The dreaded Buddleia (Buddleja davidii) strikes again. It was originally brought over from China and named after a late 17th-century Essex vicar.
Why not share your photos if you've spotted it growing somewhere it shouldn't be!
On the plus side, it is an attractive plant to many insects and a butterfly's paradise. On warm days, flocks of tortoiseshells, peacocks, red admirals and other species will feast on the nectar.