Cultivars
'Ankum'
This perennial, forms a compact mounded habit with a silvery lance shaped leaves that have undulating margins.  It produces small bright violet blue funnel shaped flowers during spring.

'Bertram Anderson'
This perennial forms a compact mounded habit with a silvery spotted lance shaped leaves and produces small vivid blue funnel shaped flowers during spring.

'Dordogne'
This perennial forms a compact mounded habit with large silvery-white spotted lance-shaped leaves and produces small or blue funnel shaped flowers during spring.

'Roy Davidson'
This perennial is derived from 'Bertram Anderson' and has broad, strap like leaves with silvery white spots and produces light blue flowers fade to pinkish during spring.