Japanese knotweed and giant hogweed are exotic weedy plants that cause a lot of nuisance. Fortunately, you have already passed on many reports of locations of these plants. This helps the municipality tremendously in combating them. 

Have you seen these plants? Please let us know their location. 

Arrange online

View on the Map which locations are already known to the municipality. You do not need to report these anymore. 

Map invasive aliens

Learn more

View the page about mowing verges and grasslands .