How to prune laburnum × watereri 'vossii'

Immediately after flowering in early summer. Remove spent flower racemes and dead or crossing stems back to a healthy junction. For pergola or arch training, select strong shoots and tie them to the framework; shorten unwanted laterals to 3–4 leaves after flowering.

Annually after flowering. Laburnum 'Vossii' needs only light pruning to maintain shape and remove dead or diseased wood. Prune after flowering to avoid cutting off next year's buds. When trained over a pergola, tie in new growth and remove shoots growing in the wrong direction. All parts are highly toxic — wear gloves.

Remove spent flower racemes and dead or crossing stems back to a healthy junction. For pergola or arch training, select strong shoots and tie them to the framework; shorten unwanted laterals to 3–4 leaves after flowering.