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Invasive Plant Rules

Pittsburgh's Invasive Plant Rules: The Rules That Matter

By CityRuleLookup Editorial Team

Every city handles invasive plant rules a little differently. In Pittsburgh, Pennsylvania, there are 2 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.

Prohibited Species

Pittsburgh bans DCNR-listed invasive plant species from registered Managed Natural Landscapes citywide, and the city can order violators to cut and destroy prohibited growth under its weeds-and-grass ordinance.

Key details: Effective date: January 1, 2026. Governing section: Pittsburgh Code § 609.08(d). Applies to: Registered Managed Natural Landscapes only. Invasive list source: PA DCNR Invasive Plants List. Enforcement: Cut-and-destroy order plus PMC penalty.

Violating the Managed Natural Landscape standards can bring a cut-and-destroy order plus penalties under Property Maintenance Code § 106.3 (Chapter 1004), enforced by the department handling residential overgrowth complaints.

Front Yard Gardens

Pittsburgh allows front-yard native, rain, and pollinator gardens under Code § 609.08, but registration is required and invasive or state-noxious plant species are banned from any managed natural landscape.

Key details: Effective date: January 1, 2026. Border requirement: Border: mowed edge or fence ≤4 ft. Invasive plants: Banned from managed natural landscapes. Registration: Required with the City; fee allowed. Governing law: Pittsburgh Code § 609.08.

An unregistered or noncompliant landscape harboring vermin can draw a violation notice; ignoring it brings penalties under Property Maintenance Code § 106.3 (Chapter 1004), separate from the routine $15 weed fine.

This is one of the stricter rules in Pittsburgh's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

The Bottom Line

Pittsburgh's invasive plant rules rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Pittsburgh is broadly strict or permissive.

This guide is based on Pittsburgh's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.