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  • If you find Japanese knotweed on your property you should begin treatment as soon as possible. The larger the infestation, the more damage it can potentially cause.
  • If possible, keep the Japanese knotweed isolated to prevent the risk of it spreading.
  • Any dead Japanese knotweed stems, roots and rhizome that is removed from the site and disposed of must be done at a regulated waste disposal site.
  • Wash the shoes that you have worn on site thoroughly so that the Japanese knotweed does spread any further.
  • Obtain a Japanese Knotweed Management Plan


  • Do not flail or strim green knotweed stems. This is one of the surest ways of spreading viable pieces of knotweed over a much larger area - making the problem far worse.
  • Do not cut the stems without treating the roots. Cutting the stems encourages the roots to take on more nutrients that enhances the growth of the root system considerably.
  • Do not dispose of Japanese knotweed in standard compost heaps or an unlicensed waste disposal site. Beware of the law and legislation relating to invasive weeds and Japanese Knotweed.
  • If you cause invasive species to spread you are breaking the law and could be prosecuted.
  • Do not spread any soil that has been contaminated with Japanese knotweed. The root system is resilient and will grow back.

DIY Eradication.

DIY Eradication can be achieved, however, a lot of patience and perseverance will be needed.

For anyone considering DIY Japanese knotweed eradication, we have put together a list of "dos and don'ts" to help you understand the treatment and removal process better and what you can do to ensure that your Japanese knotweed infestation does not spread even further.

Japanese Knotweed (Fallopia Japonica)