Onions
Allium cepa · Easy
A space-efficient staple grown most simply from sets, with autumn and spring planting options.
Sow
Sow seed indoors from January or direct in spring.
Plant
Plant suitable sets in autumn or from mid-March to mid-April.
Harvest
Early summer to early autumn, depending on planting time.
Practical growing notes
Give onions the right space.
- Plant spacing
- About 10–15 cm with 30 cm between rows.
- Light
- Full sun.
- Containers
- Yes, in a wide container with good drainage.
Why grow it?
Reliable, useful in the kitchen and stores well after drying.
Watch for
White rot persists in soil; use heat-treated sets where bolting is a concern.
Keep the bed moving
What can follow onions?
A quick cool-season leaf crop for spring and autumn, with repeat pickings from small sowings.
brassica familyRocketA compact peppery leaf crop that can be harvested repeatedly and grows well in containers.
lettuce familyLettuceA succession-friendly salad crop, especially useful as loose-leaf or cut-and-come-again types.
brassica familyPak choiA fast oriental green that performs best in cool, moist spring or late-summer conditions.