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kudzu plant w/flowers
This extremely aggressive and invasive Class A noxious weed has not yet established in Washington State and eradication is required. This species is also on the Washington quarantine list (known as the prohibited plants list) and it is prohibited to transport, buy, sell, offer for sale, or to distribute plants or plant parts, seeds in packets, blends or "wildflower mixes" of this species, into or within the state of Washington. For more information on noxious weed regulations, see Noxious weed lists and laws.

Additional information on kudzu

What to do if you find this plant in King County, Washington

Please notify us if you see kudzu growing in King County. Our program staff can provide the property owner or appropriate public agency with site-specific advice on how best to remove it. Also, because kudzu is not established in King County, we have an opportunity to stop it from spreading if we act quickly. We map all known locations of regulated noxious weeds such as kudzu in order to help us and others locate new infestations in time to control them.

Kudzu impacts

kudzu impact - click for larger image

Report kudzu in King County, Washington

Locate kudzu in King County, Washington

Related information

Related agencies


Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333).