Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Sep 4, 2023

Submitter has sample
EDRR Status: Local expert notified

Description of specimen

Just as described in your Clackamas Soil conservation and water district September 2023 Invasive Weed of the month and identified as such by Antonya Pickard during a backyard habitat initial visit

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

on the south side of my home (#51) on the bank leading towards the fence that separates the business behind me from Concord Terrace Mobile home 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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