An herbaceous perennial, forming a clump to around 1m high, with upright stems bearing leaves divided into three clover-like leaflets. Tall clusters of deep violet-blue flowers are produced in late spring or early summer, followed by dark grey seed pods
An herbaceous perennial, forming a clump to around 1m high, with upright stems bearing leaves divided into three clover-like leaflets. Tall clusters of deep violet-blue flowers are produced in late spring or early summer, followed by dark grey seed pods
