Submitter does not have a specimen EDRR Status: Local expert notified
One clump near tall Oregon grape
Oregon State University's Solve Pest Problems page has some great information about how to get rid of knotweeds Solve Pest Problems
Information on identifying and controlling Bohemian Knotweed from the Washington State Noxious Weed Board
This is a tricky weed to manage. Consider reaching out to your local Soil & Water Conservation District for technical advice.
Just SW of the curve in Dieckman Lane
Sarah Hamilton Marion Soil & Water Conservation District
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