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King County, Washington Noxious Weed Identification and Control

Learn about Noxious Weeds

Get Help and Participate

Learn about the Noxious Weed Program

The King County Noxious Weed Control Board carries out the mandates of the state weed control law, Chapter 17.10 RCW. The King County Noxious Weed Control Program works throughout the county to prevent and reduce the economic, environmental and social impacts of noxious weeds in King County. The program's focus is to provide education and technical assistance to landowners and public agencies to help them find the best control options for noxious weeds on each site and to reduce the overall impact of noxious weeds throughout the county.

  • Noxious Weed Control Board  - information on the county weed board, meeting schedule
  • Program Information - explaining who we are, what we do and frequently asked questions
  • Annual Report - program performance and noxious weed trends in King County
  • Links - to county, state, federal and to other invasive plant information

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact a member of the King County Noxious Weed Control Program, or to report a weed site, please call 206-296-0290 or reach them by e-mail.

News and Features

Weed of the Month Garlic Mustard - click for KC Weed NewsKC Weed News - Weed of the Month, updates on noxious weeds in King County, Washington

June 17, 2008
King County working with landowners, agencies to protect river banks from invasive knotweed

May 2, 2008
Hunt is on for noxious weeds in King County

Jan 4, 2008
King County Noxious Weed Board meets Jan. 16 to discuss weed control list

More Weed News . . .

Frequently Asked Questions

Related Information:

Agencies