You've had Irish potatoes and yams, but have you tried The African Potato Mint (also known as a kaffir potato)? Boil, fry, or roast the edible tubers as a substitute for your next portion of taters. The African Potato Mint makes a perfect ground cover and does well in areas that are prone to drought.
Average mature height: 2-3 feet
Light: Full sun to part shade
Plant size. Our plants ship in 3-inch-deep pots when they are 3-6 inches tall so they can grow to maturity under your green thumb.