Cultivars
'Blue Lagoon'
This prostrate form has deep mauve to blue flowers.

'Huntingdon Carpet'
It has a low spreading habit with blue flowers.

'Lockwood de Forest'
This plant has a spreading habit with deep blue flowers.

'Majorca Pink'
This plant has upright growth with pale pink flowers.

'Miss Jessop's'
This plant is a quick grower to 1.8 m with an upright habit.

'Prostratus'     synR. lavendulaceus.
This form of the plant is up to 700 mm (28 in) tall by 2 m (6 ft) or wider with spreading-ascending branches forming a prostrate habit. It is planted as a ground cover or used as a spillover on embankments.

'Tuscan Blue'
This plant has dark blue flowers are otherwise similar to the species.