Onion Santero F1

Item Number: 13232
  • Description
  • Santero F1 is one of the first varieties to be resistant to Onion Downy mildew. It is globe to slightly flat in shape with copper/golden skin. It has main crop maturity with good yield and storage potential.

    One of the most popular crops for the gardener, onions are a huge must for any allotment holder or for the gardener who has their own little vegetable garden at home, as they are so versatile and can be used for a variety of different things.



  • Pack size: 200 Seeds
  • Qty

    £ 2.35

When to sow

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
  • Sow
  • Plant
  • Harvest


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 1cm (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 15-20cm (6-8in) apart. Outdoor sowings can be thinned gradually until plants are 15-20cm (6-8in) apart , then leave to mature as smaller bulbs for storing.


August to September

Handy Tip

Lift bulbs in the autumn when mature and allow to dry before storing in a cool place for winter use.

Nutritional Values

High in Vitamin C, calcium and iron.