Cultivars
'Brilliant'
This plant produces bright pink flowers with darker pink centres and anthers.

'Carmine'
This plant produces dark mauve pink flowers.

'Iceberg'
This plant produces white flowers with pale green leaves.

'Ruby Glow'
This plant produces rose red flowers and has purplish coloured leaves in drier conditions.

'Septemberglut', syn. 'September Glow'
This plant produces rich pink flowers.

'Stardust'
This plant produces rich green leaves.