Native plants · Ohio

Native plants of Allen County

248 plant species are recorded as native to Ohio in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Allen County by USDA PLANTS. 136 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Allen County, Ohio

Native species
248 Typical Ohio county: 559 (median of 88 counties)
Garden-ready natives
136 Typical Ohio county: 241
Share by type (all 248 native species)
Percent of the 248 native species in each growth type
Tree 21% (51)
Shrub 4% (10)
Wildflower (forb) 50% (123)
Grass or grass-like 19% (46)
Vine 5% (12)
Fern 2% (6)

Wildflowers make up the largest share of the native list (50%), followed by trees (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 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 136

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

Garden-ready native plants of Allen County, Ohio
PlantType HeightLight Water useHardy to
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 sycamore Platanus occidentalis Tree 100 ft Sun–part shade High Zone 4a
American water-willow Justicia americana Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4b
American witchhazel Hamamelis virginiana Tree 20 ft Sun–part shade 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 walnut Juglans nigra Tree 100 ft Sun High Zone 4b
blue cohosh Caulophyllum thalictroides Wildflower (forb) 2.5 ft Shade-tolerant Medium Zone 4a
blunt broom sedge Carex tribuloides Grass or grass-like 3 ft Shade-tolerant Medium Zone 4b
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
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 —
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Canadian waterweed Elodea canadensis Wildflower (forb) — Sun High 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
climbing rose Rosa setigera Vine 16 ft Sun Low Zone 6a
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 duckweed Lemna minor Wildflower (forb) — Sun High Zone 3b
common hackberry Celtis occidentalis Tree 60 ft Shade-tolerant Low Zone 2b
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 snowberry Symphoricarpos albus Shrub 3 ft Sun Medium 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
deertongue Dichanthelium clandestinum Grass or grass-like 2 ft Sun Low Zone 4a
devil's darning needles Clematis virginiana Vine 15 ft Sun–part shade Medium Zone 3b
downy yellow violet Viola pubescens Wildflower (forb) 1.3 ft Shade-tolerant Medium Zone 4a
dwarf St. Johnswort Hypericum mutilum Wildflower (forb) 2.6 ft Sun–part shade Medium Zone 5a
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
eastern woodland sedge Carex blanda Grass or grass-like 2 ft Shade-tolerant High Zone 4b
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
field horsetail Equisetum arvense Fern 11 in Sun–part shade High Zone 3a
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
Frank's sedge Carex frankii Grass or grass-like 2 ft Shade-tolerant High Zone 5a
frost grape Vitis vulpina Vine 83 ft Sun–part shade Medium Zone 5a
gray dogwood Cornus racemosa Shrub 10 ft Shade-tolerant Medium Zone 2b
Gray's sedge Carex grayi Grass or grass-like 3 ft Shade-tolerant High Zone 4a
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
hairy white oldfield aster Symphyotrichum pilosum Wildflower (forb) 3 ft Shade-tolerant Medium Zone 4a
halberdleaf rosemallow Hibiscus laevis Wildflower (forb) 8 ft Sun–part shade High Zone 6a
harvestlice Agrimonia parviflora Wildflower (forb) 6 ft Sun–part shade High Zone 4a
honeylocust Gleditsia triacanthos Tree 70 ft Sun 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
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
littleleaf buttercup Ranunculus abortivus Wildflower (forb) 2.8 ft Shade-tolerant Medium Zone 3a
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
mapleleaf viburnum Viburnum acerifolium Shrub 6 ft Shade-tolerant Medium Zone 4b
marsh seedbox Ludwigia palustris Wildflower (forb) 2 in Sun High Zone 4a
Missouri River willow Salix eriocephala Tree 52 ft Shade-tolerant High Zone 3b
narrowleaf blue-eyed grass Sisyrinchium angustifolium Wildflower (forb) 2 ft Sun–part shade Medium Zone 7a
New York fern Thelypteris noveboracensis Fern 1.5 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
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
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
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
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
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
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 wildrye Elymus riparius Grass or grass-like 4.5 ft Shade-tolerant High Zone 4a
rough avens Geum laciniatum Wildflower (forb) 3.1 ft Sun–part shade Medium Zone 5a
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
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
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
Shumard's oak Quercus shumardii Tree 100 ft Sun Medium Zone 5a
silky dogwood Cornus amomum Shrub 10 ft Sun–part shade High Zone 3b
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
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
smooth hedgenettle Stachys tenuifolia Wildflower (forb) 25 ft Shade-tolerant High 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
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
stiff goldenrod Oligoneuron rigidum Wildflower (forb) 3.6 ft Sun–part shade Medium Zone 3a
sugar maple Acer saccharum Tree 100 ft Shade-tolerant Medium Zone 2b
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
switchgrass Panicum virgatum Grass or grass-like 5 ft Sun Medium Zone 3a
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
upright sedge Carex stricta Grass or grass-like 4.2 ft Shade-tolerant Medium Zone 3b
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 wildrye Elymus virginicus Grass or grass-like 2.5 ft Shade-tolerant Medium Zone 4b
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 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
woodland bluegrass Poa sylvestris Grass or grass-like 3 ft Shade-tolerant High Zone 4a
yellow marsh marigold Caltha palustris Wildflower (forb) 2 ft Sun High Zone 3b

Other native species recorded here 112

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.

