Propagation
Soak seeds over night before sowing during spring and maintain a temperature of 11º to 17º C. 

Take soft tip cuttings during late spring and use a peat and sand mix.

The tuberous roots may be eaten.

Botanic information
Leaf: The bright green ovate to cordate leaves have a cordate base with a rough upper surface. The apex is acuminate and the crenate margins are sinuate.

Flower: The bright rose-pink campanulate flowers are arranged in an axillary raceme that is up to 150 mm (6in) long and appears throughout summer.

Fruit: The small seeds are viable but the plant is commonly reproduced vegetatively.