About
Allium cepa 'Stur Bc 20' PBR is a medium-sized onion that features brown skin and is harvested late in the season. This variety is sold as sets, which are small, immature bulbs that enable longer storage and later growth.
About the genus
Allium consists of bulbous herbaceous perennials characterized by a pronounced onion or garlic aroma. They feature linear, strap-like, or cylindrical leaves that arise from the base. The flowers, which can be star-shaped or bell-shaped, are arranged in an umbel atop a stem that lacks leaves.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Herbs - Culinary, Bulbs
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1-2 years
Care notes
- Cultivation
- Grow in any soil in full sun. They need moisture whilst growing but by July need very little. For more advice see how to grow: onions
- Pruning
- No pruning required
- Propagation
- Propagate from sets (small immature bulbs) in spring
- Pest resistance
- May be susceptible to birds pulling them out the ground, if they are planted as sets
- Disease resistance
- May be susceptible to onion downy mildew, onion white rot and leek rust