Laburnum x watereri ‘Vossii’ has a compact, rounded head and produces fragrant racemes of yellow flowers that hang from the branches in late spring. Its branches are pliable enough to be trained over high arches, adding architectural interest to any landscape. Laburnum x watereri ‘Vossii’ does not produce seeds, and it’s an excellent choice as a street tree. Laburnum x watereri is a hybrid between Laburnum anagyroides and Laburnum alpinum. Laburnum x watereri is deciduous and native to Switzerland. Learn more about Laburnum x watereri. Laburnum x watereri ‘Vossii’ was raised in the Netherlands in the late 19th century.