Allium rosenbachianum — Clump-forming

Overview

Allium rosenbachianum is a plant with a clump-forming habit in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. It typically grows around 30 metres tall and 0.03 metres wide. Allium rosenbachianum grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include borders, cut flowers, dried flowers and architectural planting.

About

Allium rosenbachianum is a plant species found high in the Himalayas of Pakistan, Afghanistan, Kyrgyzstan and Tajikistan and cultivated in many other regions as an ornamental. It is a perennial herb with bulbs up to 30 mm across.

Wikipedia contributors, CC BY-SA 4.0 — Allium rosenbachianum

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: Loam, Sand, Chalk
Soil pH: Acid, Alkaline, Neutral
Soil moisture: Well-drained
Aspect: South-facing, East-facing, West-facing
Exposure: Sheltered
UK hardiness: H6

Plant details

Allium rosenbachianum size, habit and characteristics

Habit: Clump-forming
Foliage: Deciduous
Height: 30 metres
Spread: 0.03 metres
Suggested uses: Borders, Cut flowers, Dried flowers, Architectural planting

Care notes

Pruning and caring for Allium rosenbachianum

Propagation: Offsets, Seed
Pest resistance: Allium leaf miner, Onion fly
Disease resistance: Onion white rot, Onion downy mildew, Leek rust

Frequently asked questions

Where is the best place to plant Allium rosenbachianum?

Allium rosenbachianum prefers full sun. It suits sheltered positions.

What soil does Allium rosenbachianum need?

Allium rosenbachianum is adaptable and grows happily in most soil types, including loam, sand and chalk. It is happy in soil of any pH. Aim for soil that stays well-drained.