Tip cuttings taken in the spring. Hybrids may be grown from seed and will bloom the same year if started in the winter. All have softly hairy, lobed leaves and bell-shaped flowers with incurving petals . Leaves are entire and shallowly lobed. Flowers are bell-shaped, and white to purple with dark purple veins.
Flowers are small, yellow, and pendant, with a large red calyx.
Similar to a Japanese maple. Flowers have protruding stamens, with orange-yellow petals that are veined with dark crimson. It is a tall shrub with mauve or white flowers. U.S. zones 8-9. Flowers are orange-yellow and veined with brown.