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Pennsylvania Statewide Rule

Pennsylvania Noxious Weed Control Law Statewide

Some RestrictionsApplies statewide across Pennsylvania (2026)

Key Facts

Statute
Act 46 of 2017
Code
7 Pa. Code Ch. 110
Enforcement
PA Department of Agriculture
Coverage
All Pennsylvania property
Last verified: August 20, 2026Source: Commonwealth of Pennsylvania

Summary

The Pennsylvania Controlled Plant and Noxious Weed Act requires all property owners statewide to control designated noxious weeds, preempting any conflicting local exemptions.

A person subject to a control order issued under section 1517 (relating to control orders) shall comply with the control order within the time frame specified in the control order or, if appealed, the time frame established in the final adjudication of the secretary. The cost of the treatment measures shall be borne by the person subject to the control order.

Source: Commonwealth of PennsylvaniaView official code

Full Breakdown

Act 46 of 2017 (Controlled Plant and Noxious Weed Act) and its regulations at 7 Pa. Code Chapter 110 designate noxious weeds like Japanese knotweed, mile-a-minute, and giant hogweed. All landowners must control or eradicate listed plants. The Department of Agriculture enforces statewide and can issue compliance orders. Local governments cannot exempt properties from these baseline state duties.

Violations & Penalties

Failure to control noxious weeds can result in PDA-issued abatement orders; civil penalties up to $500 per violation, with state-conducted control billed to property owner.

Frequently Asked Questions

What plants are noxious weeds in Pennsylvania?
Designated species include Japanese knotweed, giant hogweed, mile-a-minute vine, kudzu, palmer amaranth, and others listed in 7 Pa. Code Chapter 110 by the Department of Agriculture.
Can my township ignore noxious weed rules?
No. The Controlled Plant and Noxious Weed Act applies to all properties statewide. Municipalities cannot waive the duty, though they may impose stricter local weed ordinances.

Sources

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