Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jun 22, 2024

Submitter does not have a specimen

Description of specimen

On the north bank of Schooner Creek on Weyerhaeuser property
Lat/Lon = 44.94823, -123.92687
Easily seen from Schooner Creek Road 0.07 miles up creek from the Schooner Creek road 6-mile post marker

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

On the north bank of Schooner Creek on Weyerhaeuser property
Lat/Lon = 44.94823, -123.92687
Easily seen from Schooner Creek Road 0.07 miles up creek from the Schooner Creek road 6-mile post marker

Expert Reviewer

Jacob Rose
Institute for Natural Resources

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