Light, moisture, and type all factor into the harvest date. If you've never grown potatoes, add them to your garden this year. They're relatively easy to grow and don't require a lot of maintenance.
Plant sprouted potatoes to avoid waste and get a nice, unexpected harvest of fresh potatoes. It happens to all of us at some point: there, at the back of the cupboard, a few stray potatoes go wrinkly ...
If you've never grown potatoes, add them to your garden this year. They're relatively easy to grow and don't require a lot of maintenance. The hardest part is knowing when they're ready to eat.