Growing Sweet Potato, also Kumara

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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
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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.
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