Native plants · Ohio

Native plants of Warren County

381 plant species are recorded as native to Ohio in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Warren County by USDA PLANTS. 173 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

Warren County, Ohio

Native species: 381 Typical Ohio county: 559 (median of 88 counties)
Garden-ready natives: 173 Typical Ohio county: 241
Share by type (all 381 native species): Percent of the 381 native species in each growth type

Tree 17% (64)
Shrub 4% (16)
Wildflower (forb) 57% (218)
Grass or grass-like 15% (56)
Vine 4% (17)
Fern 3% (10)

Wildflowers make up the largest share of the native list (57%), 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 6b (2023 map).

The native plant list

Garden-ready natives 173

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

Garden-ready native plants of Warren County, Ohio
Plant	Type	Height	Light	Water use	Hardy to
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 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 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 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 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
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
bitternut hickory Carya cordiformis	Tree	75 ft	Sun	Medium	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 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
blue cohosh Caulophyllum thalictroides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
bluejoint Calamagrostis canadensis	Grass or grass-like	4.9 ft	Sun	Medium	Zone 4a
blunt broom sedge Carex tribuloides	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
blunt spikerush Eleocharis obtusa	Grass or grass-like	1.6 ft	Sun	Medium	Zone 11a
bluntleaf bedstraw Galium obtusum	Wildflower (forb)	1.5 ft	Shade-tolerant	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
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
broomsedge bluestem Andropogon virginicus	Grass or grass-like	3 ft	Sun	Medium	Zone 5b
buckbean Menyanthes trifoliata	Wildflower (forb)	10 in	Sun–part shade	High	Zone 4a
bulbous bittercress Cardamine bulbosa	Wildflower (forb)	1.4 ft	Shade-tolerant	Medium	Zone 4a
bur oak Quercus macrocarpa	Tree	100 ft	Sun–part shade	Medium	Zone 3b
burningbush Euonymus atropurpureus	Tree	10 ft	Shade-tolerant	Low	—
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 canadensis	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 3a
Canadian lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
Carolina rose Rosa carolina	Shrub	5 ft	Sun–part shade	Low	Zone 3a
cat greenbrier Smilax glauca	Vine	1 ft	Shade-tolerant	Medium	Zone 6a
cattail sedge Carex typhina	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
climbing rose Rosa setigera	Vine	16 ft	Sun	Low	Zone 6a
coastal plain willow Salix caroliniana	Tree	33 ft	Sun–part shade	High	Zone 7b
common blue violet Viola sororia	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common goldstar Hypoxis hirsuta	Wildflower (forb)	10 in	Sun–part shade	Medium	Zone 4a
common hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
common hoptree Ptelea trifoliata	Tree	25 ft	Sun–part shade	High	Zone 4a
common ninebark Physocarpus opulifolius	Shrub	10 ft	Sun	Low	Zone 4a
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 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
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
crimsoneyed rosemallow Hibiscus moscheutos	Wildflower (forb)	6.6 ft	Sun	High	Zone 6a
devil's darning needles Clematis virginiana	Vine	15 ft	Sun–part shade	Medium	Zone 3b
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
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
fall panicgrass Panicum dichotomiflorum	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
field paspalum Paspalum laeve	Grass or grass-like	2.9 ft	Sun–part shade	Medium	Zone 6a
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
foxglove beardtongue Penstemon digitalis	Wildflower (forb)	4 ft	Shade-tolerant	Low	Zone 3b
fringed sedge Carex crinita	Grass or grass-like	5.2 ft	Sun–part shade	Medium	Zone 4a
fringeleaf wild petunia Ruellia humilis	Wildflower (forb)	2.6 ft	Shade-tolerant	Low	Zone 4a
giant cane Arundinaria gigantea	Shrub	25 ft	Sun	Medium	Zone 5a
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
greater bladder sedge Carex intumescens	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green bulrush Scirpus atrovirens	Grass or grass-like	5.9 ft	Sun	Medium	Zone 2a
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
