Williamsianum x forrestii low rhododendron with bell-flowers. The size after 10 years is 50 cm. The flower colour is red in bud later bright pink. This plant is hardy.
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