To offer a suggestion or report an error on the King County Noxious Weeds Web site, please contact Sasha Shaw, education specialist.
Vochin Knapweed Centaurea nigrescens
This Class A noxious weed has a very limited distribution in Washington State; the only known site is in Pend Oreille County. Eradication of this knapweed is required throughout Washington State, including in King County.
This is one of several knapweed (Centaurea) species on our noxious weed list. The knapweeds are distinguished from each other by the bracts beneath the flower heads. The bracts of Vochin knapweed are long and slender with dark brown fringe tips.
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.
This Class A noxious weed has a very limited distribution in Washington State; the only known site is in Pend Oreille County. Eradication of this knapweed is required throughout Washington State, including in King County.