Land Plants - invasive

Knotweed (species unknown) (Fallopia spp.) on Aug 12, 2017

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

Description of specimen

See photos

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

Open grassy field between
Varns and hunziker streets. My wife an
D I walked the
Field and there were at least 10 patches of Japanese knotweed. One is very large and others smaller.
Our address is 7745 SW Varns st.
Tigard 97223 you can Enter the field from our house if you wish. Yesterday I reported that we had one patch. Now it's 10 or more.

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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