Cephalanthus is a genus of evergreen and deciduous flowering plants which come in the form of shrubs and small trees.
Although the genus includes multiple species, the most relevant for cultivation in the British Isles is C.occidentalis.
C.occidentalis is a large deciduous plant, generally growing between 5 and 15 feet. It can be expected to produce flowers which are coloured creamy-white.
This species should be planted between October and November. When planting, make sure to locate them in an open location using a soil which is moist, sandy and peaty.