Another invasive plant threatens Minn. landscape

DULUTH, Minn. (AP) — Another invasive plant is threatening to overwhelm native species is northern Minnesota, and it looks like bamboo.

It’s called Japanese knotweed. The plant is a member of the buckwheat family, but its cane-like stems, which can reach 10 feet tall and higher, make it look and feel like real bamboo.

The Duluth News Tribune reports (http://bit.ly/15ixCdB ) that Japanese knotweed recently has been found growing in backyards and wooded parks in Duluth. It was imported to the U.S. from Asia in the 1800s as ornamental shrubbery, but has spread from Maine to Minnesota and as far south as Louisiana.

The Department Natural Resources calls it a “significant threat,” especially near water such as streams, lakes and wetlands, where it can survive high water and floods and spread before native species recover.

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Information from: Duluth News Tribune, http://www.duluthnewstribune.com

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