Baptisia minor has spikes of deep purple-blue, pea-like blooms on a smaller version of Baptisia australis. Also referred to as False Indigo, this garden perennial has leathery blue-green foliage and attractive black seed pods in the fall and winter. Baptisia minor is native to the central and south central United States. Baptisia is easily grown in low fertility soil, including clay and dry soil. It prefers acidic soil and its root system is resistant to disturbance once established.