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Hamilton, NJ Invasive Plant Rules: Prohibited Species (2026)

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

Key Facts

Duty
Control spread of invasive plants
Listed species
Bamboo, ragweed, multiflora rose, kudzu
Also listed
Poison ivy or oak
Spread beyond property line
Separate violation
Adopted
9-17-2013, Ord. No. 13-030

Summary

Hamilton Township requires landowners to control invasive plants such as running bamboo, ragweed, multiflora rose, kudzu vine and poison ivy or oak, and makes it a violation to let them spread onto neighboring property. The rule sits inside the township's brush-and-weeds maintenance chapter.

(3) To control the growth of invasive plants. Failure to control the spread of such invasive plants beyond the boundaries of a resident's property is a violation of this article. ... For purposes of this article, the term "invasive plants" shall mean all native and nonnative vines and vegetation that grow out of place and are competitive, persistent and pernicious. These plants may damage trees, vegetation or structures. Examples include but are not limited to bamboo (spreading or running type), ragweed, multiflora rose, kudzu vine and poison ivy or oak.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4984352; v35 updated 2026-06-16; through 06-16-2026).

Full Breakdown

Hamilton Code § 362-1A(3) directs every owner, tenant or person in possession of land in the Township to control the growth of invasive plants, and specifically states that failing to control the spread of invasive plants beyond the boundaries of a resident's property is itself a violation of the article. Subsection B defines "invasive plants" broadly, as all native and nonnative vines and vegetation that grow out of place and are competitive, persistent and pernicious, capable of damaging trees, other vegetation or structures; the Code lists bamboo of the spreading or running type, ragweed, multiflora rose, kudzu vine, and poison ivy or oak as examples, while noting the list is not exhaustive.

This sits inside the same Article I, Brush, Weeds and Trash, that gives Hamilton's enforcement officer authority under § 362-2 to order an owner to remove invasive plants and other overgrowth within 10 business days after written notice, or to have the Department of Public Works remove it and certify the cost as a tax lien under §§ 362-3 and 362-4. The provision was adopted whole on September 17, 2013 by Ordinance No. 13-030, replacing the former brush-and-weeds article from the Township's 1994 Code.

Violations & Fines

Letting a listed invasive plant spread past a property line is a violation of Chapter 362, Article I in its own right under § 362-1A(3), independent of any general overgrowth violation. The enforcement officer can order removal within 10 business days under § 362-2, and noncompliance leads to a summons plus Township-performed abatement billed as a lien under § 362-4, on top of penalties under Chapter 1, § 1-2 of the Code.

Frequently Asked Questions

What plants does Hamilton Township classify as invasive?
Section 362-1B defines invasive plants as native or nonnative vines and vegetation that grow out of place and are competitive, persistent and pernicious, and names bamboo (spreading or running type), ragweed, multiflora rose, kudzu vine, and poison ivy or oak as examples.
Can I be cited if invasive plants spread from my Hamilton Township property to my neighbor's?
Yes. Section 362-1A(3) makes it a violation to fail to control the spread of invasive plants beyond your property's boundaries, separate from the general duty to keep land free of overgrowth.
Who enforces Hamilton Township's invasive plant rule?
The Township's enforcement officer can order an owner or tenant to remove invasive plants within 10 business days of written notice under §§ 362-2 and 362-3, and the Department of Public Works can perform the removal and bill it as a tax lien under § 362-4 if the order is ignored.

Sources & Official References

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