisy fleabane Erigeron annuus
eastern false rue anemone Enemion biternatum
eastern leatherwood Dirca palustris
eastern marsh fern Thelypteris palustris
eastern prickly gooseberry Ribes cynosbati
eastern star sedge Carex radiata
eastern swamp saxifrage Saxifraga pensylvanica
eastern waterleaf Hydrophyllum virginianum
elmleaf goldenrod Solidago ulmifolia
Emory's sedge Carex emoryi
Equisetum ×ferrissii Equisetum ×ferrissii
erect knotweed Polygonum erectum
false Indian plantain Hasteola suaveolens
false melic Schizachne purpurascens
fan clubmoss Lycopodium digitatum
feathery false lily of the valley Maianthemum racemosum
fen grass of Parnassus Parnassia glauca
fewflower spikerush Eleocharis quinqueflora
fibrousroot sedge Carex communis
flat-top goldentop Euthamia graminifolia
flatleaf bladderwort Utricularia intermedia
fleshy hawthorn Crataegus succulenta
foxtail barley Hordeum jubatum
foxtail sedge Carex alopecoidea
fragrant bedstraw Galium triflorum
Fraser's marsh St. Johnswort Triadenum fraseri
fringed loosestrife Lysimachia ciliata
fringed willowherb Epilobium ciliatum
giant sunflower Helianthus giganteus
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
Goldie's woodfern Dryopteris goldieana
grape honeysuckle Lonicera reticulata
great blue lobelia Lobelia siphilitica
great ragweed Ambrosia trifida
greater fringed gentian Gentianopsis crinita
Greek valerian Polemonium reptans
green fringed orchid Platanthera lacera
greenflowered wintergreen Pyrola chlorantha
hairy beardtongue Penstemon hirsutus
hairy Solomon's seal Polygonatum pubescens
hairy woodrush Luzula acuminata
hairystem gooseberry Ribes hirtellum
handsome sedge Carex formosa
heartleaf plantain Plantago cordata
heartleaf twayblade Listera cordata
Holmes' hawthorn Crataegus holmesiana
hookedspur violet Viola adunca
Hooker's orchid Platanthera hookeri
horned bladderwort Utricularia cornuta
Howell's pussytoes Antennaria howellii
Huron green orchid Platanthera huronensis
Indian-tobacco Lobelia inflata
intermediate woodfern Dryopteris intermedia
Kalm's hawkweed Hieracium kalmii
knotsheath sedge Carex retrorsa
largeflower bellwort Uvularia grandiflora
largefruit blacksnakeroot Sanicula trifoliata
leathery knotweed Polygonum achoreum
lesser roundleaved orchid Platanthera orbiculata
lesser yellow lady's slipper Cypripedium parviflorum
licorice bedstraw Galium circaezans
limber honeysuckle Lonicera dioica
Lindley's aster Symphyotrichum ciliolatum
liverleaf wintergreen Pyrola asarifolia
long beechfern Phegopteris connectilis
longstalk sedge Carex pedunculata
longstyle sweetroot Osmorhiza longistylis
lowland bladderfern Cystopteris protrusa
Lucretia dewberry Rubus roribaccus
marsh arrowgrass Triglochin palustris
marsh blue violet Viola cucullata
marsh skullcap Scutellaria galericulata
Maryland sanicle Sanicula marilandica
mayapple Podophyllum peltatum
Michigan lily Lilium michiganense
Missouri gooseberry Ribes missouriense
moccasin flower Cypripedium acaule
naked miterwort Mitella nuda
narrowleaf bur-reed Sparganium angustifolium
narrowleaf wild leek Allium burdickii
New England aster Symphyotrichum novae-angliae
northern bog aster Symphyotrichum boreale
northern bog bedstraw Galium labradoricum
northern evening primrose Oenothera parviflora
northern green rush Juncus alpinoarticulatus
northern sweetgrass Hierochloe hirta
northern water plantain Alisma triviale
northern wildrice Zizania palustris
Oakes' evening primrose Oenothera oakesiana
obedient plant Physostegia virginiana
Ontario lobelia Lobelia kalmii
orangefruit horse-gentian Triosteum aurantiacum
parasol whitetop Doellingeria umbellata
partridgeberry Mitchella repens
pear hawthorn Crataegus calpodendron
Pennsylvania pellitory Parietaria pensylvanica
Pennsylvania sedge Carex pensylvanica
pointedleaf ticktrefoil Desmodium glutinosum
poison sumac Toxicodendron vernix
poke milkweed Asclepias exaltata
prairie sedge Carex prairea
pretty sedge Carex woodii
pubescent sedge Carex hirtifolia
purple chokeberry Aronia ×prunifolia
purple marshlocks Comarum palustre
purple meadow-rue Thalictrum dasycarpum
purple pitcherplant Sarracenia purpurea
purplestem angelica Angelica atropurpurea
ramp Allium tricoccum
red baneberry Actaea rubra
red columbine Aquilegia canadensis
richwoods sedge Carex oligocarpa
rock polypody Polypodium virginianum
rosy sedge Carex rosea
rough barnyardgrass Echinochloa muricata
roundleaf sundew Drosera rotundifolia
running clubmoss Lycopodium clavatum
