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Growing Spring onions, also Scallions, Bunching onions, Welsh onion

(Allium fistulosum)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  S   P                

(Best months for planting Spring onions in USA - Zone 5a regions)

S = Plant undercover in seed trays. P = Plant direct in garden where they are to grow.


  • Easy to grow. Sow in garden. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 10°C and 20°C. (Show °F/in)
  • Space plants: close together
  • Harvest in 8-12 weeks.
  • Compatible with (can grow in same bed): Lemon Balm, Borage, Carrots, Beets, Silverbeet, Lettuce, Amaranth
  • Avoid growing in same bed: Peas, Beans
  • Spring onions

Can be grown from 'sets' ie seedlings brought on earlier. Spring onions are grown close together and harvested before fully mature.

Do not like to be too dry. Best in a sheltered, sunny spot. If you are growing onions from seed, you can use the 'thinnings' as spring onions

Culinary hints - cooking and eating Spring onions

Can be eaten raw in salads. Often used chopped and sprinkled on Asian stir-fry.


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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.

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