Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jun 23, 2013

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

Description of specimen

large clump next to a smaller clump

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 an island in the Willamette River north of Green Island, the red marker is placed very precisely.

Expert Reviewer

Mr. Vern Holm
Director, Oregon Vegetation Management Association

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