Cultivars
'Blue Midget'
This dwarf plant grows to 250mm (10in).

'Dwarf Moody Blue'
This dwarf plant grows to 200mm (8in) and produces violet flowers that fade to light blue.

'Miss Jekyll'
This plant grows to 450mm (18in) tall and produces pale blue flowers.

'Mulberry Rose'
This plant grows to 450mm (18in) tall and produces creamy-pink flowers that become darker pink.

'Persian Jewel Series'
This group of plants generally grow to 400mm (16in) tall and produce a variety of flower colours including pink, pale and deep blue or white.