Williamsianum hybrid medium shade, rich, acid soil. The size after 10 years is 150 cm. The flower colour is light pink. This plant is hardy.The flowering period is April - May.
This plant belongs in group B2 : up to 1 m high and as wide, leaves rounded, bell-shaped flowers in loose trusses
Location of the plant shown in the first picture : Trompenburg Tuinen en Arboretum