Variation
var. miniata, syn. Cuphea x purpurea
This plant is simular to the species but is smaller in all respects and forms a low bushy habit to 600mm (2ft) tall.

Cultivar
'Mad Hatter'®
This compact form grows to 300mm (1ft) tall and wide and produces white flowers predominately during summer but may appear sporadically through the year. 
It grows in full sun to semi shade on most well drained moist soils and has a medium water requirement once established. (Scale: 2-drops from 3) It is used for garden edging or planted in patio pots and once established it tolerates light frost.