Found naturally on shady stream banks in parts of South Wales and SW England. This has handsome spires of hooded light indigo flowers in summer. In the 13th century it was an important medicinal herb used by the Physicians of Myddfai, but highly poisonous. Good in borders, it can reach 5ft. Aut + Spr
Growing Information
Flowering Period: Summer
Colour: Blue
Height: 90–150 cm
Position: Partial Shade
Soil: Moist but Well-drained, Humus-rich
Naturalising: Good
Wildlife Value: Pollinator value: Excellent. One of the best late-season nectar plants for bumblebees. All parts are highly poisonous.
