Native plants · Ohio

Native plants of Williams County

411 plant species are recorded as native to Ohio in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Williams County by USDA PLANTS. 216 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

Williams County, Ohio

Native species
411 Typical Ohio county: 559 (median of 88 counties)
Garden-ready natives
216 Typical Ohio county: 241
Share by type (all 411 native species)
Percent of the 411 native species in each growth type
Tree 17% (71)
Shrub 6% (25)
Wildflower (forb) 56% (230)
Grass or grass-like 12% (49)
Vine 5% (22)
Fern 3% (14)

Wildflowers make up the largest share of the native list (56%), followed by trees (17%).

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 6a (2023 map).

The native plant list

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

Garden-ready natives 216

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

Garden-ready native plants of Williams County, Ohio
PlantType HeightLight Water useHardy 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 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 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 water horehound Lycopus americanus Wildflower (forb) 1.8 ft Shade-tolerant High Zone 3b
American witchhazel Hamamelis virginiana Tree 20 ft Sun–part shade Medium Zone 4b
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
beaked agrimony Agrimonia rostellata Wildflower (forb) 2.3 ft Sun–part shade Medium Zone 4a
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
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
black willow Salix nigra Tree 100 ft Sun High Zone 1b
blackgum Nyssa sylvatica Tree 95 ft Shade-tolerant Medium Zone 5b
blackhaw Viburnum prunifolium Tree 16 ft Shade-tolerant Medium Zone 4a
blue cohosh Caulophyllum thalictroides Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4a
bluejoint Calamagrostis canadensis Grass or grass-like 4.9 ft Sun Medium Zone 4a
blunt broom sedge Carex tribuloides Grass or grass-like 3 ft Shade-tolerant Medium Zone 4b
bluntleaf bedstraw Galium obtusum Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4a
bog willowherb Epilobium leptophyllum Wildflower (forb) 3.6 ft Sun–part shade High Zone 4a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
bristly buttercup Ranunculus hispidus Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4a
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
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
burningbush Euonymus atropurpureus Tree 10 ft Shade-tolerant Low —
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low Zone 4a
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High 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 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
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
cinnamon fern Osmunda cinnamomea Fern 4.9 ft Shade-tolerant Medium Zone 4a
climbing rose Rosa setigera Vine 16 ft Sun Low Zone 6a
closed bottle gentian Gentiana andrewsii Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
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 cowparsnip Heracleum maximum Wildflower (forb) 8 ft Sun High Zone 3b
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 rush Juncus effusus Grass or grass-like 6.6 ft Sun Medium Zone 3b
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
common serviceberry Amelanchier arborea Tree 36 ft Shade-tolerant Medium Zone 2b
common sneezeweed Helenium autumnale Wildflower (forb) 4.9 ft Sun Medium Zone 3a
common winterberry Ilex verticillata Tree 10 ft Sun–part shade High Zone 4b
coralberry Symphoricarpos orbiculatus Shrub 2 ft Sun–part shade High Zone 5a
crested sedge Carex cristatella Grass or grass-like 3 ft Shade-tolerant High Zone 4a
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
