How do I know when to harvest potatoes?
Hardiness Zone: 5b
In general, when the potato plants begin to yellow, that's time.
To be sure, you could always check.
Also, I left mine in too long this year and some of them began to rot. I live in zone 8b, though, so 'hot' for me is probably not 'hot for you! Good luck.
We wait until the vines are nearly dead, then dig the tubers and spread them on a tarp to dry for overnight. Then store them in a cool, dark, dry place. If you can keep them around 40-50 degrees F they will probably store all winter. Don't let them get any cooler or they will turn sweet-tasting.
Keep checking and using as summer comes along. Dig a hill here and there, allows you to keep track. Usually potato digging time in the zone 5 would be Sept, Oct, as you put away your garden spot for winter. Even a nice Nov is good. I am zone 4.
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