Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jan 18, 2019

Submitter does not have a specimen

Description of specimen

Japanese Knotweed (Fallopia japonica)

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

Large Patch of Japanese Knotweed (Fallopia japonica) that runs the northern bank of Roaring river. Has been spreading over the past few years. Upstream from Larwood Park.

Expert Reviewer

Mrs. Lindsey Wise
Oregon Biodiversity Information Center, inr.oregonstate.edu/orbic
Oregon iMapInvasives
Institute for Natural Resources
Portland State University

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