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 cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
eastern redbud Cercis canadensis Tree 30 ft Shade-tolerant Low Zone 4b
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
flatstem pondweed Potamogeton zosteriformis Wildflower (forb) — Sun High Zone 3b
flowering dogwood Cornus florida Tree 30 ft Shade-tolerant Low Zone 4b
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
fringed sedge Carex crinita Grass or grass-like 5.2 ft Sun–part shade Medium Zone 4a
frost grape Vitis vulpina Vine 83 ft Sun–part shade Medium Zone 5a
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
gray dogwood Cornus racemosa Shrub 10 ft Shade-tolerant Medium Zone 2b
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
hairy white oldfield aster Symphyotrichum pilosum Wildflower (forb) 3 ft Shade-tolerant Medium Zone 4a
harvestlice Agrimonia parviflora Wildflower (forb) 6 ft Sun–part shade High Zone 4a
highbush blueberry Vaccinium corymbosum Shrub 12 ft Shade-tolerant Medium Zone 4a
honeylocust Gleditsia triacanthos Tree 70 ft Sun Medium Zone 3b
hop sedge Carex lupulina Grass or grass-like 4.3 ft Sun–part shade Medium Zone 3b
hophornbeam Ostrya virginiana Tree 45 ft Shade-tolerant Low Zone 3b
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
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
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
lanceleaf loosestrife Lysimachia lanceolata Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 5a
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
limestone bittercress Cardamine douglassii Wildflower (forb) 1 ft Shade-tolerant High Zone 4a
limestone wild petunia Ruellia strepens Wildflower (forb) 3.6 ft Shade-tolerant Low Zone 6a
littleleaf buttercup Ranunculus abortivus Wildflower (forb) 2.8 ft Shade-tolerant Medium Zone 3a
longhair sedge Carex comosa Grass or grass-like 5 ft Sun–part shade High Zone 4b
mapleleaf viburnum Viburnum acerifolium Shrub 6 ft Shade-tolerant Medium Zone 4b
marsh bellflower Campanula aparinoides Wildflower (forb) 2 ft Sun High Zone 3b
marsh 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
Muskingum sedge Carex muskingumensis Grass or grass-like 3 ft Shade-tolerant High Zone 4a
New York fern Thelypteris noveboracensis Fern 1.5 ft Shade-tolerant Low Zone 4b
nodding beggartick Bidens cernua Wildflower (forb) 3.2 ft Sun–part shade High Zone 12a
nodding fescue Festuca subverticillata Grass or grass-like 3 ft Sun–part shade Medium Zone 3a
nodding lady's tresses Spiranthes cernua Wildflower (forb) 1.5 ft Sun High Zone 3b
nodding waternymph Najas flexilis Wildflower (forb) 2.5 ft Sun–part shade High Zone 12a
northern catalpa Catalpa speciosa Tree 60 ft Sun Low Zone 3b
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 spicebush Lindera benzoin Tree 12 ft Sun–part shade Medium Zone 5a
Northwest Territory sedge Carex utriculata Grass or grass-like 3.5 ft Sun High Zone 3a
Ohio buckeye Aesculus glabra Tree 68 ft Shade-tolerant Medium Zone 4a
oval-leaf sedge Carex cephalophora Grass or grass-like 2.6 ft Sun–part shade Low Zone 4a
pawpaw Asimina triloba Tree 25 ft Shade-tolerant Medium Zone 4b
peachleaf willow Salix amygdaloides Tree 60 ft Sun High 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 oak Quercus palustris Tree 100 ft Sun High Zone 4a
pinnate prairie coneflower Ratibida pinnata Wildflower (forb) 4 ft Sun Medium Zone 3b
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
pumpkin ash Fraxinus profunda Tree 120 ft Sun–part shade High Zone 5a
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
pussy willow Salix discolor Tree 40 ft Shade-tolerant High Zone 4a
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
rattlesnake fern Botrychium virginianum Fern 1.4 ft Shade-tolerant Medium Zone 3b
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
