Japanese knotweed, which can grow to 5 feet tall, has found fertile ground along the Muddy River in the Back Bay Fens. Alexandra Almonacid walked by a thatch of the weed.

These weeds won't be uprooted

A bamboo-like perennial is winning a race for space in local parks

By Cristina Silva
Globe Correspondent / July 12, 2005

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If you try to pull it out, it can splinter and spread. If you mow it, it grows back within days. If you spray it with plant poison, the herbicide can harm the soil and damage other plant species. (Full article: 952 words)

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