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Tosca produces a torpedo shaped onion with yellow to brown skins. This particular variety has excellent flavour and is suitable for winter storage.
Onions are one of the most popular crops for the gardener.
Product Part Number: 13235
When to sow
When to sow
February to April
Where to Sow
Early sowing can be made underglass in pots or seed trays , sow seed on the surface of seed sowing compost and lightly cover with a sprinkling or vermiculite or compost , and place at a temperature of 14°C. Outdoor sowings can be made in April , sow seed thinly in shallow drills 1.5cm (1/2in) deep, with rows spaced 30cm (12in) apart.
What to do next
Greenhouse sown seedlings can be pricked out into individual pots or modular trays. Move plants to a cold frame in April to harden off before planting outside 10cm (4in) apart. Outdoor sowings can be thinned gradually until plants are 10cm (4in) apart , then leave to mature as smaller bulbs for storing.
August to September
Ideal variety if space is limited as bulbs are long and thin making them suitable for closer spacing.
Onions are high in anti-oxidants and have anti-bacterial properties. Also high in Vitamin C, calcium and iron.