About
'Santero' is a globe-shaped onion with a golden to light brown exterior. It yields high-quality bulbs that exhibit resistance to downy mildew and are slow to bolt. This variety also boasts excellent storage capabilities.
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
- Alkaline, Neutral
- Soil moisture
- Moist but 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
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Fragrance
- Foliage, Fruit
Care notes
- Cultivation
- Grow in fertile, moisture retentive, but well-drained soil in full sun. Consider liming if the soil is acid, pH below 6.5. Yellowing and toppling of the foliage is a sign that the onions are reaching maturity. Lift and store in a cool dry place. See How to grow: onions for further advice
- Pruning
- Not required
- Propagation
- Propagate by seed. See sowing vegetable seeds
- Pest resistance
- May be susceptible to onion fly, leek moth and narcissus eelworm
- Disease resistance
- May be susceptible to onion white rot, onion downy mildew, leek rust and onion neck rot. Bolting, producing flowers, may be a problem