Native plants · Pennsylvania

Native plants of Mercer County

772 plant species are recorded as native to Pennsylvania in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Mercer County by USDA PLANTS. 340 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

Mercer County, Pennsylvania

Native species: 772 Typical Pennsylvania county: 763 (median of 67 counties)
Garden-ready natives: 340 Typical Pennsylvania county: 331
Share by type (all 772 native species): Percent of the 772 native species in each growth type

Tree 10% (80)
Shrub 7% (51)
Wildflower (forb) 55% (423)
Grass or grass-like 20% (153)
Vine 3% (25)
Fern 5% (40)

Wildflowers make up the largest share of the native list (55%), followed by grasses and grass-like plants (20%).

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 340

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

Garden-ready native plants of Mercer County, Pennsylvania
Plant	Type	Height	Light	Water use	Hardy to
alderleaf buckthorn Rhamnus alnifolia	Shrub	3 ft	Shade-tolerant	High	Zone 4a
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 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 black currant Ribes americanum	Shrub	3 ft	—	—	Zone 2b
American bur-reed Sparganium americanum	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 4a
American chestnut Castanea dentata	Tree	115 ft	Sun	Medium	Zone 4a
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 holly Ilex opaca	Tree	40 ft	Shade-tolerant	Medium	Zone 5a
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 speedwell Veronica americana	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 3b
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 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
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
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 chokeberry Aronia melanocarpa	Shrub	6 ft	Shade-tolerant	—	Zone 9b
black huckleberry Gaylussacia baccata	Shrub	4 ft	Shade-tolerant	Low	Zone 4a
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
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
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
bluebead Clintonia borealis	Wildflower (forb)	1.1 ft	Sun	Medium	Zone 4a
bluejoint Calamagrostis canadensis	Grass or grass-like	4.9 ft	Sun	Medium	Zone 4a
blunt 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
bog goldenrod Solidago uliginosa	Wildflower (forb)	2.5 ft	Sun–part shade	High	Zone 5a
bottle gentian Gentiana clausa	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
bristly buttercup Ranunculus hispidus	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
bristly dewberry Rubus hispidus	Shrub	2 ft	Sun	High	Zone 3b
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
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
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
bunchberry dogwood Cornus canadensis	Shrub	6 in	Shade-tolerant	High	Zone 4b
bur oak Quercus macrocarpa	Tree	100 ft	Sun–part shade	Medium	Zone 3b
bursting-heart Euonymus americanus	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 5a
butternut Juglans cinerea	Tree	80 ft	Sun	Medium	Zone 4a
calico aster Symphyotrichum lateriflorum	Wildflower (forb)	4 ft	Sun	Medium	Zone 4a
Canada germander Teucrium canadense	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
Canada goldenrod Solidago altissima	Wildflower (forb)	5 ft	Sun–part shade	Medium	Zone 4b
Canada goldenrod Solidago canadensis	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 3a
Canada yew Taxus canadensis	Shrub	5 ft	Shade-tolerant	Medium	Zone 4b
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
Canadian rush Juncus canadensis	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
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
cattail sedge Carex typhina	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
chestnut oak Quercus montana	Tree	73 ft	Sun–part shade	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
closed bottle gentian Gentiana andrewsii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
cockspur hawthorn Crataegus crus-galli	Tree	30 ft	Sun	Low	Zone 4a
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 buttonbush Cephalanthus occidentalis	Tree	15 ft	Shade-tolerant	High	Zone 4a
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common goldstar Hypoxis hirsuta	Wildflower (forb)	10 in	Sun–part shade	Medium	Zone 4a
