Propagation
Sow fresh seed during spring and maintain a temperature of 12º to 15º C. (55º to 59º F).

Take a semi-hardwood cuttings during summer apply bottom heat.
Divide suckers during spring.
Graft varieties onto species rootstock.

Note:
Care should be taken when selecting a sight as the tree has vigorous roots that can lift concrete and block drains.

Botanic information
Leaf: The dark green leaves are ovate to elliptical with an acuminate apex and an uneven almost cordate base and the petiole up to 50mm (2in) long. The underside has prominent un-forked veins that are downy along the axils. During autumn the leaves turn bright yellow before falling.

Flower: The clusters of tiny red campanulate flowers are arranged on short pendant stems up to 12mm (½in) long. The obovate buds appear stalked with small imbricate ciliate scales. The flowers appear during spring.

Fruit: The flat samara is surrounded by a wing and has a small notch at the tip. The seeds are viable but the plant may be reproduced vegetatively.