Propagation
Sow fresh seed during spring or autumn and place in a cold frame.

Divide established clumps during spring.

Botanic information
Leaf: The mid-green linear leaves are often grooved and the margins may be recurved. The glabrous leaves are  pungent when crushed. 

Flower: The small white to pink crateriform flowers are arranged in globular heads up to 45mm (1¼in) wide with a wiry peduncle up to 300mm (12 in) long. They appear from spring to summer.

Fruit: The small nut is retained inside the persistent calyx. The small seed is not commonly seen and the plant is normally reproduced vegetatively.