Overview
Allium 'Japanese White' is a clump forming bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. Allium 'Japanese White' 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 'Japanese White' is a bulbous herbaceous perennial cultivar of the Allium genus, known for its pronounced garlic aroma. It forms clumps of deciduous, linear leaves arising from the base and produces star-shaped or bell-shaped flowers arranged in umbels atop leafless stems. This cultivar thrives in full sun and well-drained soils of various types and pH levels, including chalk, clay, loam, and sand. Hardy to UK zone H6, it is suitable for a range of garden settings such as city gardens, gravel areas, and containers, with 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 'Japanese White' 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 'Japanese White'
- 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 'Japanese White'?
Allium 'Japanese White' prefers full sun. It suits exposed and sheltered positions.
What soil does Allium 'Japanese White' need?
Allium 'Japanese White' 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 'Japanese White' hardy in the UK?
Allium 'Japanese White' 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 'Japanese White'?
Offsets, Seed.
More in the Allium genus
- Allium 'Garlic White'garlic 'Garlic White'
- Allium 'Judith'
- Allium 'Summer Beauty'
- Allium affine
- Allium akaka
- Allium alexeianum
- Allium amethystinumamethyst allium
- Allium amplectensnarrowleaf onion
