Land Plants - invasive

Knotweed (unknown species) (Fallopia sp.) on Nov 14, 2021

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

Description of specimen

Lots of knotweed. Too close to river. Should be priority for land managers and the property owner.

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

Dozens of large knotweed patches throughout the property. The close proximity to the Willamette River and accessibility to treatment options should make this a relatively easy job. Oregon State Weed Board grants are offered annually.

The property is owned by Wildish Industrial Dev Corp.

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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