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

Jan F M A M J J A S O N Dec
  S   P                

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

S = Plant undercover in seed trays P = Sow seed

  • 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 50°F and 68°F. (Show °C/cm)
  • Space plants: close together
  • Harvest in 8-12 weeks.
  • Compatible with (can grow beside): Lemon Balm, Borage, Carrots, Beets, Silverbeet, Lettuce, Amaranth
  • Avoid growing close to: Peas, Beans

Your comments and tips

01 Sep 14, Adern Nkandela (South Africa - Summer rainfall climate)
Is it not possible to grow and plant spring onions in september?
07 Jul 15, hennie Mulder (South Africa - Summer rainfall climate)
Like all onions they can be grown in warmer areas if you are in a frost free area of course you can plant them in containers for an early start
07 Aug 14, may (Australia - cool/mountain climate)
can u grow the spring onions in a cold frame temp gets up to 10 to 20 when the sun isout
17 Sep 14, abishek (Australia - tropical climate)
yes they can grow in tempreturs from minus 30 to 20 degrees
31 Jul 14, Camila (Australia - temperate climate)
My shallots have a lot black tiny insects on them. They cover almost the whole plant however until where i can see they don't eat it. Now the same are going to my chives. Already tried neem oil but no succeed. what can i do?
07 Nov 13, doug dewar (Australia - arid climate)
i have planted onions and spring onions over the top of pea mulch of which has germinated,i have been pulling out the peas so there is no more,i would like to know if i should use sulphate of potash to balance out the high level of nitrogen in the soil.If you could steer me in the right direction as i really don't want to lose my vegies and still want good growth in them,hoping you can help me.regards doug dewar.
06 Oct 13, Vicky (Australia - sub-tropical climate)
Spring onions that I grew from seeds resemble toothpicks for almost 2-3 months through winter. They usually "thicken up" when the weather warms up and I find after I cut the leaves (and use in my cooking), the new leaves get thicker (as thick as the one you buy) and they keep coming back.
30 Aug 13, Kyria (Australia - temperate climate)
I planted my spring onions (from seed) roughly a month and half ago, they have only grown a tiny bit - they actually resemble toothpicks. What am I doing wrong? I live in Melbourne metro. I have the exact same problem with my leeks
24 Aug 13, ChrisW (Australia - cool/mountain climate)
My spring onions have got seed pods - is it possible to grow new plants from these? And how should I harvest the seeds? The plants originated from off cuts from bunches I bought in the supermarket.
26 Aug 13, Jo (Australia - temperate climate)
Let the flower heads fully open, then when the tiny black seeds are just visible, cut off the whole flower head and pop it in a paper bag, leave it open in a dry place until the flower head dries. Then when dry, you can lightly crush up the flower head and collect the seeds in the bag.
Showing 11 - 20 of 53 comments

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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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