Variations
Pink Form 
This smaller plant grows to 1m (3ft) tall and produces only pink flowers.

Prostrate Form
This plant forms a dense prostrate habit up to 6m (20ft) wide and is otherwise the same as the species. It is used as a ground cover or spillover specimen.

Mound Form
This plant grows to 2m (6ft) wide and up to 500mm (20in) tall with white flowers.