Education > Moss Picks > June Top 10 > Blue Onion
Blue Onion: Allium caeruleum
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|Above: umbel of flowers, Below: planted with herbs
||Use: beds, borders, berms, herb gardens
Plant: bulbous perennial to 2'
Zone: 4 - 9
Flowers: 1-2 " globes contain scores of indiviual blue flowers. Bloom lasts for a few weeks
Culture: sunny location in average soil. Good addition to herb gardens.