Growing Yacon, also Sunroot

Smallanthus sonchifolius : Asteraceae / the daisy family

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

(Best months for growing Yacon in New Zealand - cool/mountain regions)

  • P = Plant tubers
  • Easy to grow. Plant sprouting root/tuber to a depth of about 4cm and mulch to cover. Best planted at soil temperatures between 50°F and 77°F. (Show °C/cm)
  • Space plants: 39 inches apart
  • Harvest in approximately 25 weeks. You can collect a few at a time without digging out the whole plant..
  • Compatible with (can grow beside): Best in separate bed

Your comments and tips

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16 Sep 19, Anon (New Zealand - sub-tropical climate)
Google it.
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17 Jun 19, Liz Goldsworthy (New Zealand - temperate climate)
Hi, does anyone know where i can buy Yakon tubers from?
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03 Aug 19, Merril Bourne (New Zealand - temperate climate)
I live in Auckland & have recently harvested some Yacon & have a few "crowns" / "bulblets" to share.
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20 Sep 19, susie barr (New Zealand - cool/mountain climate)
How can I get yakon bulbs from you in Auckland as I also live in Auckland Eastern Suberbs ?
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20 Jun 19, (New Zealand - sub-tropical climate)
Try Yacon New Zealand on Facebook.
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09 Jul 19, Jill Carr (New Zealand - temperate climate)
Have just dug 2 large bucket fulls larger than usual one @ 900gr & other large, easily peeled in an hour easier than apples, have thousands of "bulblets" to give away.
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20 Oct 19, Carine (New Zealand - sub-tropical climate)
Hi Jill Would also be interested in some yacon seed/crowns whatever you may still have available, please? Many thanks.
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08 Oct 19, Rhys (New Zealand - temperate climate)
Hi Jill Any chance you have a few bulblets still available. Thanks.
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20 Sep 19, susie barr (New Zealand - cool/mountain climate)
Please can I have some bulbs
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28 Jul 19, Jill (New Zealand - temperate climate)
Love to collect some bulblets if you have any left.
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Showing 31 - 40 of 52 comments
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Hi there. I will be harvesting my yacon in the next month or two and can send you some then for you to plant in spring...paying it forward as I was given 3 two seasons ago, planted 12 and gave away 16 last season, so I expect to have wayyyyy too much this harvest!!!

- Dawn

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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. GardenGrow 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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