Ornamental Onion Overview
Allium caeruleum is a bulbous perennial species that typically grows to around 80cm tall. It produces linear mid-green leaves, which clasp the stems and showy, blue blooms. Flowers are arranged on dense rounded heads on vertical, stiff stems, they are bright blue, small and star-shaped. Flower appear from early summer. This species originates from Central Asia, it can be found in the wild across dry slopes, plains and steppes from the Caspian Sea to southwestern Siberia, it is also found in Turkestan and northwestern China. Grows best in full sunshine, in a sheltered position and in a moist and well-draining soil. This species is part of the Royal Horticultural Society “Plants for Pollinators” initiative to showcase plants which support pollinator populations by providing ample amounts of nectar and/ or pollen. A great choice for encouraging pollinating insect wildlife into your garden!