Knotweed Education UK

More Knotweed Information:

Gardeners world magazine on knotweed: How To Remove Japanese Knotweed | BBC Gardeners World Magazine

Clear safe Knotweed: Japanese Knotweed Removal in Swansea, Cardiff & South Wales (clearsafeknotweed.co.uk)

Japanese Knotweed Agency: Japanese Knotweed Agency