Makes a handsome bush with 3-lobed leaves and masses of neon blue, pea-like blossoms that give way to large, inflated pods.
The root is successfully used as a substitute for wild indigo root in herbal medicine.
Scarify the seeds and plant in spring. Germination is easy and vigorous, and the plant establishes itself and lasts for years in the garden.
The most showy of the indigos.