Laburnum watereri ‘Vossii’
Habit: Large shrub or small tree, 5-6 m tall, 3-4 m wide; funnel-shaped habit with arching lateral twigs, only has strong twigs in the upper half when old; medium-growing to fast-growing the first 5-10 years, 25-40 cm a year, later very slow.
Flowers: Bright yellow racemes, 50 cm long, densely packed from end of May to June; pleasant scent.
Fruits: Like beans, poisonous.
Demands: See L. anagyroides.
Hardiness: Zone 6a