To download the revised EA Knotweed Code of Practice (Managing Knotweed on Development Sites) 2006 click here
Below is a list of other sites containing information about Japanese knotweed and/or legal issues relating to the plant. Also included are links relating to other invasive weeds highlighted on our website. These links are provided in good faith and we cannot be held responsible for either the link or the information contained within them.
Wildlife and Countryside Act 1981
Environmental Protection Act 1990
Environmental Protection (Duty of Care) Regulations 1991
WQM1 - Application of herbicide in or near water consent form
Defra - Department for Environment Food and Rural Affairs
The Japanese Knotweed Manual (Packard Publishing)