- Common Name: Ornamental Onion
- Synonyms: Allium 'Purple Sensation'
- Position: Full sun, North-facing, East-facing, South-facing, West-facing, Sheltered
- Soil: Moist but well-drained, Well-drained, Chalk, Clay, Loam, Sand, Acid, Alkaline, Neutral
- Flowers: Early Summer
- Flower Colour: Purple
- Hardiness: H6 - Hardy in all of the UK and Northern Europe
- Habit: Deciduous, Columnar, Upright
- Height & Spread: 100cm × 10cm
The classic ornamental onion, seen in just about every chelsea Flower Show Garden. Large globes of purple flowers rise to around 100cm in May and flower for ages, becoming a magnet to bees and butterflies.