Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Oct 5, 2021

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

Description of specimen

Small Japanese Knotweed plant, in flower. It's tucked behind a dog rose.

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

Top of the river bank, next to the southwest corner of the bridge between the north and south parking lots at Milwaukie Bay Park.

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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