Native plants · State

Native plants of Pennsylvania

1,854 species are recorded as native to Pennsylvania in Kew’s World Checklist of Vascular Plants and USDA PLANTS and recorded in the state by USDA PLANTS, 634 of them with growing traits. County lists cover 67 of the state’s 67 counties; the typical county has 763.

State summary · USDA PLANTS and Kew WCVP

Pennsylvania at a glance

Native species statewide
1,854 Of 2,211 species Kew’s World Checklist records as native to Pennsylvania (before this site’s scope)
Garden-ready natives
634 With PLANTS growing records
Typical county
763 Median native species per county; 331 garden-ready
Share by type (all 1,854 native species)
Percent of the 1,854 native species in each growth type
Tree 9% (173)
Shrub 6% (117)
Wildflower (forb) 52% (972)
Grass or grass-like 23% (432)
Vine 3% (64)
Fern 5% (96)

Wildflowers: 972 · grasses and grass-like: 432 · trees: 173 · shrubs: 117 · vines: 64 · ferns: 96.

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.

Native plants by county

67 Pennsylvania counties with PLANTS county records
CountyNative speciesGarden-readyHardiness zones
Adams County 651 282 6b–7a
Allegheny County 997 402 6b–7a
Armstrong County 699 287 6a–6b
Beaver County 823 349 6b
Bedford County 1,134 432 6b–7a
Berks County 1,131 437 6b–7a
Blair County 931 381 6b
Bradford County 672 300 6a
Bucks County 1,221 469 6b–7b
Butler County 874 365 6a–6b
Cambria County 666 291 6a–6b
Cameron County 530 235 5b–6a
Carbon County 744 303 6a–7a
Centre County 994 389 6a–6b
Chester County 1,102 436 7a
Clarion County 576 258 6a
Clearfield County 731 320 6a
Clinton County 744 331 6a–6b
Columbia County 594 251 6a–6b
Crawford County 826 361 6a
Cumberland County 760 325 7a
Dauphin County 965 391 6b–7a
Delaware County 1,026 409 7a–8a
Elk County 641 276 5b–6a
Erie County 1,052 436 6a–7a
Fayette County 867 342 6a–7a
Forest County 624 294 6a
Franklin County 901 361 6b–7b
Fulton County 750 301 6b–7a
Greene County 610 251 6a–7a
Huntingdon County 995 395 6b–7a
Indiana County 634 263 6a–6b
Jefferson County 565 256 6a
Juniata County 612 285 6b–7a
Lackawanna County 849 346 6a–7a
Lancaster County 1,189 446 7a
Lawrence County 763 324 6a–6b
Lebanon County 760 310 7a
Lehigh County 1,100 430 6b–7a
Luzerne County 956 381 6a–7a
Lycoming County 790 343 6a–6b
McKean County 600 281 5b
Mercer County 772 340 6a
Mifflin County 560 265 6b–7a
Monroe County 1,022 398 6a–6b
Montgomery County 1,081 428 7a–7b
Montour County 433 202 6b
Northampton County 1,170 448 6b–7a
Northumberland County 705 307 6b
Perry County 693 292 6b–7a
Philadelphia County 1,091 441 7b
Pike County 886 356 6a–6b
Potter County 502 237 5b
Schuylkill County 801 337 6b–7a
Snyder County 595 267 6b
Somerset County 843 346 5b–6b
Sullivan County 651 271 6a
Susquehanna County 664 285 5b–6a
Tioga County 601 262 5b–6a
Union County 595 276 6b
Venango County 703 298 6a
Warren County 805 346 5b–6a
Washington County 626 270 6a–6b
Wayne County 824 343 5b–6a
Westmoreland County 911 372 6a–6b
Wyoming County 710 288 6a–6b
York County 835 341 6b–7a

Garden-ready natives of Pennsylvania

Statewide list. A species native somewhere in Pennsylvania may not be native in your county: use the county lists above to narrow it.

Tree 137

Shrub 69

Wildflower (forb) 209

Grass or grass-like 190

Vine 18

Fern 11

Also listed as native and introduced here 5

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
  • wood bluegrassPoa nemoralis

Look up a Pennsylvania 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
Pennsylvania: 1,854 native species in this site’s scope; county lists for 67 counties.
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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