Allium obliquum (Lopsided onion) — Clump forming

Overview

Allium obliquum 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 0-0.1 metre wide, reaching full size in around 1-2 years. Allium obliquum grows best in full sun, and tolerates most soils and any pH.

About

Allium obliquum, common name lop-sided onion or twisted-leaf onion, is a Eurasian species of wild onion with a range extending from Romania to Mongolia. It is also widely cultivated elsewhere as an ornamental. Allium obliquum produces an egg-shaped bulb up to 3 cm long. Scape is up to 100 cm tall, round in cross-section. It is native to Altay, East European Russia, Kazakhstan, Kirgizstan, Krasnoyarsk and other regions. Mature plants reach roughly 0.5-1 metres tall and 0-0.1 metre wide, carrying deciduous foliage. In the garden it prefers full sun and most soil types. It tolerates soil of any pH, moist but well-drained conditions and south-facing and west-facing aspects.

Wikipedia contributors, CC BY-SA 4.0 — Allium obliquum

Growing conditions

Best soil and position for Allium

Sunlight: Full sun
Soil type: Clay, Loam, Sand
Soil pH: Acid, Alkaline, Neutral
Soil moisture: Moist but well-drained
Aspect: South-facing, West-facing
Exposure: Sheltered

Plant details

Allium obliquum size, habit and characteristics

Plant type: Bulbs
Habit: Clump forming
Foliage: Deciduous
Height: 0.5-1 metres
Spread: 0-0.1 metre
Time to full height: 1-2 years

Frequently asked questions

Where is the best place to plant Allium obliquum?

Allium obliquum prefers full sun. It suits sheltered positions.

What soil does Allium obliquum need?

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