What’s the most sustainable way of dealing with Japanese knotweed? Here’s what we found
What’s the most sustainable way of dealing with Japanese knotweed? Here’s what we found: More than £150 million is spent trying to control Japanese knotweed in the UK annually. Tomas Vynikal/Shutterstock When it was introduced to Europe in the mid-19th century as an ornamental plant, Japanese knotweed, known as Reynoutria japonica var japonica, quickly went …