Cultivars
'Alexander's White'
This perennial sub shrub is similar to the species and grows to 180 mm (7 in) tall by 450 mm (18 in) wide and forms a compact mounded habit.  It is evergreen in warm climates but semi evergreen in cooler regions and produces pure white flowers in flattened clusters during spring. It prefers a semi-shaded to full sun position and grows in most well-drained moderately fertile sandy to light clay soils and is suitable for USDA zones 3-9.

'Little Gem' syn. 'Weisser Zwerg'
This compact perennial sub shrub grows to 200 mm (7¾ in) tall by 600 mm (2 ft) wide and forms a mounded habit with glossy green foliage. It produces masses of small white flowers during spring and prefers a partially shaded to sunny position and it grows in well-drained, moist to dry sandy to light clay soils and is ph adaptable. It is ideal for edging in a small gardens or is used between a stepping stones and is suitable for USDA zones 3-9.

'Snowflake'
This perennial sub shrub is slowly growing to 300 mm (1 ft) tall by 600 mm (2 ft) wide and forms a compact mounded habit. It produces masses of showy fragrant white flowers from spring to early summer and prefers a partially shaded to sunny position. It is ideal for edging in small gardens or is used in rockeries as a spill-over and is suitable for USDA zones 4-9.