Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
°Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
Neutral, AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Sheltered Hardiness
H4Botanical 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
Accepted
How to grow
Cultivation
Grow in fertile, moist but well drained soil, in full sun, in a sheltered site. Sow seeds in a succession between Mar-Sept, 1cm deep in drills 15cm apart. No thinning is required. Harvesting can usually start 8 weeks after sowing. See Vegetable Cultivation
Propagation
Propagate by seed. See sowing vegetable seeds
Pruning
No pruning required
Pests
May be susceptible to onion fly. Birds may be a problem, protect with netting or fleece
Diseases
May be susceptible to onion white rot, leek rust, downy mildew and bolting
911±¬ÁÏ
The 911±¬ÁÏ is the UK’s gardening charity, helping people and plants to grow - nurturing a healthier, happier world, one person and one plant at a time.