Native plants · Indiana

Native plants of Hamilton County

424 plant species are recorded as native to Indiana in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Hamilton County by USDA PLANTS. 194 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 4 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Hamilton County, Indiana

Native species: 424 Typical Indiana county: 494 (median of 92 counties)
Garden-ready natives: 194 Typical Indiana county: 211
Share by type (all 424 native species): Percent of the 424 native species in each growth type

Tree 12% (49)
Shrub 3% (13)
Wildflower (forb) 60% (255)
Grass or grass-like 18% (76)
Vine 5% (20)
Fern 3% (11)

Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (18%).

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

Garden-ready natives 194

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

Garden-ready native plants of Hamilton County, Indiana
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 bellflower Campanulastrum americanum	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 12b
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 pokeweed Phytolacca americana	Wildflower (forb)	7.3 ft	Shade-tolerant	Medium	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 water-willow Justicia americana	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
arctic brome Bromus kalmii	Grass or grass-like	3 ft	Shade-tolerant	Low	Zone 4a
arrowleaf tearthumb Polygonum sagittatum	Vine	1 ft	Sun	Medium	Zone 6a
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
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
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 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
blackhaw Viburnum prunifolium	Tree	16 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
bristlystalked sedge Carex leptalea	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 4a
broadfruit bur-reed Sparganium eurycarpum	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
broom sedge Carex scoparia	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 3b
bulbous bittercress Cardamine bulbosa	Wildflower (forb)	1.4 ft	Shade-tolerant	Medium	Zone 4a
burningbush Euonymus atropurpureus	Tree	10 ft	Shade-tolerant	Low	—
butterfly milkweed Asclepias tuberosa	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
butternut Juglans cinerea	Tree	80 ft	Sun	Medium	Zone 4a
Canada goldenrod Solidago altissima	Wildflower (forb)	5 ft	Sun–part shade	Medium	Zone 4b
Canada wildrye Elymus canadensis	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3a
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian rush Juncus canadensis	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
catchfly grass Leersia lenticularis	Grass or grass-like	2.6 ft	Sun	Medium	Zone 4a
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
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 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 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 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
cup plant Silphium perfoliatum	Wildflower (forb)	6 ft	Sun–part shade	—	Zone 2b
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
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 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
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 pussytoes Antennaria neglecta	Wildflower (forb)	1 ft	Sun	Low	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
fragrant flatsedge Cyperus odoratus	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
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
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
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
Gray's sedge Carex grayi	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 sedge Carex lacustris	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4b
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
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
Jerusalem artichoke Helianthus tuberosus	Wildflower (forb)	9.8 ft	Sun–part shade	Low	Zone 3a
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
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
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
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 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
panicledleaf ticktrefoil Desmodium paniculatum	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 6a
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
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
perplexed ticktrefoil Desmodium perplexum	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 4a
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
pinnate prairie coneflower Ratibida pinnata	Wildflower (forb)	4 ft	Sun	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 wedgescale Sphenopholis obtusata	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3a
prairie willow Salix humilis	Shrub	10 ft	Sun–part shade	High	Zone 3a
purpleleaf willowherb Epilobium coloratum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 4a
purpletop tridens Tridens flavus	Grass or grass-like	2.5 ft	Sun	Low	Zone 5a
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 maple Acer rubrum	Tree	68 ft	Sun–part shade	High	Zone 2b
red mulberry Morus rubra	Tree	70 ft	Shade-tolerant	Medium	Zone 4a
redroot flatsedge Cyperus erythrorhizos	Grass or grass-like	2.5 ft	Sun	Medium	Zone 11a
redtop panicgrass Panicum rigidulum	Grass or grass-like	3.3 ft	Sun	High	Zone 4a
reed canarygrass Phalaris arundinacea	Grass or grass-like	5 ft	Sun	High	Zone 3b
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
rock elm Ulmus thomasii	Tree	90 ft	Sun–part shade	High	Zone 2b
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
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
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
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
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
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
shoreline sedge Carex hyalinolepis	Grass or grass-like	4 ft	Sun–part shade	High	Zone 4b
Shumard's oak Quercus shumardii	Tree	100 ft	Sun	Medium	Zone 5a
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
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 hedgenettle Stachys tenuifolia	Wildflower (forb)	25 ft	Shade-tolerant	High	Zone 4a
smooth horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
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
stalkless yellowcress Rorippa sessiliflora	Wildflower (forb)	1.5 ft	Sun–part shade	High	Zone 12b
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 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 smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
sweet woodreed Cinna arundinacea	Grass or grass-like	4.9 ft	Shade-tolerant	Low	Zone 4a
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
taperleaf water horehound Lycopus rubellus	Wildflower (forb)	1.6 ft	Shade-tolerant	High	Zone 5a
tawny cottongrass Eriophorum virginicum	Grass or grass-like	3.9 ft	Sun	Medium	Zone 4a
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	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 iris Iris virginica	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 8b
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
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
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 sweetwilliam Phlox maculata	Wildflower (forb)	2 ft	Sun	Medium	Zone 5b
woodland bluegrass Poa sylvestris	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
woolgrass Scirpus cyperinus	Grass or grass-like	4.9 ft	Sun–part shade	High	Zone 4a
wreath goldenrod Solidago caesia	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4b
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 230

