Hybrids
'Kesselringiana'
This clump forming succulent perennial grows to 127 mm (5 in) tall by 150 mm (6 in) wide and has the fleshy green or grey green leaves that are overlapping and form a rosette. It produces orange to pink or yellow flowers in a raceme that has held high above the foliage from early to late summer. It prefers the open sunny position and grows in hot dry climates in USDA zones 8-11.

'Violet Queen'
This clump forming succulent perennial grows to 127 mm (5 in) tall by 150 mm (6 in) wide and has the fleshy grey green leaves that have reddish tips during autumn and are overlapping forming a rosette. It produces orange to pink or yellow flowers in a raceme that has held high above the foliage from early to late summer. It prefers the open sunny position and grows in hot dry climates in USDA zones 9-11.