Propagation
Sow seed when ripe in a prepared bed and allow to stratify naturally or stratify during winter before sowing in spring.

Botanic information
Leaf: The large dull green aromatic pinnate leaves are up to 600 mm (2 ft) long or more and have 7-19 oblong leaflets that are up to 170 mm (6¾) long by 75 mm (3 in) wide with an accumulate apex and serrulate margins. During autumn the leaves turn yellow before falling.

Flower: The pendulous male catkins are up to 400mm (16 in) long and appear on the previous season’s growth and the small female flowers appear on the current season’s wood in 4-10 terminal spikes during spring.

Fruit: The sub-globose to ovoid nuts have a sticky green, pubescent husk has 8-prominate ribs. The small kernels are edible but difficult to extract and the tree is not cultivated commercially.