Invasive Species

Working to keep aggressive non-natives in check:

Some invasive non-native plants can quickly spread out of control, displacing native vegetation and endangering entire ecosystems. Japanese knotweed, Scotch and French brooms, English ivy, and Star Thistle  pose the greatest threats to the Mattole, and are the focus of most removal projects.

Japanese knotweed can take over entire stream banks, and has appeared at 7 sites along the lower Mattole River. The Council aims to eradicate it entirely. Scotch broom blankets pastures and reduces their value for grazing.

Japanese Knotweed
Japanese Knotweed.
If you see this anywhere in the Mattole, please call us immediately!


Community Services:
If any of these species appear on your land, please contact us! We offer free consultations, weed wrenches, and opportunities to cut the cost of invasive removal.

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Japanese Knotweed153.34 KB
Scotch Broom plan removal186.56 KB