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Is Kudzu illegal in Washington?

Yes. Kudzu is on Washington's prohibited plant list.Yes — listed as prohibited: On an official state list that prohibits sale and/or distribution (exact wording below).
Sources (6)

Also called: Pueraria montana. Last checked against official sources: 2026-10-14.

Federal noxious weed list (7 CFR 360.200): Kudzu is not listed.

What Washington's official list says

List / legal categoryListed asList noteWhat it means
Quarantined (WAC 16-752-610) — no transport, buying, selling or distributing plants, plant parts or seedsPueraria montana var. lobatakudzuYes — listed as prohibited
Class A noxious weed, control list (WAC 16-750-005) — eradication required; not a sale banPueraria montana var. lobatakudzuNot a sale ban — control-only list

Effective dates

Already have it in your yard?

Most state invasive-plant laws, including the list wording above, target selling, distributing, propagating or planting. They generally do not order you to remove a plant already in your yard, but some noxious-weed laws do require control. Read the linked law or ask your county Extension office.

Native alternatives for Washington

Each is recorded as native to Washington in the USDA NRCS PLANTS Database state distribution (retrieved 2026-10-14). Check size, sun and soil fit for your site with your local Extension office.

Kudzu in other states

Connecticut Florida Illinois Kansas Kentucky Massachusetts Mississippi Missouri New Hampshire New York Ohio Oregon Pennsylvania Texas Vermont Virginia West Virginia Wisconsin

See every plant on Washington's invasive & noxious plant lists, or check any plant.

Not legal advice. PlantLegit summarizes official lists and links the source. Laws change, local (county/city) rules may add restrictions, and the official text controls. "What it means" is our plain-English label; read the exact list wording. Confirm with the agency before buying, selling or removing plants. Full disclaimer.