hazel alder Alnus serrulata	Tree	30 ft	Sun	High	Zone 5a
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
Jerusalem artichoke Helianthus tuberosus	Wildflower (forb)	9.8 ft	Sun–part shade	Low	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
little bluestem Schizachyrium scoparium	Grass or grass-like	3 ft	Sun	Low	Zone 3b
littleleaf buttercup Ranunculus abortivus	Wildflower (forb)	2.8 ft	Shade-tolerant	Medium	Zone 3a
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	Zone 4a
Maryland senna Senna marilandica	Wildflower (forb)	6.6 ft	Sun–part shade	Low	Zone 5b
Missouri River willow Salix eriocephala	Tree	52 ft	Shade-tolerant	High	Zone 3b
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
nimblewill Muhlenbergia schreberi	Grass or grass-like	3.2 ft	Shade-tolerant	Low	Zone 4a
nodding fescue Festuca subverticillata	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3a
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
Ohio buckeye Aesculus glabra	Tree	68 ft	Shade-tolerant	Medium	Zone 4a
pale touch-me-not Impatiens pallida	Wildflower (forb)	8.2 ft	Shade-tolerant	Medium	Zone 10b
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
pawpaw Asimina triloba	Tree	25 ft	Shade-tolerant	Medium	Zone 4b
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
pignut hickory Carya glabra	Tree	80 ft	Sun–part shade	Medium	Zone 4a
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
pride of Ohio Dodecatheon meadia	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 3b
pumpkin ash Fraxinus profunda	Tree	120 ft	Sun–part shade	High	Zone 5a
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
purpletop tridens Tridens flavus	Grass or grass-like	2.5 ft	Sun	Low	Zone 5a
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
rice cutgrass Leersia oryzoides	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
riverbank wildrye Elymus riparius	Grass or grass-like	4.5 ft	Shade-tolerant	High	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
roundleaf goldenrod Solidago patula	Wildflower (forb)	6.6 ft	Sun–part shade	High	Zone 3a
roundleaf greenbrier Smilax rotundifolia	Vine	1 ft	Sun	Medium	Zone 4a
rufous bulrush Scirpus pendulus	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
sandbar willow Salix interior	Tree	30 ft	Sun	—	Zone 1a
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
scarlet oak Quercus coccinea	Tree	70 ft	Sun	Medium	Zone 4b
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
sharpwing monkeyflower Mimulus alatus	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 5a
shellbark hickory Carya laciniosa	Tree	100 ft	Shade-tolerant	High	Zone 5a
shingle oak Quercus imbricaria	Tree	45 ft	Sun	Medium	Zone 5b
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
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slippery elm Ulmus rubra	Tree	85 ft	Shade-tolerant	High	Zone 3a
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
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
squarrose sedge Carex squarrosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
staghorn sumac Rhus typhina	Tree	30 ft	Sun–part shade	Low	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
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
sweetflag Acorus americanus	Wildflower (forb)	3.9 ft	Sun	High	Zone 3b
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
trumpet creeper Campsis radicans	Vine	2 ft	Sun	Low	Zone 6a
tufted loosestrife Lysimachia thyrsiflora	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
tuliptree Liriodendron tulipifera	Tree	120 ft	Sun	Medium	Zone 5b
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
Virginia bluebells Mertensia virginica	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 4b
Virginia creeper Parthenocissus quinquefolia	Vine	1 ft	Sun–part shade	Low	Zone 4b
Virginia spiderwort Tradescantia virginiana	Wildflower (forb)	1.1 ft	Sun–part shade	Medium	Zone 3b
Virginia threeseed mercury Acalypha virginica	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 10b
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
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 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
wirestem muhly Muhlenbergia frondosa	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 3b
wreath goldenrod Solidago caesia	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4b
yellow fumewort Corydalis flavula	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 5b
yellow passionflower Passiflora lutea	Vine	16 ft	Shade-tolerant	Low	Zone 5a
zigzag goldenrod Solidago flexicaulis	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 5b

