Platycodon grandiflorus

Summer balloon blooms are delightful.

Balloon Flower.  Lovely blue flowers of occasionally pink blooms in late summer. Popping up in spring, when it is a good idea to remove the old stems that were marking their spots. They have a fragile, fleshy root system so dislike disturbance and transplanting. Deadheading is good. Ordinary soil but with drainage. 60cm.