Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jun 26, 2020

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

Description of specimen

Japanese Knotweed re- growth at site treated in the past.

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

Immediately downstream of the Faraday re-regulating project. River right- an area that has been treated for Japanese Knotweed likely many times before.,

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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