Platycodon grandiflorus 'Double Blue' | Double Blue Balloon Flower
This new introduction of an old time perennial garden favorite produces big boldly-sized flowers that open from balloon-shaped buds. Double, cobalt flowers open in summer creating a long lasting show. Bee friendly.
Exposure: Sun/Part Shade Bloom Time: Summer Height x Width: 24" x 12-18" Hardiness: -40°C to -34°C USDA Zone: 3