If you suspect the presence of Japanese knotweed on your property, it’s essential to arrange a professional survey. A qualified specialist can confirm its identity and assess the extent of the issue, helping you take swift and effective action. What Is Japanese Knotweed? Japanese knotweed (Fallopia japonica, also known as Reynoutria japonica and Polygonum cuspidatum) is a fast-growing, invasive non native plant species. Knotweed can grow in a variety of soil types and can quickly colonise a...