Platycodon grandiflorus Astra Semi-Double Blue (Balloon Flower)
This dwarf herbaceous perennial features an abundance of navy blue buds that open to reveal semi-doubled star-shaped periwinkle blue flowers with purple veining that bloom on branched leafy stems with dense foliage. Moderate growth rate.
Blooms early to late summer
1 ft tall x 1.5 ft spread
HARDY to -40°F (-40°C)
Deer and rabbit resistant
Attracts pollinators
| Zone | Zone 4 |
|---|---|
| Exposure | Full Sun to Partial Shade |
| Moisture | Moderate Moisture |
