Japanese knotweed threatens to crowd out native plants in Minn. city

07/17/2013 | Duluth News Tribune (Minn.)

A plant known as Japanese knotweed is beginning to spread in backyards and parks in Duluth, Minn., threatening to crowd out native plants, according to this article. The plant is similar to bamboo, and it can grow at least 10 feet tall and withstand heat, shade, drought and high salinity. It can be eliminated only through chemical means, noted Judy Gibbs, the city's invasive species eradication coordinator.

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Duluth News Tribune (Minn.)

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