Also called hog peanut. Small herbaceous vine, self-sowing extensively. This fast expanding native shade groundcover produces edible beans above and below ground. Nitrogen-fixing. Cultivated by Native Americans for centuries.
Scientific Name: Amphicarpaea bracteata
Plant Hardiness Zone: 3
Fruit Size: Lentil-sized above ground, lima-bean sized below ground
Harvest: Fall through early spring beans
Light: Full sun to full shade