  • American alumroot Heuchera americana
  • American false pennyroyal Hedeoma pulegioides
  • American golden saxifrage Chrysosplenium americanum
  • beechdrops Epifagus virginiana
  • bloodroot Sanguinaria canadensis
  • blue ash Fraxinus quadrangulata
  • blue skullcap Scutellaria lateriflora
  • bluntleaf sandwort Moehringia lateriflora
  • bog yellowcress Rorippa palustris
  • bristly greenbrier Smilax tamnoides
  • broad beechfern Phegopteris hexagonoptera
  • broad looseflower sedge Carex laxiflora
  • Canada lettuce Lactuca canadensis
  • Canadian blacksnakeroot Sanicula canadensis
  • Canadian clearweed Pilea pumila
  • Canadian honewort Cryptotaenia canadensis
  • Canadian wildginger Asarum canadense
  • Canadian woodnettle Laportea canadensis
  • Carey's sedge Carex careyana
  • carpenter's square Scrophularia marilandica
  • clammy groundcherry Physalis heterophylla
  • clustered blacksnakeroot Sanicula odorata
  • common boneset Eupatorium perfoliatum
  • common cinquefoil Potentilla simplex
  • common milkweed Asclepias syriaca
  • common moonseed Menispermum canadense
  • common pricklyash Zanthoxylum americanum
  • curlycup gumweed Grindelia squarrosa
  • cutleaf toothwort Cardamine concatenata
  • dotted hawthorn Crataegus punctata
  • earlyleaf brome Bromus latiglumis
  • eastern bottlebrush grass Elymus hystrix
  • eastern poison ivy Toxicodendron radicans
  • eastern prickly gooseberry Ribes cynosbati
  • eastern waterleaf Hydrophyllum virginianum
  • false mermaidweed Floerkea proserpinacoides
  • feathery false lily of the valley Maianthemum racemosum
  • fire pink Silene virginica
  • fourleaf milkweed Asclepias quadrifolia
  • fragrant bedstraw Galium triflorum
  • fringed loosestrife Lysimachia ciliata
  • great blue lobelia Lobelia siphilitica
  • great waterleaf Hydrophyllum appendiculatum
  • Greek valerian Polemonium reptans
  • hairy beardtongue Penstemon hirsutus
  • hairy pagoda-plant Blephilia hirsuta
  • hairy Solomon's seal Polygonatum pubescens
  • hairyjoint meadowparsnip Thaspium barbinode
  • harbinger of spring Erigenia bulbosa
  • heartleaf four o'clock Mirabilis nyctaginea
  • heartleaf skullcap Scutellaria ovata
  • Indian cucumber Medeola virginiana
  • Indianpipe Monotropa uniflora
  • jumpseed Polygonum virginianum
  • lace grass Eragrostis capillaris
  • lanceleaf fogfruit Phyla lanceolata
  • lanceleaf sage Salvia reflexa
  • largefruit blacksnakeroot Sanicula trifoliata
  • largeleaf waterleaf Hydrophyllum macrophyllum
  • licorice bedstraw Galium circaezans
  • longsepal beardtongue Penstemon calycosus
  • lowland bladderfern Cystopteris protrusa
  • mayapple Podophyllum peltatum
  • needleleaf navarretia Navarretia intertexta
  • New England aster Symphyotrichum novae-angliae
  • nodding wakerobin Trillium flexipes
  • Norwegian cinquefoil Potentilla norvegica
  • obedient plant Physostegia virginiana
  • orangefruit horse-gentian Triosteum aurantiacum
  • pale dock Rumex altissimus
  • parasol whitetop Doellingeria umbellata
  • Pennsylvania pellitory Parietaria pensylvanica
  • Pennsylvania sedge Carex pensylvanica
  • poverty oatgrass Danthonia spicata
  • prairie rosinweed Silphium terebinthinaceum
  • prairie threeawn Aristida oligantha
  • purple meadowparsnip Thaspium trifoliatum
  • purplestem angelica Angelica atropurpurea
  • ramp Allium tricoccum
  • redwhisker clammyweed Polanisia dodecandra
  • richweed Collinsonia canadensis
  • rosy sedge Carex rosea
  • rough barnyardgrass Echinochloa muricata
  • rue anemone Thalictrum thalictroides
  • sand violet Viola affinis
  • sensitive fern Onoclea sensibilis
  • slender wedgescale Sphenopholis intermedia
  • smooth carrionflower Smilax herbacea
  • smooth oxeye Heliopsis helianthoides
  • soft agrimony Agrimonia pubescens
  • soft fox sedge Carex conjuncta
  • spotted geranium Geranium maculatum
  • spotted water hemlock Cicuta maculata
  • spreading chervil Chaerophyllum procumbens
  • striped cream violet Viola striata
  • swamp dock Rumex verticillatus
  • tall rattlesnakeroot Prenanthes altissima
  • tall thimbleweed Anemone virginiana
  • toadshade Trillium sessile
  • tufted lovegrass Eragrostis pectinacea
  • Virginia pepperweed Lepidium virginicum
  • Virginia springbeauty Claytonia virginica
  • Virginia strawberry Fragaria virginiana
  • white baneberry Actaea pachypoda
  • white bear sedge Carex albursina
  • white trillium Trillium grandiflorum
  • white vervain Verbena urticifolia
  • wild cucumber Echinocystis lobata
  • wild yam Dioscorea villosa
  • wingstem Verbesina alternifolia
  • witchgrass Panicum capillare
  • wood anemone Anemone quinquefolia

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, Allen County and Ohio
MeasureAllen CountyTypical countyStatewide
Native species 248 559 1,740
Garden-ready natives 136 241 594
Tree 51 — 160
Shrub 10 — 94
Wildflower (forb) 123 — 939
Grass or grass-like 46 — 400
Vine 12 — 62
Fern 6 — 85

Neighboring counties

Counties that share a ZIP code with Allen 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
Allen County (county FIPS 39003), Ohio. 248 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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