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 ...

My friend Barbara in Roslyn admired my bright blue Balloon flower (Platycodon grandiflorus) and wished for some for her backyard border. As I had large clumps that I started from seed a few years ...