Propagation
Sow fresh seed in pots during autumn and maintain a temperature of 12º to 15º C. (55º to 59º F) or sow in situ during spring.

Divide the clump (rhizome) during spring.

Botanic information
Leaf: The sessile mid-green pinnate leaves have slender linear leaflets. 

Flower: The bright yellow radiate flowers are arranged in a corymb on long peduncle up to 300mm (1ft) and appear above the foliage throughout summer.

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