The most effective way to win the knotweed battle is to use specially-selected herbicide. A product that can attack knotweed’s extensive root system is required.
Call a company with certified applicators. They can help you choose the appropriate treatment method for your property and get the job done safely.
There is no silver bullet with knotweed. Knotweed can take a few years of treatments to achieve control. Be patient and committed to your treatment program and you can defeat this stubborn alien and protect your home.