KAUFMANNIANA HYBRIDS Leaves green, often red or purple marked. Single bowl-shaped flowers, multicoloured and with contrasting bases. Early to mid-spring.
FOSTERIANA HYBRIDS Leaves green, often red or purple marked. Single, bowl-shaped white, yellow or red flowers, bases contrasting. Mid-spring.
GREIGII HYBRIDS Leaves glaucous, often maroon-purple marked. Single bowl-shaped red or yellow flowers with contrasting margins and bases. Early to mid-spring.
MISCELLANEOUS SPECIES HYBRIDS Other species crosses, generally grown in rockeries. Often either low growing with star-shaped flowers and pointed tepals; or tall, with bowl-shaped flowers and rounded tepals.