Allium wallichii
Wallich's garlic
A bulbuous perennial to around 30-90cm in height, with short rhizomes and linear mid-green basal and stem-clasping leaves 60-90cm long. Star-shaped, purple flowers borne in loose umbels 5-7cm across, appear in late summer and early autumn
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Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Purple | Green | ||
| Autumn | Purple | Green | ||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Amaryllidaceae
- Native to the UK
- 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
- Pakistan to S China
How to grow
Cultivation
Grow in well-drained soil in full sun; for more advice see allium cultivation
Propagation
Propagate by seed or remove offsets in autumn
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
No pruning required
Pests
Diseases
May be susceptible to onion white rot and a downy mildews
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