The King County Noxious Weed Control Program is part of a larger community fighting to control invasive plants, including local, county, state, regional, national and international groups or agencies. Please explore these links to learn more about invasive species control locally and globally.

King County

• King County Stewardship Volunteer Events
• King Conservation District

Washington State

• Washington State Noxious Weed Control Board
• Washington Invasive Species Council
• Washington State Department of Agriculture
• Dept. of Natural Resources-Natural Heritage Program
• Dept. of Ecology Water Quality Program
• Washington State Department of Natural Resources
• Municipal Research and Services Center of Washington

Cities

• Green Kirkland Partnership
• Green Redmond Partnership
• Seattle Weeds and Overgrown Vegetation
• Green Seattle Partnership
• Green Snoqualmie Partnership

Other counties in Washington

• Asotin
• Chelan
• Clallam
• Clark
• Cowlitz
• Grays Harbor
• Island
• Jefferson
• Kitsap
• Kittitas 
• Mason
• Okanogan
• Pierce 
• San Juan
• Snohomish
• Stevens
• Thurston
• Whatcom

Other states

• No Ivy League - Portland, Oregon
• Oregon Noxious Weed Program 
• Idaho Noxious Weed List Virtual Field Guide
• Colorado Department of Agriculture Noxious Weed Program
• Ohio Perennial and Biennial Weed Guide

Federal

• USDA-APHIS Noxious Weeds Program
• USDA National Invasive Species Information Center
• US Department of Agriculture
• US Fish and Wildlife Service

International

• Weeds in Australia
• Field Guide to Noxious and Other Selected Weeds of British Columbia
• Invasive Species Council of British Columbia Invasive Plant Guide
• Manitoba Purple Loosestrife Project
• Great Britain Non-Native Species Identification Sheets

Universities

• WSU Extension
• University of Washington Herbarium
• Marion Ownbey Herbarium WSU
• University of Washington Botanic Gardens
• University of California Davis Weed Science
• Cornell University Poisonous Plants
• University of Florida UF/IFAS Center for Aquatic and Invasive Plants
• University of Idaho Extension
• Colorado State University Extension-Adams County

Non-profit organizations

• EDDMapS (Early Detection & Distribution Mapping System)
• iMap Invasive Species Identification Guides
• Pacific Northwest Invasive Plant Council (PNW-IPC)
• National Integrated Pest Management Network
• Washington Native Plant Society
• Alaska Invasive Species Partnership
• California Invasive Plant Council
• Weed Science Society of America
• The Nature Conservancy Invasive Plant Documents and Photographs
• Ducks Unlimited
• San Francisco Estuary Invasive Spartina Project

Related information

• Agriculture in King County, Washington
• Northwest yard and garden
• Animals, plants and habitat

Related agencies

• Dept. of Natural Resources and Parks
• Water and Land Resources Division

Languages

Find information on noxious weed identification and control in multiple languages:

• Español (Spanish)
• Tiếng Việt (Vietnamese)
• 中文: 简体版 (Simplified Chinese)
• Af-Soomaali (Somali)
• русский язык (Russian)

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).