Bulbous perennial to 1m in height, with long, strap-shaped grey-green leaves, dying back at flowering time, and dense rounded clusters of starry light lavender-purple flowers, to 20cm across, borne on strong, straight stems in early summer
1-1.5 metres
0.1-0.5 metres
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
Grow in full sun and fertile well-drained soil. It is best to grow in containers where garden soil is heavy clay and prone to saturation over winter. See allium cultivation
Propagate by offsets which can be carefully detached by lifting the bulb after flowering has finished. See bulb propagation
No pruning required, other than to remove old flowered stems and foliage
May be susceptible to allium leaf miner and onion fly
May be susceptible to onion white rot, and onion downy mildew
