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
NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter |
Position
- Full sun
Aspect
South–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Sheltered Hardiness
H3Botanical 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. Plant out sets in March-April for a late Summer harvest or in Autumn for a Summer harvest the following year. 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 when young, cover with fleece until sets have rooted in
Diseases
May be susceptible to onion white rot, leek rust, downy mildew and bolting
Allium cepa (Cepa Group) 'Sturon'
onion 'Sturon'
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.