About

This perennial bulb forms clumps and reaches a height of 40 cm. It features robust, narrow leaves in a medium green hue. In mid to late summer, it produces clusters of rose-pink, star-shaped flowers, each measuring up to 5 cm across, held on erect stems.

About the genus

Allium consists of bulbous herbaceous perennials characterized by a pronounced onion or garlic aroma. They feature linear, strap-like, or cylindrical leaves that arise from the base. The flowers, which can be star-shaped or bell-shaped, are arranged in an umbel atop a stem that lacks leaves.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Plant type
Bulbs
Habit
Clump forming
Foliage
Deciduous
Height
0.1-0.5 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants, Wildlife gardens
Fragrance
Foliage

Care notes

Cultivation
Grow in reasonably fertile, well-drained soil with full sun. The leaves generally die down before the flowers open. See allium cultivation advice
Pruning
No pruning required, other than to remove old flowered stems and foliage
Propagation
Propagate by division or propagate by offsets which can be carefully detached by lifting the bulb after flowering has finished. See bulb propagation
Pest resistance
May be susceptible to allium leaf miner and onion fly
Disease resistance
May be susceptible to onion white rot, and onion downy mildew