Invasive plant species are in the spotlight — not just thanks to climate change, which has helped these biodiversity-killers thrive — but because they are prey in gardeners’ crosshairs.

An Asian hornet nest. Credit: Peter John Kennedy An invasive species, Asian hornets are now found in much of western Europe. Nests are destroyed in the UK mainland each year as authorities try to ...

Native to East Asia and spreading for the same reasons other “invasive” plants move away from their original locations, this species grows profusely in the disrupted soils of retired farmland ...