Platycodon grandiflorus 'Hakone Blue' has deep blue, double flowers on tall stems. It blooms the first year from seed if started early indoors.
Balloon Flower 'Hakone Blue' makes a wonderful cut flower . Deer resistant. Drought tolerant . Long-lived, hardy perennial in zones 3-9.
Sowing Platycodon grandiflorus 'Hakone Blue' Seeds
Start balloon flower seeds indoors 8 weeks before the last frost date. Barely cover the seeds with soil. Full sun to part shade.