Spectacular ornamental onions producing enormous purple globe-shaped flower heads up to 6 inches across atop tall sturdy stems. A dramatic architectural element that towers above companion plants.
Allium (Allium giganteum) thrives in USDA hardiness zones 5 through 8. This means it can tolerate winter temperatures typical of these zones. Check your local zone to ensure it is suitable for your area.
How much sun and water does Allium need?
Allium requires full sun and has low water needs. It grows best in well-drained soil. This plant is drought-tolerant once established, making it a great choice for water-wise gardens.
How tall and wide does Allium grow?
Allium typically reaches 4' tall with a spread of 1'. It has a medium growth rate and requires low maintenance. Plan your garden spacing accordingly to give it room to reach its full size.
Is Allium deer resistant?
Yes, Allium is considered deer resistant. While no plant is completely deer-proof, deer tend to avoid this species, making it a good choice for gardens in areas with deer pressure.
When does Allium bloom?
Allium blooms in late spring, producing purple flowers. This plant is grown primarily for ornamental purposes. It belongs to the Amaryllidaceae family and is native to Central Asia.
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