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 ...

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 ...

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It has been growing uncontrollably across Britain since being introduced nearly 200 years ago. But scientists reveal that it's possible to rein in Japanese Knotweed after testing the most effective ...