Meadow knapweed, Centaurea debeauxii thuillieri - Pest Tracker

King County Washington.gov

Meadow knapweed
Centaurea debeauxii thuillieri

Meadow knapweed (Centaurea debeauxii thuillieri) is an invasive plant. It was first detected in Washington in 1984.

Meadow knapweed spreads very rapidly and is listed as a noxious weed.

News

09/27/2018 - The Weed Warrior: Knapweed and blueweed don’t need no herbicide

03/01/2018 - Invasive plants will be target of Old Town Hill work

08/14/2017 - Climate change may encourage invasive species, scientist warns

03/31/2014 - Introduced flies create complex interactions that increase imp...

Meadow Knapweed, Washington State DNR