Allium caeruleum

Striking little bulbous perennial from Central Asia with 12-18” blooms May-June true blue flowers in round 1” clusters in slowly spreading clumps (may self-sow but not considered invasive); narrow grassy leaves often emerge before flowering and disappear. Enjoys full sun, dryish to moderate moisture in well-drained soil, dislikes winter wet; attracts butterflies, deer resistant, easy care heirloom!