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Liliaceae
ALLIUM sikkimense
Blue-flowered Ornamental Onion
This entry has yet to be reviewed and approved by L2G editors.
This ornamental onion, a bulbous perennial, is grown for its tiny loose umbels of bright blue or white bell-shaped nodding flowers, which bloom in early summer. The flower stalks emerge from a basal clump of long, green twisted leaves. Alliums belong to the onion family and thus all have the familiar pungent fragrance when their leaves or stems are crushed. This ornamental onion is native to China, Tibet, Nepal, and India where it grows in full sun and well-draining, often sandy soil.
In the fall, plant this bulb four inches deep in well-drained soil; rot can result if planted in wet soil. Once established, alliums tolerate some drought. Reduce watering when the foliage starts to fade. Alliums have a tendency to self-sow; lift and divide the clumps only when they become crowded. Grow this exotic plant in groups in the mixed border, alpine bed, containers, or rock garden.
10 - 6
6 - 10
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Bulb or Corm or Tuber
Full Sun, Partial Sun
6"-10" / 15.2cm - 25.4cm
4"-6" / 10.2cm - 15.2cm
India, Nepal, China
Neutral
Well Drained
Loam, Sand
Drought
Medium
Drought Tolerant, Average Water
Showy
White, Blue
Green
Yellow Green
No
Yes
Single
Matte
Alpine, Cutflower, Edging, Feature Plant, Mixed Border, Rock Garden / Wall
Hummingbirds, Butterflies
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