Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Sep 21, 2017

Submitter does not have a specimen
EDRR Status: Population treated

Description of specimen

Knotweed

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

I found a patch of Knotweed in the Water Quality Facility at 2806 19th Ave. in Forest Grove. It's on the south end of the property and has spread to 2828 19th Ave. and 2825 18th Ave. where the 3 properties meet.

Expert Reviewer

Tyler Pedersen
Tualatin Soil and Water Conservation District

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