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Japanese Knotweed

Episode 2 of 5

Japanese knotweed first arrived in the UK over 100 years ago is now probably the most feared and hated plant in the country, but does it deserve its status as enemy number one?

Telling the stories of non-native invasive species and our complicated attitudes to them and with an uncertain political future how do we police our ecological borders?
Japanese knotweed evolved to grow on the slopes of Japanese volcanoes. It's harsh home makes it a thug of a plant outside it's natural range with a seemingly magical ability grow in the most unlikely places. In the more than 100 years since a few female specimens were brought to UK shores as an ornamental garden plant it has spread across the country and is now probably the most hated plant in the UK. But is it really the Great Invader we believe it to be? Derek Mooney intends to find out.

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15 minutes