common ninebark Physocarpus opulifolius	Shrub	10 ft	Sun	Low	Zone 4a
common rush Juncus effusus	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
common selfheal Prunella vulgaris	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
common 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 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
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
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
crested woodfern Dryopteris cristata	Fern	1.6 ft	Shade-tolerant	High	Zone 4a
crookedstem aster Symphyotrichum prenanthoides	Wildflower (forb)	4 ft	Sun	Medium	Zone 3b
cucumber tree Magnolia acuminata	Tree	100 ft	Sun–part shade	High	Zone 5b
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
deerberry Vaccinium stamineum	Shrub	16 ft	Shade-tolerant	Low	Zone 5a
deertongue Dichanthelium clandestinum	Grass or grass-like	2 ft	Sun	Low	Zone 4a
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
drooping sedge Carex prasina	Grass or grass-like	2.3 ft	Shade-tolerant	Medium	Zone 4b
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
eastern hemlock Tsuga canadensis	Tree	105 ft	Shade-tolerant	Medium	Zone 4a
eastern narrowleaf sedge Carex amphibola	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 7a
eastern rough sedge Carex scabrata	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
eastern teaberry Gaultheria procumbens	Shrub	6 in	Shade-tolerant	Low	Zone 4a
eastern white pine Pinus strobus	Tree	150 ft	Sun–part shade	Medium	Zone 4a
eastern woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
field paspalum Paspalum laeve	Grass or grass-like	2.9 ft	Sun–part shade	Medium	Zone 6a
field pussytoes Antennaria neglecta	Wildflower (forb)	1 ft	Sun	Low	Zone 3b
fireweed Chamerion angustifolium	Wildflower (forb)	5.5 ft	Sun–part shade	High	Zone 3b
flattened oatgrass Danthonia compressa	Grass or grass-like	2.4 ft	Shade-tolerant	Medium	Zone 4a
flowering dogwood Cornus florida	Tree	30 ft	Shade-tolerant	Low	Zone 4b
fowl bluegrass Poa palustris	Grass or grass-like	4 ft	Sun–part shade	Medium	Zone 3b
fowl mannagrass Glyceria striata	Grass or grass-like	5.7 ft	Shade-tolerant	Medium	Zone 3b
fox sedge Carex vulpinoidea	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3b
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
golden ragwort Packera aurea	Wildflower (forb)	3.9 ft	Shade-tolerant	High	Zone 3a
graceful sedge Carex gracillima	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4a
grassleaf rush Juncus marginatus	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 5a
gray alder Alnus incana	Tree	25 ft	Sun–part shade	High	Zone 4a
gray birch Betula populifolia	Tree	25 ft	Sun–part shade	Low	Zone 3b
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
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
greater straw sedge Carex normalis	Grass or grass-like	5 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
greenwhite sedge Carex albolutescens	Grass or grass-like	3.9 ft	Sun–part shade	Medium	Zone 3b
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
hairy sedge Carex lacustris	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4b
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
hairyfruit sedge Carex trichocarpa	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
harvestlice Agrimonia parviflora	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4a
hazel alder Alnus serrulata	Tree	30 ft	Sun	High	Zone 5a
highbush blueberry Vaccinium corymbosum	Shrub	12 ft	Shade-tolerant	Medium	Zone 4a
hobblebush Viburnum lantanoides	Shrub	10 ft	Shade-tolerant	Medium	Zone 3b
hop sedge Carex lupulina	Grass or grass-like	4.3 ft	Sun–part shade	Medium	Zone 3b
horseflyweed Baptisia tinctoria	Wildflower (forb)	2.5 ft	Sun	Low	Zone 7b
Indiangrass Sorghastrum nutans	Grass or grass-like	6 ft	Sun	Medium	Zone 3b
Indianhemp Apocynum cannabinum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
interrupted fern Osmunda claytoniana	Fern	4 ft	Shade-tolerant	High	Zone 3b
Jack in the pulpit Arisaema triphyllum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 5b
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
jointleaf rush Juncus articulatus	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4b
largeleaf pondweed Potamogeton amplifolius	Wildflower (forb)	—	Sun	High	Zone 4a
late purple aster Symphyotrichum patens	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 3b
