Propagation
Sow fresh seeds during spring in a well-drained media. The seeds should be nicked or soaked prior to sowing.

Semi hardwood cuttings taken during summer should be placed in a dryer less humid protected environment. Avoid misting benches and bottom heat.

It has been successfully whip grafted onto G. robusta.

Botanic information
Leaf: The flat dark green sessile leaves are ovate in outline (tripartite), up to 50 mm (2 in) wide and are divided into 3-deep primary triangular pungent lobes up to 33 mm (1¼ in) long and, may be again divided  into 2-3 narrow triangular to sub-linear lobes that are up to 35 mm (1⅜ in) long. The leathery textured leaves have shortly recurred margins and a prominent mid-vein and secondary veins. The upper surface is glabrous and the underside is slightly silky.

Flower: The narrow tubulate flowers have reflexed white to cream perianth segments that are up to 3 mm (⅛ in) long and a protruding white pistil to 4 mm (⅛ in) long. The flowers have a pedicle to 8 mm (¼ in) long and are arranged in an erect axillary, domed raceme up to 15mm (⅔ in) long by 20 mm (¾ in) wide and are accompanied by tiny ovate bracts. The flowers open consecutively from the base during early spring.

Fruit: The glabrous oblong-ellipsoidal slightly rugose follicle is up to 9 mm (⅜ in) long  by 5 mm (⅛ in) wide and contains obovoid ellipsoidal smooth seeds that are up to 6 mm (¼ in) long by 3 mm (⅛ in) wide and have a broad membranous margin. The small seeds are viable but the plant is commonly reproduced vegetatively.