Submitter has sample EDRR Status: Local expert notified
Tall tubes growing straight up.
Oregon State University's Solve Pest Problems page has some great information about how to get rid of knotweeds Solve Pest Problems
This is a tricky weed to manage. Consider reaching out to your local Soil & Water Conservation District for technical advice.
Northwest corner of property coming from the neighbor’s property on west side of the fence. It’s coming in between our fence and corner deck.
Mr. Mitch Bixby City of Portland - Bureau of Environmental Services (BES)
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