Allium roseum
rosy-flowered garlic
Perennial bulb, to 60cm tall, producing narrow, grass-like mid-green leaves, and small, loose umbels of pale pink, cup-shaped flowers in summer, often including some bulbils
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Amaryllidaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem
- Name status
Correct
- Plant range
- S. Europe, N. Africa, Turkey
How to grow
Cultivation
Grow in full sun and fertile well-drained soil. It is best to grow in containers where garden soil is heavy clay and prone to saturation over winter. See allium cultivation
Propagation
Propagate by seed, or bulbils, or division of clumps in spring or autumn. See bulb propagation
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- Wildlife gardens
Pruning
No pruning required, other than to remove old flowered stems and foliage
Pests
May be susceptible to allium leaf miner and onion fly
Diseases
May be susceptible to onion white rot, and onion downy mildew
Get involved
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