King County Noxious Weed Control Board
2007 Annual Report
This report summarizes the activities and performance results of the Noxious Weed Control Program of King County as directed by the King County Noxious Weed Control Board. Tables and charts describe the current distribution and status of Class A and B noxious weeds in King County. You can download the report in sections using the links below.

Please note that these files are in Adobe Acrobat format, so you'll need the Acrobat Viewer to read them. Some files may take several minutes to download.

• 2007 Annual Report
• Featured Weed Reports
  • Giant Hogweed in King County
  • Tansy Ragwort in King County
  • Spotted Knapweed in King County
  • Purple Loosestrife in King County
• Program Performance Indicators Table
  • Class A and B Weeds - Summary Table
• Education Activities Table
• Noxious Weeds by King County Council District
• Control Methods Used
• Noxious Weed Trends in King County
  • Noxious Weed Infested Area
  • Noxious Weed Control
  • Top Weeds Found
    • Chart of Top 10 Weeds Over Time
    • Table of Top 20 Weeds Over Time
  • New Infestations Found
    • Chart of New Infestations for Top 10 Weeds
    • Table of New Infestations for Top 20 Weeds
  • Number of Infestations by Weed since 1996
• 2007 Noxious Weed List

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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 email.