Platycodon grandifloras - Balloonflower

Hardy / perennial / ornamental plant /  H. up to 60 cm / sunny position / humus rich soil / blossom colour blue / flowering time 6, 7, 8

Platycodon are herbaceous perennials with neat, ovate leaves and terminal clusters of open bell-shaped flowers which open from large, balloon-shaped buds in late summer. It is used in the traditional Chinese medicine.