red maple Acer rubrum Tree 68 ft Sun–part shade High Zone 2b
red mulberry Morus rubra Tree 70 ft Shade-tolerant Medium Zone 4a
redosier dogwood Cornus sericea Tree 12 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 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
roughfruit amaranth Amaranthus tuberculatus Wildflower (forb) 6.6 ft Sun High Zone 4a
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
rufous bulrush Scirpus pendulus Grass or grass-like 4 ft Sun Medium Zone 3b
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
sassafras Sassafras albidum Tree 75 ft Sun Low Zone 4b
sawtooth sunflower Helianthus grosseserratus Wildflower (forb) 5 ft Sun Medium Zone 3a
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
Short's sedge Carex shortiana Grass or grass-like 3 ft Sun–part shade High Zone 5b
shrubby cinquefoil Dasiphora fruticosa Shrub 2.5 ft Sun–part shade Low Zone 4b
shrubby St. Johnswort Hypericum prolificum Shrub 3.2 ft Sun–part shade High Zone 4b
silky dogwood Cornus amomum Shrub 10 ft Sun–part shade High Zone 3b
silky willow Salix sericea Tree 12 ft Sun–part shade High Zone 4b
silver maple Acer saccharinum Tree 90 ft Sun–part shade Medium Zone 2b
skunk cabbage Symplocarpus foetidus Wildflower (forb) 2 ft Shade-tolerant High Zone 4a
slender flatsedge Cyperus bipartitus Grass or grass-like 5 ft Sun Medium Zone 10b
slender wheatgrass Elymus trachycaulus Grass or grass-like 3 ft Sun Medium Zone 3b
slippery elm Ulmus rubra Tree 85 ft Shade-tolerant High Zone 3a
small white violet Viola macloskeyi Wildflower (forb) 6 in Shade-tolerant High Zone 4b
smallspike false nettle Boehmeria cylindrica Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
spotted joe pye weed Eutrochium maculatum Wildflower (forb) 6 ft Sun–part shade High Zone 4b
spotted St. Johnswort Hypericum punctatum Wildflower (forb) 3 ft Shade-tolerant Medium Zone 4a
spring avens Geum vernum Wildflower (forb) 1.6 ft Shade-tolerant Medium Zone 5b
staghorn sumac Rhus typhina Tree 30 ft Sun–part shade 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
summer grape Vitis aestivalis Vine 30 ft Shade-tolerant Medium Zone 5a
swamp cottonwood Populus heterophylla Tree 100 ft Sun High 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
swamp rose Rosa palustris Shrub 8.2 ft Shade-tolerant Medium Zone 4a
swamp white oak Quercus bicolor Tree 100 ft Sun–part shade High Zone 4b
sweet woodreed Cinna arundinacea Grass or grass-like 4.9 ft Shade-tolerant Low Zone 4a
sweetflag Acorus americanus Wildflower (forb) 3.9 ft Sun 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
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
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
tuliptree Liriodendron tulipifera Tree 120 ft Sun Medium Zone 5b
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 threeseed mercury Acalypha virginica Wildflower (forb) 3 ft Sun–part shade Medium Zone 10b
Virginia water horehound Lycopus virginicus Wildflower (forb) 4 ft Shade-tolerant High Zone 4a
Virginia wildrye Elymus virginicus Grass or grass-like 2.5 ft Shade-tolerant Medium Zone 4b
water knotweed Polygonum amphibium Wildflower (forb) 1 in Sun High Zone 5a
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
whitegrass Leersia virginica Grass or grass-like 3.9 ft Shade-tolerant Medium Zone 3a
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
wild blue phlox Phlox divaricata Wildflower (forb) 3 ft Sun–part shade Medium Zone 4a
wild sarsaparilla Aralia nudicaulis Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 3b
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
wreath goldenrod Solidago caesia Wildflower (forb) 3 ft Sun–part shade Medium Zone 4b
wrinkleleaf goldenrod Solidago rugosa Wildflower (forb) 3.3 ft Sun–part shade Medium Zone 4a
zigzag goldenrod Solidago flexicaulis Wildflower (forb) 3 ft Sun–part shade Medium Zone 5b

