What is Japanese Knotweed? Japanese Knotweed is a highly invasive plant that is fast becoming a pandemic in and around London. This plant is well known for its speed of growth at up to two centimetres a day, and how it takes over whole gardens at a phenomenal speed. Japanese Knotweed is listed in Schedule 9 of the Wildlife and Countryside Act 1981 (as amended) , this act is in place to control the spread and prevent release into the wild, specific plants and animals that can have a devastating effect on the
Land owner responsibilities Landowners are responsible for dealing with Japanese Knotweed if it is discovered on their land. Please see below how to identify and the best removal method for Japanese Knotweed. (See information from DEFRA )
How to Identify a Japanese Knotweed infestation? Knotweed can grow at incredible speeds, here is its annual growth cycle: Commences growth in early spring Reaches one and a half meters above ground by May By June it can be three meters tall The weed then starts to die back between September and November