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
leatherleaf Chamaedaphne calyculata	Shrub	4 ft	Sun–part shade	High	Zone 4b
lesser panicled sedge Carex diandra	Grass or grass-like	3 ft	Sun–part shade	High	Zone 4a
limestone bittercress Cardamine douglassii	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4a
limestone meadow sedge Carex granularis	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 4a
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
longhair sedge Carex comosa	Grass or grass-like	5 ft	Sun–part shade	High	Zone 4b
longleaf starwort Stellaria longifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 3b
lowbush blueberry Vaccinium angustifolium	Shrub	2 ft	Sun	Medium	Zone 4a
maleberry Lyonia ligustrina	Shrub	9 ft	Shade-tolerant	—	Zone 5a
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
melic mannagrass Glyceria melicaria	Grass or grass-like	3.9 ft	Sun	Medium	Zone 4a
Mexican muhly Muhlenbergia mexicana	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4a
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
mountain maple Acer spicatum	Tree	25 ft	Shade-tolerant	Medium	Zone 2b
nannyberry Viburnum lentago	Tree	28 ft	Shade-tolerant	Medium	Zone 4a
narrowleaf blue-eyed grass Sisyrinchium angustifolium	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 7a
narrowleaf evening primrose Oenothera fruticosa	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 4a
necklace sedge Carex projecta	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 4a
nerveless woodland sedge Carex leptonervia	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 4a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
New York fern Thelypteris noveboracensis	Fern	1.5 ft	Shade-tolerant	Low	Zone 4b
New York ironweed Vernonia noveboracensis	Wildflower (forb)	6.6 ft	Sun–part shade	Medium	Zone 4a
nimblewill Muhlenbergia schreberi	Grass or grass-like	3.2 ft	Shade-tolerant	Low	Zone 4a
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 bush honeysuckle Diervilla lonicera	Shrub	2.4 ft	Sun–part shade	Low	Zone 5a
northern maidenhair Adiantum pedatum	Fern	1.3 ft	Shade-tolerant	Medium	Zone 3b
northern 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
oval-leaf sedge Carex cephalophora	Grass or grass-like	2.6 ft	Sun–part shade	Low	Zone 4a
pale touch-me-not Impatiens pallida	Wildflower (forb)	8.2 ft	Shade-tolerant	Medium	Zone 10b
panicledleaf ticktrefoil Desmodium paniculatum	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 6a
peachleaf willow Salix amygdaloides	Tree	60 ft	Sun	High	Zone 4a
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
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
pignut hickory Carya glabra	Tree	80 ft	Sun–part shade	Medium	Zone 4a
pin cherry Prunus pensylvanica	Tree	30 ft	Sun	Medium	Zone 3b
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
pink azalea Rhododendron periclymenoides	Shrub	10 ft	Shade-tolerant	Low	Zone 5b
pitch pine Pinus rigida	Tree	80 ft	Sun	Low	Zone 3a
possumhaw Viburnum nudum	Tree	15 ft	Shade-tolerant	Medium	Zone 4a
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
prairie willow Salix humilis	Shrub	10 ft	Sun–part shade	High	Zone 3a
prickly bog sedge Carex atlantica	Grass or grass-like	1.8 ft	Sun–part shade	High	Zone 5b
purple avens Geum rivale	Wildflower (forb)	3 ft	Sun	High	Zone 4a
purpleflowering raspberry Rubus odoratus	Shrub	5 ft	Sun–part shade	Medium	Zone 3b
purplehead sneezeweed Helenium flexuosum	Wildflower (forb)	3.2 ft	Sun	Low	Zone 4b
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
purplestem beggarticks Bidens connata	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
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
rattlesnake mannagrass Glyceria canadensis	Grass or grass-like	3.2 ft	Sun	Medium	Zone 4a
red chokeberry Aronia arbutifolia	Shrub	5 ft	Sun	High	Zone 5b
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
redosier dogwood Cornus sericea	Tree	12 ft	Sun	High	Zone 3b
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
ribbonleaf pondweed Potamogeton epihydrus	Wildflower (forb)	—	Sun	High	Zone 4a
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
riverbank wildrye Elymus riparius	Grass or grass-like	4.5 ft	Shade-tolerant	High	Zone 4a
roadside agrimony Agrimonia striata	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 3a
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
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
