Astra Double Blue Balloon Flower
Platycodon grandiflorus ‘Astra Double Blue’
Star-shaped, periwinkle blue blooms measure 2–3 inches in diameter. Petals are long lasting and plants flower continuously. This compact variety exhibits a uniform, well-branched habit.
Sun / Shade Ratio
Shade Tolerance
Sun Tolerance
Attributes
MINIMUM HEIGHT  | 
6  | 
Inches  | 
MAXIMUM HEIGHT  | 
12  | 
Inches  | 
HARDINESS ZONES  | 
3, 4, 5, 6, 7, 8, 9  |