About
Allium cepa 'White Lisbon' is a dependable salad onion that matures rapidly, offering a mild taste ideal for fresh salads. This variety is well-suited for continuous sowing across different seasons and can be overwintered effectively.
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
- Neutral, Alkaline
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
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 year
Care notes
- 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
- Pruning
- No pruning required
- Propagation
- Propagate by seed. See sowing vegetable seeds
- Pest resistance
- May be susceptible to onion fly. Birds may be a problem, protect with netting or fleece
- Disease resistance
- May be susceptible to onion white rot, leek rust, downy mildew and bolting