as experts can usually tell how long the plant has been there and whether any attempts have been made to kill it.' With that in mind, then... 1. Learn to identify Japanese knotweed A recent YouGov ...

But if you don't want to use herbicides in your garden, there are other effective methods to kill Japanese knotweed that you might want to try. Some native alternatives you might like to grow ...

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