Other native species recorded here 195

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.

  • alpine violet Viola labradorica
  • American alumroot Heuchera americana
  • American burnweed Erechtites hieraciifolius
  • American cancer-root Conopholis americana
  • American hogpeanut Amphicarpaea bracteata
  • American lopseed Phryma leptostachya
  • American white waterlily Nymphaea odorata
  • bay forget-me-not Myosotis laxa
  • beechdrops Epifagus virginiana
  • beggarslice Hackelia virginiana
  • big devils beggartick Bidens vulgata
  • blackseed plantain Plantago rugelii
  • blisterwort Ranunculus recurvatus
  • bloodroot Sanguinaria canadensis
  • blue ash Fraxinus quadrangulata
  • blue sedge Carex glaucodea
  • blue skullcap Scutellaria lateriflora
  • bog willow Salix pedicellaris
  • bog yellowcress Rorippa palustris
  • bristly greenbrier Smilax tamnoides
  • bulblet-bearing water hemlock Cicuta bulbifera
  • Canada lettuce Lactuca canadensis
  • Canada mayflower Maianthemum canadense
  • Canadian anemone Anemone canadensis
  • Canadian blacksnakeroot Sanicula canadensis
  • Canadian honewort Cryptotaenia canadensis
  • Canadian white violet Viola canadensis
  • Canadian wildginger Asarum canadense
  • Canadian woodnettle Laportea canadensis
  • Carolina horsenettle Solanum carolinense
  • Carolina vetch Vicia caroliniana
  • carpenter's square Scrophularia marilandica
  • catberry Ilex mucronata
  • Christmas fern Polystichum acrostichoides
  • clammy groundcherry Physalis heterophylla
  • clammy hedgehyssop Gratiola neglecta
  • clustered blacksnakeroot Sanicula odorata
  • 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 woodrush Luzula multiflora
  • common yellow oxalis Oxalis stricta
  • cranberry Vaccinium macrocarpon
  • cream pea Lathyrus ochroleucus
  • Culver's root Veronicastrum virginicum
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf grapefern Botrychium dissectum
  • cutleaf toothwort Cardamine concatenata
  • dotted hawthorn Crataegus punctata
  • downy hawthorn Crataegus mollis
  • downy willowherb Epilobium strictum
  • dutchman's breeches Dicentra cucullaria
  • dwarf ginseng Panax trifolius
  • eastern bottlebrush grass Elymus hystrix
  • eastern false rue anemone Enemion biternatum
  • eastern marsh fern Thelypteris palustris
  • eastern poison ivy Toxicodendron radicans
  • eastern prickly gooseberry Ribes cynosbati
  • eastern waterleaf Hydrophyllum virginianum
  • elmleaf goldenrod Solidago ulmifolia
  • Equisetum ×ferrissii Equisetum ×ferrissii
  • eyebane Chamaesyce nutans
  • false mermaidweed Floerkea proserpinacoides
  • feathery false lily of the valley Maianthemum racemosum
  • fen grass of Parnassus Parnassia glauca
  • field thistle Cirsium discolor
  • fireberry hawthorn Crataegus chrysocarpa
  • flatleaf bladderwort Utricularia intermedia
  • floating mannagrass Glyceria septentrionalis
  • flowering spurge Euphorbia corollata
  • fragrant bedstraw Galium triflorum
  • Fraser's marsh St. Johnswort Triadenum fraseri
  • fringed loosestrife Lysimachia ciliata
  • giant ironweed Vernonia gigantea
  • golden zizia Zizia aurea
  • great blue lobelia Lobelia siphilitica
  • Great Plains flatsedge Cyperus lupulinus
  • great ragweed Ambrosia trifida
  • great waterleaf Hydrophyllum appendiculatum
  • Greek valerian Polemonium reptans
  • hairy beardtongue Penstemon hirsutus
  • hairy bedstraw Galium pilosum
  • hairy Solomon's seal Polygonatum pubescens
  • harbinger of spring Erigenia bulbosa
  • harlequin blueflag Iris versicolor
  • hemlock waterparsnip Sium suave
  • hoary skullcap Scutellaria incana
  • jumpseed Polygonum virginianum
  • lanceleaf fogfruit Phyla lanceolata
  • largeflower bellwort Uvularia grandiflora
  • largefruit blacksnakeroot Sanicula trifoliata
  • licorice bedstraw Galium circaezans
  • limber honeysuckle Lonicera dioica
  • longbranch frostweed Helianthemum canadense
  • longleaf groundcherry Physalis longifolia
  • longspur violet Viola rostrata
  • longstyle sweetroot Osmorhiza longistylis
  • lowland bladderfern Cystopteris protrusa
  • manyfruit primrose-willow Ludwigia polycarpa
  • marsh pea Lathyrus palustris
  • marsh skullcap Scutellaria galericulata
  • Maryland sanicle Sanicula marilandica
  • mat sandbur Cenchrus longispinus
  • mayapple Podophyllum peltatum
