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Bill

Bill

HB 35

Local Government - Regulatory Powers - Regulation of Invasive Trees

2026 Regular Session Introduced by Nick Allen and 10 co-sponsors

Allows Maryland local governments to regulate or ban planting and growing of invasive Tree of Heaven through local ordinances.

Approved by the Governor - Chapter 210
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Bill Summary · HB 35

Legislative bill overview

HB 35 would authorize Maryland local governments to regulate or prohibit the planting, cultivation, and propagation of Tree of Heaven (Ailanthus altissima), an invasive species. The bill grants municipalities and counties the power to establish their own restrictions on this tree through local ordinances, rather than relying solely on state-level regulation.

Why is this important

Tree of Heaven is a highly invasive species that spreads rapidly, damages infrastructure, outcompetes native plants, and is difficult to control once established. By allowing local governments to regulate it, the bill enables communities to address invasive species problems tailored to their specific environments and priorities, potentially preventing ecological and economic damage at the local level.

Potential points of contention

  • Property rights concerns: Homeowners with existing Tree of Heaven plantings could face restrictions on their trees, raising questions about grandfather clauses and compensation for required removal
  • Enforcement burden: Local governments may lack resources to monitor compliance and enforce tree regulations, creating questions about practical implementation
  • Scope and definitions: The bill's language regarding what constitutes prohibited "cultivation" or "propagation" could be ambiguous, potentially creating unintended consequences for landscaping businesses or agricultural operations

Compiled from official sources — confirm details with the bill’s official record.

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