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Blue globe onion (Allium caeruleum)
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Availability 2023 autumn
Blue globe onion with true blue colour. It is a stunning ornamental onion with its inflorescence consisting of dozens of small star-shaped bright blue flowers forming a 3 cm wide globe-shaped cluster atop stiff stems and narrow green leaves. It remains ornamental in the garden well into summer. Good cut flower in fresh and dried arrangements.
Favorite of bees, butterflies and other pollinators.
Winter hardy perennial bulb
Height 60-100 cm
Width 15-30 cm
Spacing 5 cm
Flowering time July
Site sunny, medium moisture, well drained, chalky, sandy soil
Propagation bulblets
Blue globe onion with true blue colour. It is a stunning ornamental onion with its inflorescence consisting of dozens of small star-shaped bright blue flowers forming a 3 cm wide globe-shaped cluster atop stiff stems and narrow green leaves. It remains ornamental in the garden well into summer. Good cut flower in fresh and dried arrangements.
Favorite of bees, butterflies and other pollinators.
Winter hardy perennial bulb
Height 60-100 cm
Width 15-30 cm
Spacing 5 cm
Flowering time July
Site sunny, medium moisture, well drained, chalky, sandy soil
Propagation bulblets