Overview
Allium cyaneum album is a clump forming bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. Allium cyaneum album grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, cottage and informal garden, gravel garden, patio and container plants, wildlife gardens, cut flowers and flower borders and beds.
About
Allium cyaneum album is a clump-forming cultivar of the Allium genus, known for its bulbous herbaceous perennial habit and distinctive onion or garlic aroma. It features deciduous foliage with linear, strap-like leaves arising from the base, and produces star-shaped or bell-shaped flowers arranged in an umbel atop a leafless stem. Suitable for full sun and a variety of soil types including chalk, clay, loam, and sand, it thrives in well-drained conditions and is hardy to UK zone H6. This cultivar is ideal for city gardens, patios, gravel gardens, and wildlife-friendly spaces, offering interest in spring and summer.
Growing conditions
Best soil and position for Allium
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Allium cyaneum album size, habit and characteristics
- Plant type
- Bulbs
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants, Wildlife gardens, Cut flowers, Flower borders and beds
Care notes
Pruning and caring for Allium cyaneum album
- Propagation
- Offsets, Seed
- Pest resistance
- Allium leaf miner, Onion fly
- Disease resistance
- Onion white rot, Onion downy mildew
Frequently asked questions
Where is the best place to plant Allium cyaneum album?
Allium cyaneum album prefers full sun. It suits exposed and sheltered positions.
What soil does Allium cyaneum album need?
Allium cyaneum album is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Allium cyaneum album hardy in the UK?
Allium cyaneum album has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Allium cyaneum album?
Offsets, Seed.
More in the Allium genus
- Allium 'Garlic White'garlic 'Garlic White'
- Allium 'Japanese White'garlic 'Japanese White'
- Allium 'Judith'
- Allium affine
- Allium akaka
- Allium alexeianum
- Allium amethystinumamethyst allium
- Allium amplectensnarrowleaf onion
