Overview
Allium fasciculatum is a clump forming bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. Allium fasciculatum 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 fasciculatum is a species of onions known from the Himalayas of Bhutan, Sikkim, Nepal, and the Chinese provinces of Qinghai, Sichuan and Tibet. It grows at elevations of 2200–5400 m. Allium fasciculatum has thick roots and fibrous bulbs. Scapes are up to 40 cm long. In the wild it grows across Assam, China South-Central, East Himalaya, Nepal, Qinghai and other regions. Grow it in full sun and most soil types. In UK gardens it is very hardy across most of the UK (RHS H6). It works well for city and courtyard gardens, cottage and informal garden, gravel garden, patio and container plants, wildlife gardens, cut flowers and flower borders and beds. It tolerates soil of any pH, well-drained conditions and south-facing, west-facing and east-facing aspects. Plant bulbs in autumn in fertile, well-drained soil in full sun. Most are fully hardy and undemanding. Allow foliage to die back naturally.
Wikipedia contributors, CC BY-SA 4.0 — Allium fasciculatum
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 fasciculatum 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 fasciculatum
- 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 fasciculatum?
Allium fasciculatum prefers full sun. It suits exposed and sheltered positions.
What soil does Allium fasciculatum need?
Allium fasciculatum 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 fasciculatum hardy in the UK?
Allium fasciculatum 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 fasciculatum?
Offsets, Seed.
More in the Allium genus
- Allium 'Garlic White'garlic 'Garlic White'

- Allium 'Japanese White'garlic 'Japanese White'

- Allium 'Judith'

- Allium 'Summer Beauty'

- Allium affine

- Allium akaka

- Allium alexeianum

- Allium amethystinumamethyst allium
