Land Plants - invasive

Knotweed (species unknown) (Fallopia spp.) on Sep 24, 2019

Originally reported as Japanese Knotweed (Fallopia japonica)

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

Description of specimen

Large patch of japanese knotweed

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

Large patch of Japanese Knotweed outside of the school fence.

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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