Also known as Blue False Indigo.
Regardless of it's name this plant is from the American Plains. It produces violet blue pea like flowers in early summer that are followed by inflated pods that darken to almost black in the autumn.
Height 100cm. Spread 60cm.
Grow in full sun and well drained soil.
Does not like root disturbance once established.
Cut to the ground late autumn.
Supplied as a garden ready plant in a 9x9x10cm pot.