Other native species recorded here 208

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
American alumroot Heuchera americana
American beakgrain Diarrhena americana
American columbo Frasera caroliniensis
American false pennyroyal Hedeoma pulegioides
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
American spikenard Aralia racemosa
American stoneseed Lithospermum latifolium
bearded shorthusk Brachyelytrum erectum
beechdrops Epifagus virginiana
beggarslice Hackelia virginiana
biennial beeblossom Oenothera gaura
blackseed plantain Plantago rugelii
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
blue ash Fraxinus quadrangulata
blue waxweed Cuphea viscosissima
bluntleaf waterleaf Hydrophyllum canadense
Bosc's panicgrass Dichanthelium boscii
bristly greenbrier Smilax tamnoides
broad beechfern Phegopteris hexagonoptera
broadleaf sedge Carex platyphylla
brown widelip orchid Liparis liliifolia
browneyed Susan Rudbeckia triloba
Canada lettuce Lactuca canadensis
Canadian clearweed Pilea pumila
Canadian wildginger Asarum canadense
Carolina leaf-flower Phyllanthus caroliniensis
carpenter's square Scrophularia marilandica
Christmas fern Polystichum acrostichoides
clammy groundcherry Physalis heterophylla
clasping Venus' looking-glass Triodanis perfoliata
clustered blacksnakeroot Sanicula odorata
common bladderwort Utricularia macrorhiza
common cinquefoil Potentilla simplex
common milkweed Asclepias syriaca
common moonseed Menispermum canadense
common pricklyash Zanthoxylum americanum
common yellow oxalis Oxalis stricta
Copenhagen hawthorn Crataegus intricata
crippled cranefly Tipularia discolor
cutleaf toothwort Cardamine concatenata
cypress panicgrass Dichanthelium dichotomum
dogtooth violet Erythronium americanum
dotted hawthorn Crataegus punctata
downy hawthorn Crataegus mollis
downy pagoda-plant Blephilia ciliata
dutchman's breeches Dicentra cucullaria
dwarf larkspur Delphinium tricorne
eastern bottlebrush grass Elymus hystrix
eastern greenviolet Hybanthus concolor
eastern leatherwood Dirca palustris
eastern poison ivy Toxicodendron radicans
eastern prickly gooseberry Ribes cynosbati
ebony spleenwort Asplenium platyneuron
elmleaf goldenrod Solidago ulmifolia
erect knotweed Polygonum erectum
eyebane Chamaesyce nutans
fall phlox Phlox paniculata
false hop sedge Carex lupuliformis
feathery false lily of the valley Maianthemum racemosum
fibrousroot sedge Carex communis
field pansy Viola bicolor
fire pink Silene virginica
floating marshpennywort Hydrocotyle ranunculoides
fluxweed Trichostema brachiatum
fourflower yellow loosestrife Lysimachia quadriflora
fourleaf milkweed Asclepias quadrifolia
fragrant sumac Rhus aromatica
fringed loosestrife Lysimachia ciliata
fuzzy wuzzy sedge Carex hirsutella
Gattinger's panicgrass Panicum gattingeri
glade fern Diplazium pycnocarpon
goldenseal Hydrastis canadensis
great blue lobelia Lobelia siphilitica
great Indian plantain Arnoglossum reniforme
great waterleaf Hydrophyllum appendiculatum
great yellow woodsorrel Oxalis grandis
Greek valerian Polemonium reptans
green carpetweed Mollugo verticillata
green dragon Arisaema dracontium
hairy beardtongue Penstemon hirsutus
hairy Solomon's seal Polygonatum pubescens
hairy woodland brome Bromus pubescens
halberdleaf tearthumb Polygonum arifolium
harbinger of spring Erigenia bulbosa
heartleaf four o'clock Mirabilis nyctaginea
heartleaf hedgenettle Stachys cordata
heartleaf skullcap Scutellaria ovata
hedgehog woodrush Luzula echinata
hoary puccoon Lithospermum canescens
hoary skullcap Scutellaria incana
hoary verbena Verbena stricta
honeyvine Cynanchum laeve
Illinois pinweed Lechea racemulosa
Indian-tobacco Lobelia inflata
jumpseed Polygonum virginianum
largebracted plantain Plantago aristata
largeflower bellwort Uvularia grandiflora
largefruit blacksnakeroot Sanicula trifoliata
largeleaf waterleaf Hydrophyllum macrophyllum
largeseed forget-me-not Myosotis macrosperma
licorice bedstraw Galium circaezans
longsepal beardtongue Penstemon calycosus
longstyle sweetroot Osmorhiza longistylis
lowland bladderfern Cystopteris protrusa
marsh mermaidweed Proserpinaca palustris
marsh skullcap Scutellaria galericulata
mayapple Podophyllum peltatum
meadow garlic Allium canadense
Miami mist Phacelia purshii
Michigan lily Lilium michiganense
