Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jun 19, 2022

Submitter does not have a specimen
EDRR Status: Local expert notified

Description of specimen

At least two significant clumps of JK in forested area described above.

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 forested area parallel to Clackamas County rock storage yard and a creek and wetlands area in the Barlow Wayside Park.

45.38597 -122.02930

Expert Reviewer

Samuel Leininger
Clackamas Soil and Water Conservation District
4-County Cooperative Weed Management Area
Columbia Gorge Cooperative Weed Management Area

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