Harvest time for potatoes is determined by the agricultural zone your garden is in - basically, by your climate, - and by the variety of potato you are growing. But no matter what climate they are in, or what kind of a potato they are, potato plants have a way of indicating that tubers are ready for harvesting. In this video I'll show you what signs from potato plant you can follow to know when you can start 'digging for fresh potato tubers.