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
shingle oak Quercus imbricaria	Tree	45 ft	Sun	Medium	Zone 5b
shining willow Salix lucida	Tree	13 ft	Sun–part shade	High	Zone 3a
shortawn foxtail Alopecurus aequalis	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 3b
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
silvery sedge Carex canescens	Grass or grass-like	2 ft	Sun–part shade	High	Zone 4a
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 spikerush Eleocharis tenuis	Grass or grass-like	2.9 ft	Sun	Low	Zone 5a
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
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 sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
softleaf sedge Carex disperma	Grass or grass-like	2 ft	Sun–part shade	High	Zone 3b
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
southern arrowwood Viburnum recognitum	Tree	9 ft	Shade-tolerant	Medium	Zone 4b
spike trisetum Trisetum spicatum	Grass or grass-like	1.9 ft	Sun–part shade	Medium	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
squarestem spikerush Eleocharis quadrangulata	Grass or grass-like	4 ft	Sun	High	Zone 4b
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
star duckweed Lemna trisulca	Wildflower (forb)	4 in	Sun	High	Zone 3b
steeplebush Spiraea tomentosa	Shrub	4 ft	Sun	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 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
swamp white oak Quercus bicolor	Tree	100 ft	Sun–part shade	High	Zone 4b
sweet birch Betula lenta	Tree	60 ft	Sun	Medium	Zone 4b
sweet woodreed Cinna arundinacea	Grass or grass-like	4.9 ft	Shade-tolerant	Low	Zone 4a
tall hairy agrimony Agrimonia gryposepala	Wildflower (forb)	5.9 ft	Sun–part shade	Medium	Zone 3a
tamarack Larix laricina	Tree	80 ft	Sun	Medium	Zone 1a
tapertip rush Juncus acuminatus	Grass or grass-like	3 ft	Sun–part shade	High	Zone 4a
tawny cottongrass Eriophorum virginicum	Grass or grass-like	3.9 ft	Sun	Medium	Zone 4a
three-way sedge Dulichium arundinaceum	Grass or grass-like	2.6 ft	Sun–part shade	High	Zone 3b
threelobe beggarticks Bidens tripartita	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12a
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
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
trumpetweed Eutrochium fistulosum	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4b
tufted loosestrife Lysimachia thyrsiflora	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
tuliptree Liriodendron tulipifera	Tree	120 ft	Sun	Medium	Zone 5b
twisted sedge Carex torta	Grass or grass-like	2.8 ft	Shade-tolerant	Medium	Zone 4a
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
vernal water-starwort Callitriche palustris	Wildflower (forb)	10 in	Sun	Medium	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 pine Pinus virginiana	Tree	70 ft	Sun	Low	Zone 5a
Virginia rose Rosa virginiana	Shrub	6 ft	Sun–part shade	Medium	Zone 5b
Virginia spiderwort Tradescantia virginiana	Wildflower (forb)	1.1 ft	Sun–part shade	Medium	Zone 3b
Virginia water horehound Lycopus virginicus	Wildflower (forb)	4 ft	Shade-tolerant	High	Zone 4a
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
water horsetail Equisetum fluviatile	Fern	3 ft	Sun	High	Zone 4a
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
western pearly everlasting Anaphalis margaritacea	Wildflower (forb)	3 ft	Sun–part shade	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 edge sedge Carex debilis	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 6a
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
wild sweetwilliam Phlox maculata	Wildflower (forb)	2 ft	Sun	Medium	Zone 5b
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
wirestem muhly Muhlenbergia frondosa	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 3b
woodland bluegrass Poa sylvestris	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
woodland horsetail Equisetum sylvaticum	Fern	11 in	Shade-tolerant	Low	Zone 3a
woodland rush Juncus subcaudatus	Grass or grass-like	2.2 ft	Shade-tolerant	High	Zone 6b
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
wrinkleleaf goldenrod Solidago rugosa	Wildflower (forb)	3.3 ft	Sun–part shade	Medium	Zone 4a
yellow birch Betula alleghaniensis	Tree	75 ft	Sun–part shade	Medium	Zone 2b
yellow flatsedge Cyperus flavescens	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
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 432

