For a highly invasive plant, Japanese knotweed looks unassuming. With green bamboo-like stems, spade- or heart-shaped leaves and, in late summer, clusters of white or pale green flowers, Japanese ...

There are few garden discoveries more disappointing than realizing that the beautiful plant in your yard is actually Japanese knotweed (Polygonum cuspidatum), an invasive plant that is a problem in ...

A petition in Shutesbury calls on the Select Board to impose a five-year moratorum on using glyphosate and similar toxic herbicides for controlling vegetation including recent growth of Japanese ...

The herbicide glyphosate, touted as the most effective treatment for controlling knotweed, is one of the most well-studied chemicals, experts say. Scientific data does not support claims that ...

You are likely seeing pretty hedge-like plants with mounds of white flowers growing along streams and highways this time of year. This is the highly invasive plant called Japanese knotweed (Fallopia ...

New Swansea University research has looked at the long-term environmental impact of different methods to control Japanese knotweed. The invasive species has been calculated to cost more than £165 ...

Welcome to the Swampscott Conservation Commission’s first bulletin. We intend to occasionally issue bulletins to keep residents and business up to date on issues relating to the Commission’s work in ...

I’m a lucky guy: for one thing, I have no Japanese knotweed. Many is the gardener who has emailed me asking, “What can I do to get rid of Japanese knotweed?” My usual answer? Sell the house. Japanese ...

New research has looked at the long-term environmental impact of different methods to control Japanese knotweed. Different ways of trying to control the invasive species have developed over the years ...