sand violet Viola affinis
scaldweed Cuscuta gronovii
scarlet hawthorn Crataegus pedicellata
scentbottle Platanthera dilatata
Schuette's hawthorn Crataegus schuettei
Schweinitz's flatsedge Cyperus schweinitzii
seaside arrowgrass Triglochin maritima
seaside sandmat Chamaesyce polygonifolia
Seneca snakeroot Polygala senega
sensitive fern Onoclea sensibilis
shining bedstraw Galium concinnum
shining clubmoss Huperzia lucidula
Short's aster Symphyotrichum shortii
showy goldenrod Solidago speciosa
showy lady's slipper Cypripedium reginae
showy orchid Galearis spectabilis
showy ticktrefoil Desmodium canadense
sicklepod Arabis canadensis
sidebells wintergreen Orthilia secunda
silky dogwood Cornus obliqua
skullcap speedwell Veronica scutellata
slender wedgescale Sphenopholis intermedia
slender woodland sedge Carex digitalis
slender yellow woodsorrel Oxalis dillenii
slenderleaf false foxglove Agalinis tenuifolia
small green wood orchid Platanthera clavellata
smallflower fumewort Corydalis micrantha
Smith's bulrush Schoenoplectiella smithii
smooth cliffbrake Pellaea glabella
smooth rockcress Arabis laevigata
smooth rose Rosa blanda
smooth Solomon's seal Polygonatum biflorum
snakemouth orchid Pogonia ophioglossoides
snow trillium Trillium nivale
soft-hair marbleseed Onosmodium bejariense
spinulose woodfern Dryopteris carthusiana
spotted beebalm Monarda punctata
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading dogbane Apocynum androsaemifolium
spreading sedge Carex laxiculmis
Sprengel's sedge Carex sprengelii
squirrel corn Dicentra canadensis
starflower Trientalis borealis
starry false lily of the valley Maianthemum stellatum
stiff cowbane Oxypolis rigidior
strict blue-eyed grass Sisyrinchium montanum
summer coralroot Corallorhiza maculata
swamp lousewort Pedicularis lanceolata
swamp thistle Cirsium muticum
swamp verbena Verbena hastata
tall blue lettuce Lactuca biennis
tall thimbleweed Anemone virginiana
thinleaf cottonsedge Eriophorum viridicarinatum
thinleaf sedge Carex cephaloidea
threeleaf false lily of the valley Maianthemum trifolium
threeleaf goldthread Coptis trifolia
tree groundpine Lycopodium dendroideum
tuberous grasspink Calopogon tuberosus
turion duckweed Lemna turionifera
twinflower Linnaea borealis
twinleaf Jeffersonia diphylla
twoflower dwarfdandelion Krigia biflora
twoleaf miterwort Mitella diphylla
umbrella flatsedge Cyperus diandrus
upland brittle bladderfern Cystopteris tenuis
upright carrionflower Smilax ecirrhata
velvetleaf huckleberry Vaccinium myrtilloides
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
walking fern Asplenium rhizophyllum
water arum Calla palustris
western oakfern Gymnocarpium dryopteris
western poison ivy Toxicodendron rydbergii
whip-poor-will flower Trillium cernuum
white adder's-mouth orchid Malaxis brachypoda
white baneberry Actaea pachypoda
white beaksedge Rhynchospora alba
white bear sedge Carex albursina
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
whiteflower leafcup Polymnia canadensis
whorled milkweed Asclepias verticillata
wild cucumber Echinocystis lobata
witchgrass Panicum capillare
wood anemone Anemone quinquefolia
wood lily Lilium philadelphicum
woodbine Parthenocissus vitacea
woodfern Dryopteris ×triploidea
woodland pinedrops Pterospora andromedea
woodland strawberry Fragaria vesca
woolly sedge Carex pellita
woollyfruit sedge Carex lasiocarpa
yellow avens Geum aleppicum
yellow coralroot Corallorhiza trifida
yellow pimpernel Taenidia integerrima
yellow widelip orchid Liparis loeselii

Also listed as native and introduced here 3

PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.

annual ragweedAmbrosia artemisiifolia
common reedPhragmites australis
Kentucky bluegrassPoa pratensis

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, Ozaukee County and Wisconsin
Measure	Ozaukee County	Typical county	Statewide
Native species	524	653	1,568
Garden-ready natives	225	272	551
Tree	60	—	125
Shrub	38	—	102
Wildflower (forb)	264	—	853
Grass or grass-like	114	—	361
Vine	19	—	46
Fern	29	—	81

Neighboring counties

Counties that share a ZIP code with Ozaukee County.

Milwaukee County, WI 336 garden-ready
Sheboygan County, WI 313 garden-ready
Washington County, WI 253 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: Ozaukee County (county FIPS 55089), Wisconsin. 524 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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