Dahlia ' Sugar Diamond' is a very unusual smoky, antique pink with a lovely smoky wash down the stems too. A very beautiful new form. Our dahlias: are first class, healthy tubers – the largest & best you can buy. come with full planting, spacing & cultivating instructions for beginner gardeners tubers should be potted up when they arrive & be kept in a light, frost-free place until the frosts are over & then be planted into the garden.