Treatment Options
Japanese Knotweed is now one of the most problematic invasive alien species across Ireland and is a major management concern for public authorities. It is an increasingly common sight on waste ground, riverbanks and roads and is classified as one of the top 100 worst invasive species worldwide.
Japanese Knotweed has aggressively invaded natural habitats outcompeting native plants, forming tall dense stands that can grow to 2-3 metres, excluding all other vegetation. Indigenous plants cannot compete with this invasive plant and local biodiversity is reduced and endangered.

Japanese Knotweed can also seriously damage buildings and infrastructure, it has the ability to weaken concrete, tarmacadam and other hard standings if any weaknesses exist.
When Japanese Knotweed takes over riverbanks, it can damage flood defence structures and undermine the ability of channels to carry flood water.
The Japanese Knotweed Company offer specific packages to suit all client’s needs. Whether the infestation is large or small, residential or commercial, we offer a wide range of Japanese Knotweed solutions and eradication options.
It is our experience that there is no one size fits all when determining a Japanese Knotweed eradication strategy as no two infestations are the same, we use a number of different treatment methods or in some cases a combination of a number of methods depending on the location of the site, the age of the infestation and other site-specific pressures with regards to timescales, costs and ecological issues.