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.

Allegheny hawkweed Hieracium paniculatum
Allegheny monkeyflower Mimulus ringens
Allegheny Mountain buttercup Ranunculus allegheniensis
alpine violet Viola labradorica
American alumroot Heuchera americana
American bladdernut Staphylea trifolia
American burnweed Erechtites hieraciifolius
American cancer-root Conopholis americana
American columbo Frasera caroliniensis
American fly honeysuckle Lonicera canadensis
American golden saxifrage Chrysosplenium americanum
American hogpeanut Amphicarpaea bracteata
American mannagrass Glyceria grandis
American marshpennywort Hydrocotyle americana
American milletgrass Milium effusum
American senna Senna hebecarpa
American spikenard Aralia racemosa
American white waterlily Nymphaea odorata
American wintergreen Pyrola americana
anisescented goldenrod Solidago odora
Appalachian barren strawberry Waldsteinia fragarioides
Appalachian gooseberry Ribes rotundifolium
Appalachian sedge Carex appalachica
arrowleaf violet Viola sagittata
autumn coralroot Corallorhiza odontorhiza
bastard toadflax Comandra umbellata
bay forget-me-not Myosotis laxa
bearded shorthusk Brachyelytrum erectum
beechdrops Epifagus virginiana
beggarslice Hackelia virginiana
biennial beeblossom Oenothera gaura
big devils beggartick Bidens vulgata
black baneberry Actaea racemosa
blackseed plantain Plantago rugelii
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
Blue Ridge blueberry Vaccinium pallidum
blue skullcap Scutellaria lateriflora
bluntleaf waterleaf Hydrophyllum canadense
bluntlobe grapefern Botrychium oneidense
bog bluegrass Poa paludigena
bog yellowcress Rorippa palustris
bottlebrush sedge Carex hystericina
Bowman's root Gillenia trifoliata
bride's feathers Aruncus dioicus
bristly greenbrier Smilax tamnoides
brittle bladderfern Cystopteris fragilis
broad beechfern Phegopteris hexagonoptera
broad looseflower sedge Carex laxiflora
brome-like sedge Carex bromoides
brown widelip orchid Liparis liliifolia
browneyed Susan Rudbeckia triloba
brownish beaksedge Rhynchospora capitellata
brownish sedge Carex brunnescens
bulblet-bearing water hemlock Cicuta bulbifera
buttonbush dodder Cuscuta cephalanthi
Canada lettuce Lactuca canadensis
Canada lily Lilium canadense
Canada mayflower Maianthemum canadense
Canada toadflax Nuttallanthus 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
Carolina horsenettle Solanum carolinense
Carolina puccoon Lithospermum caroliniense
Carolina sedge Carex caroliniana
Carolina springbeauty Claytonia caroliniana
carpenter's square Scrophularia marilandica
catberry Ilex mucronata
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
clammy groundcherry Physalis heterophylla
clammy hedgehyssop Gratiola neglecta
clasping Venus' looking-glass Triodanis perfoliata
Clayton's sweetroot Osmorhiza claytonii
climbing false buckwheat Polygonum scandens
Clinton's woodfern Dryopteris clintoniana
clubmoss Lycopodium ×habereri
clustered blacksnakeroot Sanicula odorata
Columbian watermeal Wolffia columbiana
common bladderwort Utricularia macrorhiza
common boneset Eupatorium perfoliatum
common cinquefoil Potentilla simplex
common marsh bedstraw Galium palustre
common milkweed Asclepias syriaca
common moonseed Menispermum canadense
common threeseed mercury Acalypha rhomboidea
common woodrush Luzula multiflora
common yellow oxalis Oxalis stricta
cranberry Vaccinium macrocarpon
creeping mannagrass Glyceria acutiflora
crinkleroot Cardamine diphylla
Culver's root Veronicastrum virginicum
cutleaf grapefern Botrychium dissectum
cutleaf toothwort Cardamine concatenata
cypress panicgrass Dichanthelium dichotomum
densetuft hairsedge Bulbostylis capillaris
dogtooth violet Erythronium americanum
dotted hawthorn Crataegus punctata
downy pagoda-plant Blephilia ciliata
downy rattlesnake plantain Goodyera pubescens
downy yellow false foxglove Aureolaria virginica
drooping woodland sedge Carex arctata
dwarf chinquapin oak Quercus prinoides
dwarf cinquefoil Potentilla canadensis
dwarf ginseng Panax trifolius
dwarf red blackberry Rubus pubescens
early blue violet Viola ×palmata
early bluegrass Poa cuspidata
early goldenrod Solidago juncea
early meadow-rue Thalictrum dioicum
