Winter-flowering hellebores, also know as the Christmas Rose, are a superb addition ro any garden, flowering when little else is growing, let alone in bloom. ' Black Swan' boasts sumptuous, dark velvety petals, with pure white stamens, & it is a great improvemnt on older black-flowered hellebores because the jet-black blooms face upward rather than down towards the soil. Height & spread: 60cm (2').