- Chinese wisteria or Chinese kidney bean.
- Height: 9m; spread: 9m.
- Full sun or partial shade.
- Pea-like, fragrant, mauve or lilac-coloured flowers in dense pendent racemes opening before the leaves. Blooms from late spring to early summer, followed by bean-like velvety green seed pods 15cm long.
- Toxic seeds, seed pods, bark and resin.
- Tolerant of pruning, and will re-grow if cut back to the base.
LABURNUM WATERERI VOSSII
- Golden rain.
- Height: 9m; spread: 6m.
- Full sun.
- Dark green leaves. Late spring, early summer lavish display of extraordinarily long racemes of bright yellow fragrant flowers. Followed by seed pods.
Easily trained or grown as grafted tree.
- Crop of poisonous seeds.
- Remove pods to encourage future flowering.
- Dr Vasa Gnanapragasam is a GP in Sutton, Surrey.