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Is Glossy buckthorn illegal in Pennsylvania?

Yes. Glossy buckthorn is on Pennsylvania's prohibited plant list.Yes — listed as prohibited: On an official state list that prohibits sale and/or distribution (exact wording below).
Sources (6)

Also called: Frangula alnus (Rhamnus frangula), incl. Fine Line. Last checked against official sources: 2026-10-14.

Federal noxious weed list (7 CFR 360.200): Glossy buckthorn is not listed.

What Pennsylvania's official list says

List / legal categoryListed asList noteWhat it means
Class B noxious weed (PDA Controlled Plant & Noxious Weed List, 3 Pa.C.S. § 1511) — cannot be sold, transported, planted or otherwise propagated in PennsylvaniaRhamnus frangula [syn. Frangula alnus]Glossy buckthorn ('Fine Line' approved exempt variety)Yes — listed as prohibited

Effective dates

Exempt cultivars in Pennsylvania

Source: Controlled plant noxious weed lists – Pennsylvania Department of Agriculture

Already have it in your yard?

Most state invasive-plant laws, including the list wording above, target selling, distributing, propagating or planting. They generally do not order you to remove a plant already in your yard, but some noxious-weed laws do require control. Read the linked law or ask your county Extension office.

Native alternatives for Pennsylvania

Each is recorded as native to Pennsylvania in the USDA NRCS PLANTS Database state distribution (retrieved 2026-10-14). Check size, sun and soil fit for your site with your local Extension office.

More native swaps with hardiness, light and size →

Glossy buckthorn in other states

Connecticut Illinois Indiana Iowa Maine Massachusetts Michigan Minnesota New Hampshire New York Vermont Wisconsin

See every plant on Pennsylvania's invasive & noxious plant lists, or check any plant.

Not legal advice. PlantLegit summarizes official lists and links the source. Laws change, local (county/city) rules may add restrictions, and the official text controls. "What it means" is our plain-English label; read the exact list wording. Confirm with the agency before buying, selling or removing plants. Full disclaimer.