A woodland species from North America. Generally preferring good, leafy soil in at least some shade and will tolerate drying out in summer. Alternatively it will be happy in a good, moistish soil in full sun.
Pristine white flowers held well above the leaves, 45cm. From North America, growing in wet woods and meadows. Handsome leaves with narrow segments deeply divided. Needs humusy retentive soil in sun or shade.