Knotweed (species unknown) (Fallopia spp.) on Jul 20, 2023
Submitter does not have a specimen
Description of specimen
One shrub but on the edge of the natural area on the northern/western edge. No need to respond.
Commentary
None
Remedy
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.
Location
I noticed knotweed here a week or two ago. When I went back today to confirm an exact location, it wasn't open yet. It was somewhere along the northern and western edge I think.