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King County, Washington Noxious Weed Identification and Control

Weed Identification Help 

Are you concerned about that mystery plant growing in your pasture? Or wonder if that new garden flower taking over your backyard or your pond is a noxious weed?

We offer several ways to help you identify plants:

  • Browse our weed photo index to see if your weed is there
  • Send quality digital pictures by email
  • Mail us a plant (in a sealed plastic bag with a DRY paper towel, including information to contact you)

King County Noxious Weed Program
201 S. Jackson St., Suite 600
Seattle WA 98104 

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

Related Information:

Agencies

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