Invasive non-native weeds

The most common invasive non-native weeds are:

  • Japanese knotweed
  • Giant hogweed
  • Himalayan balsam
  • Rhododendron ponticum
  • New Zealand pygmyweed

For more information and to identify invasive non-native plants visit GOV.UK.

You can report invasive non-native weeds in our parks, open spaces or on highways and we’ll investigate.

Report invasive non-native weeds