Platycodon grandiflorus
'Astra Blue' Balloon Flower
- Clump-forming perennial
- Blue flowers to 3" across
- Flower buds are balloon-shaped
'Astra Blue' Balloon Flower Details
| Height | 4 - 6 in |
| Spread | 4 - 6 in |
| Zone | 3-8 |
| Color: | Blue |
| Category: | Perennial |
| Breeder: | Proven Winners |