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Sign up freePotentially invasive
This species can spread aggressively. Check local guidance before planting, and avoid letting it escape into the wild.
Platycodon grandiflorus
Balloon flower is a herbaceous perennial with dark green leaves and blue flowers that bloom in late summer. A distinctive feature is the balloon-shaped flower buds that swell before opening into five-petaled bell-shaped flowers.
Lychnis chalcedonica
flower
Thrives in the same full sun, moderate water conditions as balloon flower
Start balloon flower indoors about 8 weeks before your last frost. Seeds usually come up in around 14 days. Move seedlings out once the danger of frost has passed, in full sun, spaced about 30 cm apart. Expect the first blooms in roughly 120 days.
Keep track of the seeds you own.
Water: Medium · Height: 60 cm · Soil: Well-draining soil; prefers slightly acidic to neutral pH
