Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Sep 16, 2022

Submitter has sample
EDRR Status: Local expert notified

Description of specimen

A description of the plant? It is all along Deep Creek in the Big Valley Woods manufactured home site. It is blooming now.

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

All up and down Deep Creek, in Big Valley Woods, also crossing the creek into resident area.

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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