Propagation
Divide established clumps (rhizome) during spring.

Botanic information
Leaf: The long linear blue-green leaves are up to 15mm (⅝in) wide and are upright and arching from the base.

Flower: The small female and male flowers are seperated in the inflorescence and the spike appears above the foliage during summer.

Fruit: The small folicle is covered in whitish hairs and the seed are dispersed by wind and water. The seeds are viable but the plant may be reproduced vegetatively.