Propagation
Sow seed when ripe in containers and maintain a warm humid environment.
Division of the clump during autumn.

Note:
In very cold conditions this perennial is herbaceous and should be mulched to protect the rhizomes. 

Botanic information
Leaf: The dark green long linear leaves are up to 7 mm (¼ in) wide and have minute translucent serrations along the margins.

Flower: The small pale violet to almost white campanulate flowers have 4 to 7 tepals and no petals and are arranged in a dense raceme with a violet rachis. The raceme is held amongst the foliage on an erect violet-brown scape and appear during late summer.

Fruit: The shiny greenish berries are fleshy and contain 1-2 seeds that are viable but the plant is commonly reproduced vegetatively to maintain true to type.