Description
Astra Semi-Double Blue Balloon Flower
Botanical Name: Platycodon grandiflorus ‘Astra Semi-Double Blue’
Height: 10 inches
Spacing: 8 inches
Sunlight:
Hardiness Zone: 3a
Description:
Balloon-like buds swell and open to large semi-double bell-shaped blue flowers with clearly defined darker veins; flowers singly, or in small clusters over dark green foliage all summer; great for borders, beds, or as edging
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