Spring Onion – Santero
High quality rounded onions with a golden skin and the significant benefit of downy mildew resistance. Fast maturing but slow to bolt, providing early and maincrop harvests that store well.
Sow indoors, from January to April, for larger bulbs, 0.5cm deep, in a tray of seed compost. Water well and maintain a temperature of 15-20C. Keep moist. Transplant, 5cm apart, to other trays when large enough to handle. Gradually accustom young plants to outside conditions (avoid frosts), before planting out 23cm apart, during April/May. Or Sow outdoors thinly in April, where they are to crop, 1.5cm deep, directly into finely-prepared, well-dug, fertile soil, which has already been watered. Allow 30cm between rows. Seedlings usually appear in 14-28 days. Thin plants to 23cm apart. Transplant thinnings. Harvest from August to September. Allow onions to dry, before storing in a cool, dry room.
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