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
amberique-bean Strophostyles helvola
American beakgrain Diarrhena americana
American false pennyroyal Hedeoma pulegioides
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
American senna Senna hebecarpa
American spikenard Aralia racemosa
bald spikerush Eleocharis erythropoda
bearded shorthusk Brachyelytrum erectum
beechdrops Epifagus virginiana
beggarslice Hackelia virginiana
big devils beggartick Bidens vulgata
blackseed plantain Plantago rugelii
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
bloody butcher Trillium recurvatum
blue ash Fraxinus quadrangulata
blue skullcap Scutellaria lateriflora
bottlebrush sedge Carex hystericina
bristly greenbrier Smilax tamnoides
broad looseflower sedge Carex laxiflora
browneyed Susan Rudbeckia triloba
Canada lettuce Lactuca canadensis
Canadian anemone Anemone canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian wildginger Asarum canadense
Canadian woodnettle Laportea canadensis
carpenter's square Scrophularia marilandica
celandine poppy Stylophorum diphyllum
clammy hedgehyssop Gratiola neglecta
clasping Venus' looking-glass Triodanis perfoliata
Clayton's sweetroot Osmorhiza claytonii
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 threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
curlytop knotweed Polygonum lapathifolium
cutleaf toothwort Cardamine concatenata
Davis' sedge Carex davisii
dogtooth violet Erythronium americanum
Dudley's rush Juncus dudleyi
dwarf larkspur Delphinium tricorne
early meadow-rue Thalictrum dioicum
earlyleaf brome Bromus latiglumis
eastern bottlebrush grass Elymus hystrix
eastern false rue anemone Enemion biternatum
eastern gray beardtongue Penstemon canescens
eastern greenviolet Hybanthus concolor
eastern marsh fern Thelypteris palustris
eastern poison ivy Toxicodendron radicans
eastern prickly gooseberry Ribes cynosbati
eastern swamp saxifrage Saxifraga pensylvanica
eastern waterleaf Hydrophyllum virginianum
ebony spleenwort Asplenium platyneuron
elmleaf goldenrod Solidago ulmifolia
Emory's sedge Carex emoryi
evening campion Silene nivea
fall phlox Phlox paniculata
false hop sedge Carex lupuliformis
false Indian plantain Hasteola suaveolens
false mermaidweed Floerkea proserpinacoides
feathery false lily of the valley Maianthemum racemosum
fernleaf phacelia Phacelia bipinnatifida
fetid marigold Dyssodia papposa
feverwort Triosteum perfoliatum
fibrousroot sedge Carex communis
field thistle Cirsium discolor
fire pink Silene virginica
flowering spurge Euphorbia corollata
fourleaf milkweed Asclepias quadrifolia
Fraser's marsh St. Johnswort Triadenum fraseri
fringed loosestrife Lysimachia ciliata
Gattinger's panicgrass Panicum gattingeri
giant ironweed Vernonia gigantea
giant sunflower Helianthus giganteus
glade fern Diplazium pycnocarpon
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
great blue lobelia Lobelia siphilitica
great ragweed Ambrosia trifida
great waterleaf Hydrophyllum appendiculatum
Greek valerian Polemonium reptans
green carpetweed Mollugo verticillata
green dragon Arisaema dracontium
hairy beardtongue Penstemon hirsutus
hairy pagoda-plant Blephilia hirsuta
hairy Solomon's seal Polygonatum pubescens
hairy wildrye Elymus villosus
hairyjoint meadowparsnip Thaspium barbinode
harbinger of spring Erigenia bulbosa
harvestbells Gentiana saponaria
heartleaf four o'clock Mirabilis nyctaginea
Heller's rosette grass Dichanthelium oligosanthes
hemlock waterparsnip Sium suave
hoary skullcap Scutellaria incana
hoary verbena Verbena stricta
Indian-tobacco Lobelia inflata
James' sedge Carex jamesii
jumpseed Polygonum virginianum
lakecress Neobeckia aquatica
lanceleaf fogfruit Phyla lanceolata
largeflower bellwort Uvularia grandiflora
largeleaf waterleaf Hydrophyllum macrophyllum
longleaf groundcherry Physalis longifolia
longsepal beardtongue Penstemon calycosus
longstyle sweetroot Osmorhiza longistylis
low spikesedge Kyllinga pumila
man of the earth Ipomoea pandurata
marsh blue violet Viola cucullata
marsh pea Lathyrus palustris
marsh skullcap Scutellaria galericulata
mayapple Podophyllum peltatum
meadow garlic Allium canadense
Miami mist Phacelia purshii
Michigan lily Lilium michiganense
Missouri gooseberry Ribes missouriense
mullein foxglove Dasistoma macrophylla
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf vervain Verbena simplex
navel cornsalad Valerianella umbilicata
neckweed Veronica peregrina
