Hollyhocks are renowned for their attractive blooms, & ' Crème de Cassis' is no exception. The hardy perennial's flowers appear on stems that tower above cottage garden borders as a mixture of single & double blooms. This variety of Althaea rosea is also suitable for cut flower gardens, as its veined petals are an excellent focal point for any display.
Height: 2m (6'7); Spread: 60cm (2'0).