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Monroe Township (Middlesex County), NJ Landscaping Rules: Weed Ordinances (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified October 2026

Key Facts

Maximum plant growth
10 inches on all lots
Noxious weeds
Prohibited
Weeds defined as
All grasses, annual plants and vegetation other than trees or shrubs
Exclusions
Cultivated flowers and gardens; primarily agricultural property
Maximum penalty
$500 fine, 90 days imprisonment, or both
Enforcer
Zoning Officer of the Township of Monroe

Summary

In Monroe Township, Middlesex County, all lots must be kept free from weeds or other plant growth in excess of 10 inches, and noxious weeds are prohibited. Weeds mean grasses, annual plants and vegetation other than trees or shrubs. Cultivated flowers and gardens and primarily agricultural property are outside the rule.

§ 63-29. Weeds. All lots shall be maintained free from weeds or other plant growth in excess of 10 inches. All noxious weeds shall be prohibited. Weeds are defined as all grasses, annual plants and vegetation other than trees or shrubs; provided, however, that this term shall not include cultivated flowers and gardens. The provisions of this section shall not apply to property primarily used for agricultural purposes.

Full Breakdown

Section 63-29 of the Monroe Township Code, Weeds, sets a single numeric standard: all lots shall be maintained free from weeds or other plant growth in excess of 10 inches. The next sentence adds that all noxious weeds shall be prohibited. The rule applies to all lots, so it reaches improved and vacant parcels alike within the Township.

The code defines weeds broadly as all grasses, annual plants and vegetation other than trees or shrubs. That definition means a lawn left to grow past 10 inches counts, because grass is named, while trees and shrubs do not. Two exclusions are printed in the section: the term does not include cultivated flowers and gardens, and the provisions of the section do not apply to property primarily used for agricultural purposes.

The section belongs to Article II of Chapter 63, the Monroe Township Property Maintenance Code. Section 63-19 states that the article sets the minimum conditions for maintenance of exterior property, premises and structures, and § 63-20 makes any owner of exterior property, premises or structures responsible for maintaining them in compliance. Section 63-21 adds a separate duty on owners of vacant land to keep it clean, safe, secure and sanitary.

The Zoning Officer of the Township of Monroe is empowered by § 63-34 to enforce the code, and the Zoning Officer or any duly authorized law enforcement officer can sign a complaint in the Municipal Court of Monroe Township.

Violations & Fines

Section 63-35 provides that upon conviction for a violation of Article II the maximum penalty is a fine not exceeding $500, or imprisonment for a period not exceeding 90 days, or both. Except as otherwise provided, each and every day in which a violation exists is a separate violation, so an uncut lot is charged for every day it stays over the limit.

Frequently Asked Questions

How tall can grass be in Monroe Township, Middlesex County?
Section 63-29 requires all lots to be free from weeds or other plant growth in excess of 10 inches. Weeds are defined to include all grasses, so lawn grass past 10 inches is a violation, while trees and shrubs are not counted as weeds.
Are flower beds and vegetable gardens covered by the weed rule?
No. Section 63-29 states that the term weeds does not include cultivated flowers and gardens. The section also does not apply to property primarily used for agricultural purposes.
Who is responsible for cutting the weeds?
Section 63-20 makes any owner of exterior property, premises or structures responsible for maintaining them in compliance with Article II. The owner is the party the Township looks to, and the Zoning Officer enforces the rule under § 63-34.
What happens if a lot stays overgrown?
The Zoning Officer or an authorized law enforcement officer can sign a complaint in the Municipal Court of Monroe Township. Under § 63-35, conviction carries a fine not exceeding $500, imprisonment not exceeding 90 days, or both, and each day is a separate violation.

Sources & Official References

Other rules in Monroe Township (Middlesex County)

All Monroe Township (Middlesex County) rules

How Monroe Township (Middlesex County) compares: Cities with the Strictest Weed and Property Maintenance Rules·Compare Monroe Township (Middlesex County) to another location·View the New Jersey landscaping rules overview

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