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 4.0 — Allium
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
- Allium 'Judith'

- Allium 'Summer Beauty'

- Allium cepa 'Goldito'
- Allium christophii (albopilosum)Star of Persia

- Allium hookeri 'Zorami'Hooker Chives

- Allium phanerantherumconspicuous-anthered garlic

- Allium 'Millenium'
- Allium schmitzii
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