Blue-of-the-Heavens Flowering Onion Low-growing Allium

Blue-of-the-Heavens Flowering Onion
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Blue-of-the-Heavens Flowering Onion Low-growing Allium

Allium caeruleum Gorgeous flax-blue florets form a dense 2" umbel. Hardy variety from Siberia, formerly called A. azureum. Adds truly striking color to cutflower arrangements. Gradually forms large clumps that are sure to add early interest to the garden. Feed in early spring to promote leaf and bulb growth; the leaves die back in midspring before flowering begins. Also called Blue Globe Onion and Azure-Flowered Garlic

12–16" tall. Late Spring to Early Summer blooms, Z3-8. 5cm/up bulbs.


6401 Blue-of-the-Heavens Flowering Onion
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Additional Information

Flowering Onions

The large Allium genus is characterized by small six-petaled florets held in umbels—large or small, loose or tight. Sweet-smelling blooms make great fresh cutflowers or dried winter arrangements; only if crushed will they smell like onion. Alliums are deer resistant and prefer full sun and well-drained soil, but can tolerate some shade. Fertilize in early spring to promote leaf and bulb growth. Leaves may die back before or during blooming. All types bloom in late spring to early summer, except where noted.