Cultivars
There are many cultivars, please contact your local nursery for available varieties.  

'Blue Perfection'
This small fast growing perennial produces flowers with blue tones. It grows in full sun on moist well drained fertile soil and is planted in small gardens. It has a medium water requirement once established. (Scale: 2-drops from 3) 

'Arcwright Ruby'
This small fast growing perennial produces flowers with red tones. It grows in full sun on moist well drained fertile soil and is planted in small gardens. It has a medium water requirement once established. (Scale: 2-drops from 3) 

'White Perfection'
This small fast growing perennial produces flowers with white tones. It grows in full sun on moist well drained fertile soil and is planted in small gardens. It has a medium water requirement once established (Scale: 2-drops from 3) and responds to mulching with an occasional deep watering during dry periods.

'Blue Gem'
This perennial produces many bicolour cultivars some with black markings and recently developed black hybrid. They are suitable for small gardens and pots growing in an open sunny position. It has a medium water requirement once established (Scale: 2-drops from 3) and responds to mulching with an occasional deep watering during dry periods.