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Refresh the potato crop

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I just harvested some Purple Majesty potatoes I planted back in March, and I want to throw some of them back in the ground and get another crop in this summer. Reading Sustainable Market Gardening (Pam Dawling), I discovered they typically need a 6 to 8 week dormancy period before they will sprout. To speed this up, she recommends refrigerating them for 16 days, then pre-sprouting them in light for 2 weeks with apples or onions for ethylene gas.

I'm excited to try this, but I'm curious if anyone has tried this method and has thoughts on their results? Has anyone been able to regrow potatoes in one season by just tossing them back in the ground?
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Location: Central Texas zone 8a
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I did this year. They were purple flesh. I harvested them prob in May. In early september i found a few of them that i had put in a paper bag. They were sprouting.

It was a nice find cause nobody sells seed potatos for fall planting.
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