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Is Purple loosestrife illegal in Pennsylvania?
Sources (6)
- 3 Pa.C.S. § 1519 Noxious weed list – Pennsylvania General Assembly
- PDA — Controlled Plant & Noxious Weed Lists (current additions) – Pennsylvania Department of Agriculture
- Pa. Bulletin, Doc. 21-2067 (Dec 11, 2021) — Callery pear added, Class B – Pennsylvania Code & Bulletin
- Pa. Bulletin, 52 Pa.B. 7000 (Nov 12, 2022) — burning bush and privets added – Pennsylvania Code & Bulletin
- Pa. Bulletin, 52 Pa.B. 3110 (May 28, 2022) — barberry enforcement date and exempt cultivars – Pennsylvania Code & Bulletin
- Pa. Bulletin, Doc. 21-1239 (Aug 2021) — Japanese barberry added, Class B – Pennsylvania Code & Bulletin
Also called: Lythrum salicaria. Last checked against official sources: 2026-10-14.
Federal noxious weed list (7 CFR 360.200): Purple loosestrife is not listed.
What Pennsylvania's official list says
| List / legal category | Listed as | List note | What it means |
|---|---|---|---|
| Class B noxious weed (3 Pa.C.S. § 1519) — per PDA, noxious weeds cannot be sold, transported, planted or otherwise propagated in Pennsylvania | Exotic Lythrum spp., incl. L. salicaria complex and L. virgatum, cultivars and hybrids | Purple loosestrife, European wand loosestrife | Yes — listed as prohibited |
Effective dates
- The official list entry does not state a separate effective date for this species. See the linked law for when the listing took effect.
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
- Cardinal flower (Lobelia cardinalis)
- Dense blazing star (Liatris spicata)
- Swamp milkweed (Asclepias incarnata)
- New York ironweed (Vernonia noveboracensis)
- Sweet Joe-Pye weed (Eutrochium purpureum)
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 →
Purple loosestrife in other states
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Idaho Illinois Louisiana Maine Massachusetts Michigan Minnesota Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oregon South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
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.