Submitter does not have a specimen EDRR Status: Local expert notified
Not a big population - maybe 25 stems medium height.
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.
Noticed while walking on the street. It is within 15 feet of the street in a front/side yard.
Jacob Rose Institute for Natural Resources
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