Radar organic onion sets (autumn planting) 10-22MM – 500g


Radar Autumn planting sets are an excellent overwintering/Japanese Onion. 10-22mm sets. Can be planted from October to January.
  • 500g = 135 to 150 sets
  • Onion sets of this overwintering Japanese variety for planting between September and December, can even be planted in January and early February.
  • Very Winter hardy
  • Can be pulled throughout Winter and Spring as scallions, or left to grow into mature onions.
  • Radar onions will be ready for harvesting in late May/June, at least 4-5 weeks before spring planted sets will be ready.
  • Onions need a friable, free-draining soil and it needs to be a fertile, weed-free, compost-enriched spot in full sun (no fresh manure).
  • Sow 3cm deep and 4-5cm apart in the row with 30-40cm apart between the rows.

Availability: In stock

The principal advantage of planting onion sets in the autumn is that your onions are ready to harvest around a month before spring-sown onion sets are. Also, because they are harvested around a month earlier, you can potentially immediately follow them with another crop that would be too late to plant a month later. Sweet corn and winter squash for example. For a good yield, onions need moist soil when they are bulking up in Spring.


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