The semi-doubleof the Turban Buttercup are popular for as they last a long time in water. It is also a colourful plant in the garden, each bearing several 3 in. in white, pink, orange or red. Except for a few very mild areas it is half hardy in Britain – the routine is to plant the tubers, claw side downwards, in spring and then lift them in October after the foliage has died down. The tubers should be stored over winter in dry peat or sand in a frost-free place.
VARIETIES: R. asiaticus is bought as a mixture of coloured varieties. Theare deeply divided. Well-rotted or peat should be added to the soil – soak the tubers in water for several hours before planting.
SITE AND SOIL: Any well-drained soil will do – thrives best in full sun.
PLANT DETAILS: Planting time March-April. Planting depth 2 in.
Spacing: 6 in. Height 1 ft.
Flowering period: June-July.
PROPAGATION: Divide tubers after lifting. Replant in spring.