mullein foxglove Dasistoma macrophylla
narrowleaf paleseed Leucospora multifida
navel cornsalad Valerianella umbilicata
neckweed Veronica peregrina
New England aster Symphyotrichum novae-angliae
nits and lice Hypericum drummondii
nodding chickweed Cerastium nutans
nodding wakerobin Trillium flexipes
northern dewberry Rubus flagellaris
Norwegian cinquefoil Potentilla norvegica
obedient plant Physostegia virginiana
orangefruit horse-gentian Triosteum aurantiacum
pale dock Rumex altissimus
Pennsylvania pellitory Parietaria pensylvanica
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prairie threeawn Aristida oligantha
prostrate ticktrefoil Desmodium rotundifolium
pubescent sedge Carex hirtifolia
puffsheath dropseed Sporobolus neglectus
purple meadowparsnip Thaspium trifoliatum
purple milkweed Asclepias purpurascens
purple milkwort Polygala sanguinea
purplerocket Iodanthus pinnatifidus
queen of the prairie Filipendula rubra
ramp Allium tricoccum
red columbine Aquilegia canadensis
robin's plantain Erigeron pulchellus
rough barnyardgrass Echinochloa muricata
roundleaf ragwort Packera obovata
rue anemone Thalictrum thalictroides
sandbar lovegrass Eragrostis frankii
Seneca snakeroot Polygala senega
sensitive fern Onoclea sensibilis
showy goldenrod Solidago speciosa
showy orchid Galearis spectabilis
slimflower muhly Muhlenbergia tenuiflora
small woodland sunflower Helianthus microcephalus
smooth rockcress Arabis laevigata
smooth Solomon's seal Polygonatum biflorum
smooth white oldfield aster Symphyotrichum racemosum
smooth yellow false foxglove Aureolaria flava
Spanish needles Bidens bipinnata
spinulose woodfern Dryopteris carthusiana
spotted geranium Geranium maculatum
spreading chervil Chaerophyllum procumbens
spring blue eyed Mary Collinsia verna
star chickweed Stellaria pubera
starry false lily of the valley Maianthemum stellatum
stiff yellow flax Linum medium
striped cream violet Viola striata
striped prince's pine Chimaphila maculata
swamp verbena Verbena hastata
sweetscented joe pye weed Eutrochium purpureum
tall rattlesnakeroot Prenanthes altissima
tall thistle Cirsium altissimum
terrestrial water-starwort Callitriche terrestris
thin paspalum Paspalum setaceum
tinted woodland spurge Euphorbia commutata
toadshade Trillium sessile
toothed spurge Euphorbia dentata
tufted lovegrass Eragrostis pectinacea
twinleaf Jeffersonia diphylla
twoflower dwarfdandelion Krigia biflora
twoleaf miterwort Mitella diphylla
upright carrionflower Smilax ecirrhata
Venus' pride Houstonia purpurea
violet woodsorrel Oxalis violacea
Virginia pepperweed Lepidium virginicum
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
wavyleaf aster Symphyotrichum undulatum
waxyfruit hawthorn Crataegus pruinosa
white baneberry Actaea pachypoda
white bear sedge Carex albursina
white fawnlily Erythronium albidum
white rattlesnakeroot Prenanthes alba
white snakeroot Ageratina altissima
white trillium Trillium grandiflorum
white vervain Verbena urticifolia
white wood aster Eurybia divaricata
whiteflower leafcup Polymnia canadensis
whitetinge sedge Carex albicans
whorled rosinweed Silphium trifoliatum
wild comfrey Cynoglossum virginianum
wild hydrangea Hydrangea arborescens
wild yam Dioscorea villosa
witchgrass Panicum capillare
woodland flax Linum virginianum
woodland lettuce Lactuca floridana
woodland stonecrop Sedum ternatum
yellow pimpernel Taenidia integerrima
yellowfruit horse-gentian Triosteum angustifolium
zigzag spiderwort Tradescantia subaspera

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, Warren County and Ohio
Measure	Warren County	Typical county	Statewide
Native species	381	559	1,740
Garden-ready natives	173	241	594
Tree	64	—	160
Shrub	16	—	94
Wildflower (forb)	218	—	939
Grass or grass-like	56	—	400
Vine	17	—	62
Fern	10	—	85

Neighboring counties

Counties that share a ZIP code with Warren County.

Butler County, OH 201 garden-ready
Clermont County, OH 216 garden-ready
Clinton County, OH 257 garden-ready
Greene County, OH 197 garden-ready
Hamilton County, OH 268 garden-ready
Montgomery County, OH 184 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: Warren County (county FIPS 39165), Ohio. 381 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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