Description
‘Astra Double Blue’ is known for its intriguing balloon-like flower buds that eventually burst open to form bell-shaped, semi-double blue flowers. Up to three inches across with dark blue veins and white eyes, the flowers are borne singly or in small clusters atop floral stems that persist throughout summer.
| Height: | 9 Inches |
| Spread: |
18 Inches |
| Sun Exposure: | Sun / Partial Shade |
Characteristics & Attributes
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