Japanese Knotweed (Fallopia japonica) on May 31, 2023
Submitter has sample EDRR Status: Local expert notified
Description of specimen
We have a couple of small patches coming up in our backyard
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
In our backyard
Expert Reviewer
Samuel Leininger Clackamas Soil and Water Conservation District 4-County Cooperative Weed Management Area Columbia Gorge Cooperative Weed Management Area