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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0–0.1 metreGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Pink Purple | Green | ||
Autumn | ||||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Amaryllidaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- 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
- Japan
How to grow
Cultivation
Grow in reasonably fertile well-drained soil with full sun at the front of the border. Further allium cultivation advice
Propagation
Divide clumps in early spring
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Rock garden
- City and courtyard gardens
- Patio and container plants
- Wildlife gardens
- Flower borders and beds
Pruning
No pruning required
Pests
May be susceptible to onion fly
Diseases
May be susceptible to onion white rot and downy mildew and occasionally leek rust
Get involved
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