Flowering during january and february hamamelis provides a much needed display of colour during the winter months sweetly scented lemon yellow flowers smother the bare winter stems of this elegant vase shaped shrub also grown for its vibrant autumn foliage in shades of red and orange witch hazel 39arnold promise39 is a most deserving winner of the rhs award of garden merit perfect as a specimen plant grown in a woodland garden or as part of an ever45changing shrub border this ha