To offer a suggestion or report an error on the King County Noxious Weeds Web site, please contact Sasha Shaw, education specialist.

King County, Washington Noxious Weed Identification and Control

Report a weed form

Use this form to report noxious weed infestations in King County and help us prioritize our weed control efforts. Please feel free to let us know if you can't identify the plant but are concerned that it could be a noxious weed infestation. Possible infestation locations might include gardens, pasture areas, in and around lakes and ponds, by rivers, along roads, and in parks or open space lands in your neighborhood. For help in filling out the form, click on the question marks to get weed identification help and interactive maps.

Enter report here

The Weed and Location fields are required.

Please fill in your name and contact information in case we need more specific directions, or if you would like a follow-up on what we found. This information will not be shared with anyone if you would prefer to remain anonymous.


Yes
No


Yes
No


Weed identification photos and descriptions


Sending photos

If you would like to submit a photo of the weed or location, please email the noxious weed program, attach the photo file and reference your weed report.  If the photo is not digital, you can mail it to:  King County Noxious Weed Program, 201 S. Jackson St., Suite 600, Seattle WA 98104.  Please include a note that this is for a weed infestation report along with the weed site information.

Related information

Related 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.