Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Aug 28, 2021

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

Description of specimen

SEE ABOVE

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

residential area near Sleepy Hollow rd. Includes areas near Mill cr.

59170 SE Chalet Place on the side of property with Sleepy Hollow

58741 SE Sleepy Hollow Road Large outbreak

59030 SE Chalet Pl I only have a few sprouts and pull it periodically and dispose of it safely when I notice it has grown again.

ALSO -Behind Les Schwab in Sandy

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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