Platycodon grandiflorus 'Hakone Blue' offers dazzling double blue flowers in summer. It grows 24 inches tall and 18 inches wide. Zones 4-8 Varieties of sedum are practically perfect plants. They look ...

An interesting and well-behaved perennial, the balloon flower, Platycodon grandiflorus, acquired its common name due to the resemblance of its buds to a hot air balloon. Before its buds unfold and ...