Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Apr 21, 2016

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

Description of specimen

Multiple patches, had been excavated previously with no success.

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

in the Lane County right of way headed upriver mostly on the right hand with one patch on the left, looks like the mowing of the right of way is spreading the patches. Last patch is near a driveway across from the Vaughn Creek County Park.

Expert Reviewer

Tania Siemens
WISE Program Coordinator (Watershed and Invasive Species Education)
Oregon Sea Grant Extension
Oregon State University
tania.siemens@oregonstate.edu
541-914-0701

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