Ornamental onion (Allium) 'Ostara'
A cross between Allium atropurpureum and Allium karataviense.
Beautiful Allium with luxuriant longlasting bluegray foliage and large reddish purple globes on stocky green stems, for garden or in containers. It remains ornamental in the garden well into summer. Good cut flower in fresh and dried arrangements.
Favorite of bees, butterflies and other pollinators.
Winterhardy perennial bulb
Height 40 cm
Width 10 cm
Spacing 10-15 cm
Site sunny, medium moisture, well drained, rich, chalky, sandy soil