nodding chickweed Cerastium nutans
nodding onion Allium cernuum
Norwegian cinquefoil Potentilla norvegica
obedient plant Physostegia virginiana
orangefruit horse-gentian Triosteum aurantiacum
pale Indian plantain Arnoglossum atriplicifolium
parasol whitetop Doellingeria umbellata
Parlin's pussytoes Antennaria parlinii
Pennsylvania pellitory Parietaria pensylvanica
pointedleaf ticktrefoil Desmodium glutinosum
poison sumac Toxicodendron vernix
poke milkweed Asclepias exaltata
poverty dropseed Sporobolus vaginiflorus
prairie tea Croton monanthogynus
pubescent sedge Carex hirtifolia
puffsheath dropseed Sporobolus neglectus
purple chokeberry Aronia ×prunifolia
purple false foxglove Agalinis purpurea
purple giant hyssop Agastache scrophulariifolia
purple meadow-rue Thalictrum dasycarpum
purple meadowparsnip Thaspium trifoliatum
purplerocket Iodanthus pinnatifidus
purplestem angelica Angelica atropurpurea
queen of the prairie Filipendula rubra
ramp Allium tricoccum
rosy sedge Carex rosea
roundleaf ragwort Packera obovata
roundseed St. Johnswort Hypericum sphaerocarpum
scaldweed Cuscuta gronovii
sensitive fern Onoclea sensibilis
Short's aster Symphyotrichum shortii
Short's rockcress Arabis shortii
shortbeak arrowhead Sagittaria brevirostra
showy lady's slipper Cypripedium reginae
showy orchid Galearis spectabilis
silky dogwood Cornus obliqua
skullcap speedwell Veronica scutellata
sleepy silene Silene antirrhina
slender looseflower sedge Carex gracilescens
slender wedgescale Sphenopholis intermedia
slenderleaf false foxglove Agalinis tenuifolia
small woodland sunflower Helianthus microcephalus
smallflower false foxglove Agalinis paupercula
smartweed dodder Cuscuta polygonorum
smooth oxeye Heliopsis helianthoides
smooth rockcress Arabis laevigata
smooth Solomon's seal Polygonatum biflorum
soft agrimony Agrimonia pubescens
soft-hair marbleseed Onosmodium bejariense
Spanish needles Bidens bipinnata
spoonleaf sundew Drosera intermedia
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading chervil Chaerophyllum procumbens
spreading hawthorn Crataegus disperma
spring blue eyed Mary Collinsia verna
star chickweed Stellaria pubera
starry false lily of the valley Maianthemum stellatum
stiff cowbane Oxypolis rigidior
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 rattlesnakeroot Prenanthes altissima
tall thimbleweed Anemone virginiana
Tennessee bladderfern Cystopteris tennesseensis
toothed spurge Euphorbia dentata
tufted lovegrass Eragrostis pectinacea
twinleaf Jeffersonia diphylla
twoleaf miterwort Mitella diphylla
Virginia mountainmint Pycnanthemum virginianum
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
waxyleaf meadow-rue Thalictrum revolutum
western tansymustard Descurainia pinnata
white baneberry Actaea pachypoda
white fawnlily Erythronium albidum
white snakeroot Ageratina altissima
white turtlehead Chelone glabra
white vervain Verbena urticifolia
whitetinge sedge Carex albicans
whorled milkweed Asclepias verticillata
widowsfrill Silene stellata
wild cucumber Echinocystis lobata
wild hydrangea Hydrangea arborescens
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
wingstem Verbesina alternifolia
witchgrass Panicum capillare
Wood's bunchflower Veratrum woodii
woodland stonecrop Sedum ternatum
woolly dutchman's pipe Aristolochia tomentosa
yellow giant hyssop Agastache nepetoides
yellowseed false pimpernel Lindernia dubia

Also listed as native and introduced here 4

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
climbing false buckwheatPolygonum scandens
hedge false bindweedCalystegia sepium
Kentucky bluegrassPoa pratensis

Compared with Indiana

The typical county is the median of the 92 Indiana 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, Hamilton County and Indiana
Measure	Hamilton County	Typical county	Statewide
Native species	424	494	1,773
Garden-ready natives	194	211	601
Tree	49	—	164
Shrub	13	—	88
Wildflower (forb)	255	—	954
Grass or grass-like	76	—	416
Vine	20	—	74
Fern	11	—	77

Neighboring counties

Counties that share a ZIP code with Hamilton County.

Boone County, IN 110 garden-ready
Clinton County, IN 116 garden-ready
Hancock County, IN 149 garden-ready
Madison County, IN 206 garden-ready
Marion County, IN 254 garden-ready
Tipton County, IN 128 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: Hamilton County (county FIPS 18057), Indiana. 424 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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