Propagation
Sow fresh seed in situ during spring or in containers during summer and place in a protected environment. Divide seedlings when dormant and plant out at 700 mm (14 in) spacing for mass planting.

Botanic information
Leaf: The sessile grey-green leaves vary from elliptical-ovate to lanceolate with an acute apex. They appear in opposite pairs along the slender pubescent stems.

Flower: The small 5-pettled blue to white or pink salverform flowers are arranged in a dense cyme that appears from spring to early summer.

Fruit: The schizocarpic fruit is composed of small nutlets.