Japanese Knotweed is described as "a persistent, clump-forming herbaceous perennial" and can only be removed with costly ...

Japanese knotweed can be hard to spot, depending on what you're growing, as its long stalks can see home gardeners confuse it ...

If you spot this plant species in your garden, it's vital that you do something about it quickly or else it could take over your outdoor space – and a gardener has shared what to do ...