Roots and shoots part two. The curiously named Fox and Cubs (Pilosella aurantiaca) spreads all over the allotments though it's native to alpine areas in southern and central Europe. Where it likes the conditions it can spread prolifically by seeds, stolons and rhizomes.

 As an experiment I dug up four or five and planted them in a large ceramic pot. That was last year and since then they have multiplied to cover the whole of the pot: