How to Prune David's barrenwort?
Cut back old foliage in late winter or early spring for the best display of new foliage and flowers

David's barrenwort · Epimedium davidi
Grow in fertile, moist but well-drained, humus-rich soil in partial shade; shelter from cold, dry winds. Can tolerate full sun and slightly drier soils
Cut back old foliage in late winter or early spring for the best display of new foliage and flowers