Submitter has sample
EDRR Status: Local expert notified
I think there were three plants.
See this site for tips on how to control knotweed:
* Controlling Knotweed in the Pacific Northwest
Want to join forces with your community to fight invasives? There are lots of people involved in this effort already! The links below can connect you with opportunities:
Western Invasives Network
Association of Conservation Districts
The Nature Conservancy of Oregon
The plants are outside of the fence of the Road maintenance yard on Barlow trail. Also there is one in my backyard that I have pulled out but keeps sprouting up.
Samuel Leininger Clackamas Soil and Water Conservation District4-County Cooperative Weed Management AreaColumbia Gorge Cooperative Weed Management AreaPacific Northwest Invasive Plants Council
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