Overview
Allium phanerantherum is a clump forming bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. Allium phanerantherum grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, cottage and informal garden, gravel garden, patio and container plants, wildlife gardens, cut flowers and flower borders and beds. It is native to Iran, Iraq, Lebanon-Syria, Palestine and Türkiye.
About
Allium phanerantherum, known as conspicuous-anthered garlic, is a clump-forming bulbous perennial in the Allium genus, noted for its distinctive onion or garlic aroma. It has deciduous foliage with linear leaves emerging from the base and produces star-shaped or bell-shaped flowers arranged in umbels atop leafless stems. This cultivar thrives in full sun and well-drained soils of various types and pH levels, making it suitable for diverse garden settings including city gardens, gravel areas, and wildlife spaces. It is hardy in the UK (H6) and flowers in spring and summer.
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.
Growing conditions
Best soil and position for Allium
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Allium phanerantherum size, habit and characteristics
- Plant type
- Bulbs
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants, Wildlife gardens, Cut flowers, Flower borders and beds
- Native to
- Iran, Iraq, Lebanon-Syria, Palestine, Türkiye
Care notes
Pruning and caring for Allium phanerantherum
- Propagation
- Offsets, Seed
- Pest resistance
- Allium leaf miner, Onion fly
- Disease resistance
- Onion white rot, Onion downy mildew
Frequently asked questions
Where is the best place to plant Allium phanerantherum?
Allium phanerantherum prefers full sun. It suits exposed and sheltered positions.
What soil does Allium phanerantherum need?
Allium phanerantherum 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 well-drained.
Is Allium phanerantherum hardy in the UK?
Allium phanerantherum has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Allium phanerantherum?
Offsets, Seed.
More in the Allium genus
- Allium 'Garlic White'garlic 'Garlic White'
- Allium 'Japanese White'garlic 'Japanese White'
- Allium 'Judith'
- Allium affine
- Allium akaka
- Allium alexeianum
- Allium amethystinumamethyst allium
- Allium amplectensnarrowleaf onion
