Growing Potato

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13 Aug 17 Gill (Australia - temperate climate)
Our potatoes have grown very tall..how do you know when to harvest them? With many tjanks Gill
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13 Aug 17 Mike (Australia - sub-tropical climate)
They have probably grown tall because of one or both of two things - too much nitrogen or if they had to compete for light -(tall nearby plants). I think the guide here say 12-16 weeks to harvest. The leaves will die off when it is time to harvest. My plants powered along (fed plenty of composting mulch - then they have just died - only about 12 weeks since shooting out of the ground. I pulled out one plant - a few big potatoes and a few smaller ones. Have left the others in until I need them to eat.
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