A non-with tuberous -stock, very large and striking .
As a large bedding plant in the garden or on the balcony. The root-stocks are treated like dahlias, ie they are started into growth intemperature and in summer are planted out in a warm sheltered where they can fully develop. Just before flowering they must be fed several times. In early autumn, when the have dried out, they are lifted to be stored in a frostproof place.
The bedding orsoil must be very rich and high in humus. soil is satisfactory.
The root-stocks may be divided in spring.
indica hybrids: Dwarf forms to 50-70 cm, other varieties may reach more than 1.5 m. Flowering season late summer and early autumn; the come in a variety of colours.