Allium fasciculatum — Clump forming

Overview

Allium fasciculatum is a clump forming bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. It typically grows around 0.4 metres tall. 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

About the genus

Allium is a large genus of monocotyledonous flowering plants with 1112 accepted species, making Allium the largest genus in the family Amaryllidaceae and among the largest plant genera in the world. Many of the species are edible, and some have a long history of cultivation and human consumption such as the onion, garlic, scallions, shallots, leeks, and chives.

Wikipedia contributors, "Allium", CC BY-SA 4.0 — Allium

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
Height: 0.4 metres
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.