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Spartina anglica (common cordgrass) - photo source http://commons.wikimedia.org/wiki/Image:Spartina_anglica.ashx
This Class A noxious weed is found in several counties in Washington State including Skagit and Snohomish County. It has been found on Vashon Island in King County but that population appears to have been eradicated. Control is required in King County. For more information on noxious weed regulations and definitions, see Noxious weed lists and laws.

Additional information on common cordgrass

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

Please notify us if you see common cordgrass 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 common cordgrass 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 common cordgrass in order to help us and others locate new infestations in time to control them.

Common cordgrass (Spartina anglica) stem closeup

Report common cordgrass in King County, Washington

Locate common cordgrass 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).