Tending to the small spot now can help prevent more extensive spread. Homeowner met with warnings after discovering 'sneaky' ...

The hotspots across Glasgow for the highly destructive Japanese knotweed have been revealed - here is how to spot and destroy it.

A SOCIAL housing construction project at Brews Hill in Navan was held up for almost a year to treat Japanese knotweed that ...

For more information visit Midwest Invasive Species Information Network (MISIN). Japanese knotweed is very difficult to remove from an area after it has been introduced because of how aggressive it is ...

and also larger than the similar leaves of invasive Japanese knotweed produces flower stalks that contain numerous clusters of small, green-white flowers develops a massive rhizome system below ground ...

Native to Asia, knotweeds were introduced to North America as an ornamental plant. They can spread into natural areas growing quickly and forming dense monocultures, reducing habitat diversity, ...