"It takes years to get rid of." ...

The invasive plant can grow by as much as four inches a day, forming dense thickets that can outcompete and damage native species. Japanese knotweed is typically visible from February to November, ...

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A couple who splashed out on an incredible five-bedroom Victorian home had to put their renovation plans on hold after discovering a hidden Japanese knotweed infestation - costing them a further ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

In August 1850, a parcel arrived at the Royal Botanic Gardens, Kew, containing a plant that would go on to reshape how Britain thinks about invasive species. The sender was Philipp Franz von Siebold, ...

With its broad, green leaves and graceful white flower spikes, Japanese knotweed (Fallopia japonica or Polygonum cuspidatum) may seem like an attractive addition to your garden. It isn't. It's ...

Add Yahoo as a preferred source to see more of our stories on Google. Sprawling patches of Japanese knotweed are choking creekbanks and roadsides all over Northeastern Pennsylvania this summer, ...

Sprawling patches of Japanese knotweed are choking creekbanks and roadsides all over Northeastern Pennsylvania this summer, highlighting the persistence of the invasive species. What makes knotweed ...

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Make a gift in honor of the good that comes from BDN journalism in your hands, and help raise $60,000 this spring to support our reporting. Make a donation now. This story was originally published in ...