Use this simple guide on how to cure potatoes to help your spuds last longer in storage. Jay Wilde Not all vegetables need to be cured after harvesting, but curing is a must if you want homegrown potatoes to last in a root cellar through winter. Curing or drying potatoes thickens their skins, allows minor cuts and abrasions to heal, and makes spuds less likely to rot or shrivel in storage. If you...