Allium atropurpureum (very-dark purple allium) — Clump forming

Overview

Allium atropurpureum is a clump forming bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Allium atropurpureum grows best in full sun, and tolerates most soils and any pH.

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: Moist but well-drained, Well-drained
Aspect: South-facing, West-facing, East-facing
Exposure: Sheltered

Plant details

Allium atropurpureum size, habit and characteristics

Plant type: Bulbs
Habit: Clump forming
Foliage: Deciduous
Height: 0.5-1 metres
Spread: 0.1-0.5 metres
Time to full height: 2-5 years

Frequently asked questions

Where is the best place to plant Allium atropurpureum?

Allium atropurpureum prefers full sun. It suits sheltered positions.

What soil does Allium atropurpureum need?

Allium atropurpureum 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 moist but well-drained to well-drained.

How big does Allium atropurpureum grow?

Allium atropurpureum reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.

More in the Allium genus

Browse all Allium →