Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Apr 20, 2020

Submitter has sample
EDRR Status: Local expert notified

Description of specimen

Young shoots of knotweed, not terribly extensive but ready to take off, I'm sure.

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

Japanese knotweed found at Hileman Park (Lane County). It appears to be just starting as we've seen this on our hikes here before (30+ years). At the end of Hileman Lane in north Santa Clara (Eugene), through the locked gate, along the road to the north end of the pond between the road and pond.

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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