Propagation
Seeds require scarification by nicking the seed coat and or soaking in sulphuric acid for up to 30 minutes prior to sowing.

Botanic information
Leaf: The trifoliaate leaves have 3-elliptical to obovate sessile leaflets that are up to 80 mm (3⅛ in) long with an acute apex. The petiole is up to 60 mm (2⅜ in) long and the underside of the leaflets is slightly pubescent.

Flower: The golden-yellow papillionate flowers have 3-petals and 10-united stamens. They are arranged in a dense pendant-cylindrical axillary raceme that is up to 500mm (20 in) long and appears from late spring to early summer.

Fruit: The glabrous flat pod contains hard brown seeds with a narrow wing. 
Note
The seeds contain an alkaloid (cytisine) and all parts of the plant are toxic. If ingested it may be lethal.