About
Allium ampeloprasum 'Rose Picture' is a bulbous perennial characterized by its elongated, strap-like leaves that are a medium green. In mid to late summer, it produces compact, rounded clusters of soft pink blooms atop upright stems that can reach heights of up to 1.2 meters.
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
- Moist but well-drained, Well-drained
- Aspect
- West-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Bulbs
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 1-1.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1-2 years
- Suggested uses
- Cottage and informal garden, Wildflower meadow, Wildlife gardens
- Fragrance
- Foliage
Care notes
- Cultivation
- Easy to grow in full sun and a 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
- Pruning
- No pruning required, other than to remove old flowered stems and foliage
- Propagation
- Propagate by seed, sowing in containers in a cold frame when just ripe or in the spring and by offsets which can be carefully detached by lifting the bulb after flowering has finished. See bulb propagation
- Pest resistance
- May be susceptible to slugs, snails and allium leaf miner
- Disease resistance
- May be susceptible to onion white rot, and onion downy mildew