Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jun 8, 2019

Submitter has sample
EDRR Status: Local expert notified

Description of specimen

I think there were three plants.

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

The plants are outside of the fence of the Road maintenance yard on Barlow trail. Also there is one in my backyard that I have pulled out but keeps sprouting up.

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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