Allium azureum, commonly known as ornamental onion or blue-of-the-heavens, is a striking bulb that adds a touch of elegance to the garden.
Belonging to the Allium genus, this plant features spherical clusters of small, star-shaped, bright blue flowers that create a captivating visual impact. With a mature height of about 18 to 24 inches (45 to 60 centimeters), Allium azureum is characterized by slender stems and narrow, linear leaves. Blooming in late spring to early summer, it attracts pollinators like bees and butterflies. This ornamental onion thrives in well-drained soil and full sun. Its unique blue hue and globe-shaped blooms make it a standout addition to garden landscapes, providing both color and interest.
|4 thru 8
|Season(s) of interest
|Height and Spread
|1.5-2ft x 0.5ft (45-60cm x 15cm)
|attracts pollinators, rarely browsed by mammalian herbivores
|not native to the US Midwest. Native to central and southwestern Asia
|Location in Lurie Garden
|Northeast Light Plate, Southeast Light Plate