Allium cepa ‘Sturon’


  • Botanical name: Allium cepa 'Sturon'
  • Common name: Onion
  • Family: Alliaceae

Bulbing onions can be used all year round, either fresh from the garden or storage. Yellow, red and white-skinned varieties are available, with more or less pronounced flavour and keeping abilities. Varieties sown in spring (or earlier under glass) or grown from sets (small bulbs) are ready to harvest from late summer onwards and keep until the following spring. Seed or set varieties started in late summer or early autumn stay in the ground over winter and mature in early summer after stored onions are used up – these varieties only keep until the new year.


Onions grow best in a sunny site in rich but light soil, that is relatively free-draining. They’ll tolerate a range of soils, as long as it’s firm.


Allium cepa ‘Sturon’ is a full-flavoured white onion, bearing straw-coloured bulbs that mature in August. The Royal Horticultural Society have given it their prestigious Award of Garden Merit (AGM). For best results, grow Allium cepa ‘Sturon’ in full sun in well-drained soil.

How to grow Allium 'Sturon'

  • Plant size

    60cm height

    20cm spread

  • Aspect

    South facing, west facing

  • Sun exposure: Full sun
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy / clay / heavy / moist

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Do not Plant in January

Do not Plant in February

Do Plant in March

Do Plant in April

Do not Plant in May

Do not Plant in June

Do not Plant in July

Do not Plant in August

Do Plant in September

Do Plant in October

Do Plant in November

Do not Plant in December


Do not Harvest in January

Do not Harvest in February

Do not Harvest in March

Do not Harvest in April

Do not Harvest in May

Do Harvest in June

Do Harvest in July

Do not Harvest in August

Do not Harvest in September

Do not Harvest in October

Do not Harvest in November

Do not Harvest in December

Allium 'Sturon' and wildlife

Allium 'Sturon' has no particular known value to wildlife in the UK.

Is Allium 'Sturon' poisonous?

Allium 'Sturon' can be toxic.

Toxic to:

Toxic to Cats

Toxic to Dogs

Toxic to Horses

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Allium 'Sturon'