About
Allium cepa 'Hercules' is a widely favored onion variety recognized for its impressive yield. It generates sizable, nearly spherical bulbs that boast a rich flavor and have appealing dark golden brown skins. This cultivar also has excellent storage capabilities post-harvest.
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
- Loam, Sand, Clay, Chalk
- Soil pH
- Neutral, Alkaline
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Herbs - Culinary, Bulbs
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
Care notes
- Cultivation
- Grow in any fertile, moist but well drained soil in full sun. Plant out sets in Spring, leaving 10cm between each bulb and 30cm between each row. See Vegetable Cultivation
- Pruning
- No pruning required
- Propagation
- Propagate by sets, planted out in Spring
- Pest resistance
- May be susceptible to onion fly. Birds may be a problem, cover with fleece or netting
- Disease resistance
- May be susceptible to onion white rot, leek rust, bolting