hello we have the dreaded knotweed growing in our garden my husband has taken to pouring boiling water on it from the kettle and it seems to be working we let it grow a bit first then just pour the water on it will keep doing it until it all goes and yes its a so and so to get rid of
see round up has brought a new product out to get rid of it sorry don't know the name its tree and something but reportedly gets rid of the knotweed