early saxifrage Saxifraga virginiensis
earth loosestrife Lysimachia terrestris
eastern bottlebrush grass Elymus hystrix
eastern hayscented fern Dennstaedtia punctilobula
eastern leatherwood Dirca palustris
eastern marsh fern Thelypteris palustris
eastern poison ivy Toxicodendron radicans
eastern smooth beardtongue Penstemon laevigatus
eastern star sedge Carex radiata
eastern swamp saxifrage Saxifraga pensylvanica
eastern waterleaf Hydrophyllum virginianum
ebony spleenwort Asplenium platyneuron
elmleaf goldenrod Solidago ulmifolia
Emory's sedge Carex emoryi
Equisetum ×ferrissii Equisetum ×ferrissii
European bur-reed Sparganium emersum
eyebane Chamaesyce nutans
fairywand Chamaelirium luteum
fall phlox Phlox paniculata
false mermaidweed Floerkea proserpinacoides
fan clubmoss Lycopodium digitatum
feathery false lily of the valley Maianthemum racemosum
fernleaf yellow false foxglove Aureolaria pedicularia
feverwort Triosteum perfoliatum
fibrousroot sedge Carex communis
field thistle Cirsium discolor
fire pink Silene virginica
flat-top goldentop Euthamia graminifolia
fleshy hawthorn Crataegus succulenta
floating mannagrass Glyceria septentrionalis
flowering spurge Euphorbia corollata
fourleaf milkweed Asclepias quadrifolia
fox grape Vitis labrusca
fragrant bedstraw Galium triflorum
Fraser's marsh St. Johnswort Triadenum fraseri
fringed loosestrife Lysimachia ciliata
fuzzy wuzzy sedge Carex hirsutella
Gattinger's panicgrass Panicum gattingeri
giant ironweed Vernonia gigantea
giant sunflower Helianthus giganteus
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
Goldie's woodfern Dryopteris goldieana
grassleaf mudplantain Heteranthera dubia
great blue lobelia Lobelia siphilitica
greater purple fringed orchid Platanthera grandiflora
greater water dock Rumex orbiculatus
Greek valerian Polemonium reptans
green dragon Arisaema dracontium
green false hellebore Veratrum viride
green fringed orchid Platanthera lacera
grove bluegrass Poa alsodes
hairy angelica Angelica venenosa
hairy bedstraw Galium pilosum
hairy pagoda-plant Blephilia hirsuta
hairy Solomon's seal Polygonatum pubescens
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairy woodrush Luzula acuminata
hairyjoint meadowparsnip Thaspium barbinode
hairystem gooseberry Ribes hirtellum
halberdleaf tearthumb Polygonum arifolium
halberdleaf yellow violet Viola hastata
harlequin blueflag Iris versicolor
hay sedge Carex argyrantha
heartleaf four o'clock Mirabilis nyctaginea
hemlock waterparsnip Sium suave
hoary mountainmint Pycnanthemum incanum
hoary skullcap Scutellaria incana
hoary ticktrefoil Desmodium canescens
hornleaf riverweed Podostemum ceratophyllum
Howell's pussytoes Antennaria howellii
Illinois pondweed Potamogeton illinoensis
Indian cucumber Medeola virginiana
Indian-tobacco Lobelia inflata
Indianpipe Monotropa uniflora
inflated narrow-leaf sedge Carex grisea
intermediate woodfern Dryopteris intermedia
jumpseed Polygonum virginianum
king of the meadow Thalictrum pubescens
lanceleaf figwort Scrophularia lanceolata
lanceleaf fogfruit Phyla lanceolata
lanceleaf wild licorice Galium lanceolatum
largebract ticktrefoil Desmodium cuspidatum
largeflower bellwort Uvularia grandiflora
leafy bulrush Scirpus polyphyllus
lesser clearweed Pilea fontana
lesser purple fringed orchid Platanthera psycodes
lesser roundleaved orchid Platanthera orbiculata
lesser yellow lady's slipper Cypripedium parviflorum
limber honeysuckle Lonicera dioica
little evening primrose Oenothera perennis
lizard's tail Saururus cernuus
long beechfern Phegopteris connectilis
longspur violet Viola rostrata
longstalk sedge Carex pedunculata
longstyle sweetroot Osmorhiza longistylis
low false bindweed Calystegia spithamaea
Lowrie's blue wood aster Symphyotrichum lowrieanum
marginal woodfern Dryopteris marginalis
marsh blue violet Viola cucullata
marsh mermaidweed Proserpinaca palustris
marsh skullcap Scutellaria galericulata
Maryland sanicle Sanicula marilandica
matricary grapefern Botrychium matricariifolium
mayapple Podophyllum peltatum
meadow garlic Allium canadense
meadow spikemoss Selaginella apoda
minute duckweed Lemna perpusilla
moccasin flower Cypripedium acaule
mosquito bulrush Scirpus hattorianus
mountain holly Ilex montana
