Japanese knotweed - a plant that can grow through concrete and damage the foundations of houses. Giant hogweed - a plant that has sap that burns the skin and leaves wounds that can be aggravated by light up to six years after the initial contact. This may sound like something out of a science fiction film, but non-native invasive plants are one of the biggest threats to the UK's biodiversity. Ciara Leeming investigates some of the countries most dangerous plants and explores the problems associated with their control and eradication.
Ciara Leeming Photographs by: Sean Wilton, Lucy Burton SourceNWPublication date
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