WAGM (Channel 8 in Presque Isle) reported a new potato variety developed by the Maine Potato Board and University of Maine is selling well at supermarkets. Hannaford began selling Caribou Russet potatoes in November. Bags of the potato variety, which come from Irving Farms in Caribou, are available in 94 stores across Maine and in read more Potato variety developed by UMaine doing well in stores, WAGM reports