nakedflower ticktrefoil Desmodium nudiflorum
narrowleaf cowwheat Melampyrum lineare
navel cornsalad Valerianella umbilicata
neckweed Veronica peregrina
netted chainfern Woodwardia areolata
New England aster Symphyotrichum novae-angliae
nodding chickweed Cerastium nutans
nodding evening primrose Oenothera nutans
nodding sedge Carex gynandra
nodding wakerobin Trillium flexipes
northern dewberry Rubus flagellaris
northern long sedge Carex folliculata
northern water plantain Alisma triviale
Norwegian cinquefoil Potentilla norvegica
obedient plant Physostegia virginiana
oneflowered broomrape Orobanche uniflora
orangefruit horse-gentian Triosteum aurantiacum
painted trillium Trillium undulatum
pale false mannagrass Torreyochloa pallida
pale Indian plantain Arnoglossum atriplicifolium
palegreen orchid Platanthera flava
paleleaf woodland sunflower Helianthus strumosus
palespike lobelia Lobelia spicata
parasol whitetop Doellingeria umbellata
Parlin's pussytoes Antennaria parlinii
pasture thistle Cirsium pumilum
Pennsylvania sedge Carex pensylvanica
perfoliate bellwort Uvularia perfoliata
pinesap Monotropa hypopitys
pipevine Aristolochia macrophylla
pitseed goosefoot Chenopodium berlandieri
plantainleaf sedge Carex plantaginea
pleatleaf knotweed Polygonum tenue
pointedleaf ticktrefoil Desmodium glutinosum
poison sumac Toxicodendron vernix
poke milkweed Asclepias exaltata
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prostrate ticktrefoil Desmodium rotundifolium
puffsheath dropseed Sporobolus neglectus
purple bergamot Monarda media
purple meadowparsnip Thaspium trifoliatum
purple milkwort Polygala sanguinea
purple pitcherplant Sarracenia purpurea
purplestem angelica Angelica atropurpurea
queen of the prairie Filipendula rubra
rabbit-tobacco Pseudognaphalium obtusifolium
ramp Allium tricoccum
rare clubmoss Lycopodium obscurum
rattlesnakeweed Hieracium venosum
red columbine Aquilegia canadensis
red trillium Trillium erectum
redwhisker clammyweed Polanisia dodecandra
reflexed sedge Carex retroflexa
richweed Collinsonia canadensis
rigid sedge Carex tetanica
robin runaway Dalibarda repens
robin's plantain Erigeron pulchellus
rock harlequin Corydalis sempervirens
rock polypody Polypodium virginianum
rosy sedge Carex rosea
rough hawkweed Hieracium scabrum
roundleaf ragwort Packera obovata
roundleaf sundew Drosera rotundifolia
roundleaf yellow violet Viola rotundifolia
rue anemone Thalictrum thalictroides
running clubmoss Lycopodium clavatum
running serviceberry Amelanchier stolonifera
sand violet Viola affinis
scaldweed Cuscuta gronovii
scarlet beebalm Monarda didyma
Schweinitz's flatsedge Cyperus schweinitzii
seedbox Ludwigia alternifolia
Seneca snakeroot Polygala senega
sensitive fern Onoclea sensibilis
sessileleaf bellwort Uvularia sessilifolia
shining clubmoss Huperzia lucidula
shiny wedgescale Sphenopholis nitida
showy orchid Galearis spectabilis
showy ticktrefoil Desmodium canadense
shrubby lespedeza Lespedeza frutescens
sicklepod Arabis canadensis
sidebells wintergreen Orthilia secunda
silky dogwood Cornus obliqua
silver false spleenwort Deparia acrostichoides
sixweeks fescue Vulpia octoflora
skullcap speedwell Veronica scutellata
sleepy silene Silene antirrhina
slender looseflower sedge Carex gracilescens
slender toothwort Cardamine angustata
slender waternymph Najas gracillima
slender wedgescale Sphenopholis intermedia
slender woodland sedge Carex digitalis
slenderleaf false foxglove Agalinis tenuifolia
slim amaranth Amaranthus hybridus
small cranberry Vaccinium oxycoccos
small pondweed Potamogeton pusillus
small woodland sunflower Helianthus microcephalus
smallflower false foxglove Agalinis paupercula
smallfruit agrimony Agrimonia microcarpa
smooth carrionflower Smilax herbacea
smooth oxeye Heliopsis helianthoides
smooth rockcress Arabis laevigata
smooth Solomon's seal Polygonatum biflorum
smooth yellow false foxglove Aureolaria flava
snakemouth orchid Pogonia ophioglossoides
soft agrimony Agrimonia pubescens
spineless hornwort Ceratophyllum echinatum
spinulose woodfern Dryopteris carthusiana
spoonleaf purple everlasting Gamochaeta purpurea
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading dogbane Apocynum androsaemifolium