  • Michigan lily Lilium michiganense
  • neckweed Veronica peregrina
  • northern bog aster Symphyotrichum boreale
  • Norwegian cinquefoil Potentilla norvegica
  • obedient plant Physostegia virginiana
  • Ontario lobelia Lobelia kalmii
  • pale dock Rumex altissimus
  • pale Indian plantain Arnoglossum atriplicifolium
  • parasol whitetop Doellingeria umbellata
  • Parlin's pussytoes Antennaria parlinii
  • partridgeberry Mitchella repens
  • poison sumac Toxicodendron vernix
  • poke milkweed Asclepias exaltata
  • poverty oatgrass Danthonia spicata
  • prairie goldenrod Oligoneuron album
  • prairie groundsel Packera plattensis
  • purple chokeberry Aronia ×prunifolia
  • purple false foxglove Agalinis purpurea
  • purple meadowparsnip Thaspium trifoliatum
  • purple pitcherplant Sarracenia purpurea
  • purple rattlesnakeroot Prenanthes racemosa
  • rabbit-tobacco Pseudognaphalium obtusifolium
  • red columbine Aquilegia canadensis
  • richweed Collinsonia canadensis
  • rough barnyardgrass Echinochloa muricata
  • roundleaf ragwort Packera obovata
  • roundleaf sundew Drosera rotundifolia
  • rue anemone Thalictrum thalictroides
  • scaldweed Cuscuta gronovii
  • sensitive fern Onoclea sensibilis
  • shining clubmoss Huperzia lucidula
  • shortspike watermilfoil Myriophyllum sibiricum
  • slender wedgescale Sphenopholis intermedia
  • smallflower false foxglove Agalinis paupercula
  • smooth oxeye Heliopsis helianthoides
  • smooth rockcress Arabis laevigata
  • smooth rose Rosa blanda
  • smooth Solomon's seal Polygonatum biflorum
  • soft agrimony Agrimonia pubescens
  • spinulose woodfern Dryopteris carthusiana
  • spotted geranium Geranium maculatum
  • spotted water hemlock Cicuta maculata
  • spreading chervil Chaerophyllum procumbens
  • spreading dogbane Apocynum androsaemifolium
  • starry false lily of the valley Maianthemum stellatum
  • striped cream violet Viola striata
  • swamp dock Rumex verticillatus
  • swamp lousewort Pedicularis lanceolata
  • swamp thistle Cirsium muticum
  • swamp verbena Verbena hastata
  • sweetscented joe pye weed Eutrochium purpureum
  • tall blue lettuce Lactuca biennis
  • tall rattlesnakeroot Prenanthes altissima
  • tall thimbleweed Anemone virginiana
  • tall thoroughwort Eupatorium altissimum
  • toothed spurge Euphorbia dentata
  • Tuckerman's sedge Carex tuckermanii
  • twoflower dwarfdandelion Krigia biflora
  • twoleaf miterwort Mitella diphylla
  • vasevine Clematis viorna
  • Virginia chainfern Woodwardia virginica
  • Virginia dwarfdandelion Krigia virginica
  • Virginia fanpetals Sida hermaphrodita
  • Virginia mountainmint Pycnanthemum virginianum
  • Virginia pepperweed Lepidium virginicum
  • Virginia springbeauty Claytonia virginica
  • Virginia strawberry Fragaria virginiana
  • whip nutrush Scleria triglomerata
  • white arrowleaf aster Symphyotrichum urophyllum
  • white bear sedge Carex albursina
  • white snakeroot Ageratina altissima
  • white trillium Trillium grandiflorum
  • white turtlehead Chelone glabra
  • white vervain Verbena urticifolia
  • whorled milkweed Asclepias verticillata
  • wideflower phlox Phlox latifolia
  • wild cucumber Echinocystis lobata
  • wild yam Dioscorea villosa
  • winged lythrum Lythrum alatum
  • witchgrass Panicum capillare
  • wood anemone Anemone quinquefolia
  • woodland flax Linum virginianum
  • woodland stonecrop Sedum ternatum
  • woodland sunflower Helianthus divaricatus
  • yellow avens Geum aleppicum
  • yellow pimpernel Taenidia integerrima
  • yellow water buttercup Ranunculus flabellaris
  • 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.

  • climbing false buckwheatPolygonum scandens
  • hedge false bindweedCalystegia sepium

Compared with Ohio

The typical county is the median of the 88 Ohio 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, Williams County and Ohio
MeasureWilliams CountyTypical countyStatewide
Native species 411 559 1,740
Garden-ready natives 216 241 594
Tree 71 — 160
Shrub 25 — 94
Wildflower (forb) 230 — 939
Grass or grass-like 49 — 400
Vine 22 — 62
Fern 14 — 85

Neighboring counties

Counties that share a ZIP code with Williams 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
Williams County (county FIPS 39171), Ohio. 411 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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