Japanese knotweed

ASL goes to war against invaders

Reynoutria japonica

You may have already seen these big bushes on the shore of the lake, along a river or a slope of an embankment, made of tall stems with beautiful white flowers and immense leaves, haven’t you?

Even if we can appreciate the aesthetic of this plant, called Japanese Knotweed, it is not indigenous at all. Its pioneer aspect enables it to survive easily at the native ones’ cost.

Indeed it presents a powerful capacity to incurably invade fields and prevent all other species to grow. A dense layer of different plant species quickly covers lakeshores, rivers and other embankment in summer, but in winter those places are empty and covered by dry stems.

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