spreading sedge Carex laxiculmis
squirrel corn Dicentra canadensis
starflower Trientalis borealis
striped cream violet Viola striata
striped prince's pine Chimaphila maculata
summer coralroot Corallorhiza maculata
swamp dock Rumex verticillatus
swamp lousewort Pedicularis lanceolata
swamp thistle Cirsium muticum
swamp verbena Verbena hastata
Swan's sedge Carex swanii
swaying bulrush Schoenoplectus subterminalis
sweet white violet Viola blanda
sweetscented joe pye weed Eutrochium purpureum
tall blue lettuce Lactuca biennis
tall rattlesnakeroot Prenanthes altissima
tall thimbleweed Anemone virginiana
tall tickseed Coreopsis tripteris
tapered rosette grass Dichanthelium acuminatum
thinleaf late purple aster Symphyotrichum phlogifolium
thinleaf sedge Carex cephaloidea
thinleaf sunflower Helianthus decapetalus
threeleaf goldthread Coptis trifolia
tower rockcress Arabis glabra
trailing arbutus Epigaea repens
tree groundpine Lycopodium dendroideum
tuberous grasspink Calopogon tuberosus
Tuckerman's sedge Carex tuckermanii
tufted lovegrass Eragrostis pectinacea
turion duckweed Lemna turionifera
turk's-cap lily Lilium superbum
twistedstalk Streptopus lanceolatus
twoflower dwarfdandelion Krigia biflora
twoleaf miterwort Mitella diphylla
velvetleaf huckleberry Vaccinium myrtilloides
violet lespedeza Lespedeza violacea
Virginia bunchflower Veratrum virginicum
Virginia chainfern Woodwardia virginica
Virginia marsh St. Johnswort Triadenum virginicum
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
water arum Calla palustris
waterplantain spearwort Ranunculus ambigens
watershield Brasenia schreberi
wavyleaf aster Symphyotrichum undulatum
waxflower shinleaf Pyrola elliptica
weak stellate sedge Carex seorsa
western waterweed Elodea nuttallii
white arrowleaf aster Symphyotrichum urophyllum
white baneberry Actaea pachypoda
white beaksedge Rhynchospora alba
white bergamot Monarda clinopodia
white fawnlily Erythronium albidum
white goldenrod Solidago bicolor
white rattlesnakeroot Prenanthes alba
white snakeroot Ageratina altissima
white trillium Trillium grandiflorum
white turtlehead Chelone glabra
white vervain Verbena urticifolia
white wood aster Eurybia divaricata
whitetinge sedge Carex albicans
whorled milkwort Polygala ambigua
whorled milkwort Polygala verticillata
whorled mountainmint Pycnanthemum verticillatum
whorled rosinweed Silphium trifoliatum
whorled yellow loosestrife Lysimachia quadrifolia
widowsfrill Silene stellata
wild comfrey Cynoglossum virginianum
wild cucumber Echinocystis lobata
wild yam Dioscorea villosa
wingstem Verbesina alternifolia
witchgrass Panicum capillare
wood anemone Anemone quinquefolia
woodfern Dryopteris ×boottii
woodfern Dryopteris ×slossoniae
woodfern Dryopteris ×triploidea
woodland bulrush Scirpus expansus
woodland flax Linum virginianum
woodland stonecrop Sedum ternatum
woodland sunflower Helianthus divaricatus
woolly sedge Carex pellita
wormseed sandmat Chamaesyce vermiculata
yellow avens Geum aleppicum
yellow fairybells Prosartes lanuginosa
yellow nodding lady's tresses Spiranthes ochroleuca
yellow screwstem Bartonia virginica
yellow water buttercup Ranunculus flabellaris
yellow widelip orchid Liparis loeselii
yellowfruit sedge Carex annectens
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
common reedPhragmites australis
hedge false bindweedCalystegia sepium
Kentucky bluegrassPoa pratensis

Compared with Pennsylvania

The typical county is the median of the 67 Pennsylvania 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, Mercer County and Pennsylvania
Measure	Mercer County	Typical county	Statewide
Native species	772	763	1,854
Garden-ready natives	340	331	634
Tree	80	—	173
Shrub	51	—	117
Wildflower (forb)	423	—	972
Grass or grass-like	153	—	432
Vine	25	—	64
Fern	40	—	96

Neighboring counties

Counties that share a ZIP code with Mercer County.

Butler County, PA 365 garden-ready
Crawford County, PA 361 garden-ready
Lawrence County, PA 324 garden-ready
Venango County, PA 298 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: Mercer County (county FIPS 42085), Pennsylvania. 772 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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