Wild Kidney Bean

Wild Kidney Bean (Phaseolus polystachios)

Wild Kidney Bean is a vining, herbaceous legume native to North America, known for its ecological importance and historical use by Indigenous peoples. Its nitrogen-fixing ability improves soil health, while its flowers and seeds provide sustenance to various wildlife species. This resilient plant thrives in open woodlands, meadows, and edge habitats, where it plays a key role in supporting diverse ecosystems.

Key Characteristics:

• Nitrogen Fixation for Soil Health
  Like other legumes, Wild Kidney Bean works with soil bacteria to fix nitrogen, enriching the soil and promoting healthy plant communities. This makes it a valuable addition to permaculture designs, food forests, and silvopasture systems.

• Important Food Source for Pollinators and Small Mammals
  The plant’s delicate flowers attract pollinators, particularly bees, which are vital for ecosystem health. Its seeds are a nutritious food source for small mammals like squirrels and chipmunks, making it an essential part of wildlife food webs.

• Traditional Medicinal and Food Uses
  Native American tribes used the beans as a food source, often drying them for long-term storage. The beans were also used in traditional remedies for urinary health and digestive issues.

• Wildlife Shelter and Nesting Material
  The dense, twining vines of Wild Kidney Bean provide shelter and nesting material for small birds, like the Indigo Bunting, and various beneficial insects, enhancing biodiversity in garden settings.

• Vining Plant for Native Gardens
  With its sprawling growth habit, Wild Kidney Bean is excellent for naturalizing in woodland gardens, along fence lines, or in food forests. It is ideal for layering in succession plantings where vertical space can be utilized.

Product Details:

• Native range: Eastern and Central U.S.
• Life cycle: Perennial
• Sun requirements: Full sun to partial shade
• Soil requirements: Medium, well-drained soils
• Mature height: 3-6 feet (vine length)
• Bloom time: Late summer
• Bloom color: White to pale purple
• USDA Hardiness zones: 6-9

Wild Kidney Bean is a valuable nitrogen fixer, wildlife food source, and traditional crop for native gardens. Its versatile growth and ecological benefits make it a great choice for regenerative landscapes.