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Growing Sweet Potato, also Kumara

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

Not recommended for growing in USA - Zone 5a regions

  • Plant shoots or cuttings (Slips). Best planted at soil temperatures between 17°C and 35°C. (Show °F/in)
  • Space plants: 40 - 60 cm apart
  • Harvest in 15-17 weeks.
  • Compatible with (can grow beside): Best in Separate bed

Your comments and tips

08 Feb 19, Jan Clifford (Australia - arid climate)
I have grown a sweet potato in a glass and want to know if I can plant it or not. I an in the Central West NSW in the arid zone. TIA Jan Clifford
12 Feb 19, Mike (Australia - sub-tropical climate)
Plant it and see how it goes.
12 Jan 19, Grom1t (Australia - tropical climate)
I suspend (toothpicks help) a sweet potato partially in a glass of water. After 2 weeks of so I pick off the 8inch sprouts and put them in water. I plant them once they have plenty root. First time I planted before the dry and had an excellent crop of big potatoes after at least 6 .months. it's hard to know when to harvest. .my plants never go yellow. Anyone any advice? I thought I'd try growing in pots as I had a nice if small harvest of purple fleshed ones from a pot this morning - again after 9 months I think. Magnetic Island
13 Jan 19, Mike (Australia - sub-tropical climate)
It does say harvest 15-17 weeks. Pick early if you want smaller size and pick later if you like the bigger ones.
30 Oct 18, Mike (New Zealand - temperate climate)
Here is how they grow them commercially in sub tropical southern Queensland Australia. They hill the soil up with a 2' base and about 1' high - paddock looks like corrugated iron - wave pattern. They then take cuttings (called slips about 50-60cm long) of vine from a pre-existing growing plant. These are planted (in the top part of the mound) horizontally into the soil with just the tip sticking out of the soil. Keep well watered the first week or two until the plant starts growing. Good rich soil to start with and then do not fert again especially with N. You want root development not vine production. If looking for cuttings/slips/tubers ask friends/neighbours/produce companies/internet sites etc or start a tuber as stated here.
26 Oct 18, Julie McLean (New Zealand - temperate climate)
I'm a very beginner gardener and want to try my hand at kumara . Your advice and comments are helpful and interesting. Thanks Julie.
10 Mar 19, Andrea (New Zealand - temperate climate)
Hi Julie,I'm also a beginner so all the best with growing your kumera. I'm in chch so it will be a challenge I think !
18 Oct 18, john ward (New Zealand - sub-tropical climate)
where can i get some orange kumara cuttings .Not easy to find im having problems trying to get them sprouting
23 Oct 18, Mike (New Zealand - temperate climate)
Ask around nurseries or produce/farming depots /supply companies or phone some of them.
02 Oct 18, Warren Leedes (New Zealand - cool/mountain climate)
Firstly thanks for the web site I would like to grow the different coloured Kumara, how do I go about getting seeds please? Any advice would be gratefully received Kind regards Warren Leedes
Showing 11 - 20 of 210 comments

We live in the Brisbane Valley. Our sweet potatoes never die off.

- Roscoe

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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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