Allium senescens ssp. glaucum

circle onion

German onion

  • © Blooming Nursery Inc.

Outstanding Qualities

The striking feature of the ornamental German onion is blue-green to gray-green leaves that distinctively swirl and twist, followed by an abundance of pink to purple spherical flowers in midsummer. Attractive to bees, butterflies, & hummingbirds, but not to deer!

Quick Facts

Plant Type: bulb

Foliage Type: deciduous

Plant Height: 2 ft. 0 in. (0.61 meters)

Plant Width/Spread: 1 ft. 0 in. (0.30 meters)

Hardiness: USDA Zones 4 to 10

Flower Color: pink

Sun/Light Exposure: best in full sun, but tolerates light to open shade

Water Requirements: drought tolerant

Seasonal Interest: swirling, glaucous blue-green foliage with midsummer flowers

Wildlife Associations: bees, butterflies, hummingbirds

Culture Notes
Plant this bulb in full sun for best growth and flowering, although it will tolerate light to open shade. The soil should be well-drained and sandy soils are fine. Drought tolerant once established.