Overview

Allium siculum is a tufted bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. It typically grows around 1-1.5 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Allium siculum grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4. It is drought resistant. Suggested uses include borders, containers and cut flowers.

About

Allium siculum, commonly known as Sicilian honey garlic, is a tufted bulbous plant in the Amaryllidaceae family. It reaches a height of 1 to 1.5 metres with a spread of 0.1 to 0.5 metres, taking 2 to 5 years to reach full height. This deciduous plant thrives in full sun or partial shade and is adaptable to various soil types including chalk, clay, loam, and sand, with a preference for moist but well-drained conditions. It is drought resistant and flowers in spring and summer, suitable for a range of garden aspects and exposures.

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 4.0Allium

Growing conditions

Best soil and position for Allium

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
North-facing, West-facing, East-facing, South-facing
Exposure
Exposed, Sheltered
UK hardiness
H4

Plant details

Allium siculum size, habit and characteristics

Plant type
Bulbs
Habit
Tufted
Foliage
Deciduous
Height
1-1.5 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Borders, Containers, Cut flowers

Care notes

Pruning and caring for Allium siculum

Propagation
Bulb division, Seed sowing
Pest resistance
Generally pest-free
Disease resistance
White rot, Allium leaf miner

Frequently asked questions

Where is the best place to plant Allium siculum?

Allium siculum prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Allium siculum need?

Allium siculum 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 siculum grow?

Allium siculum reaches a height of 1-1.5 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.

Is Allium siculum hardy in the UK?

Allium siculum has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Allium siculum?

Bulb division, Seed sowing.

More in the Allium genus

Browse all Allium

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