The Nikko Blue Hydrangea, Hydrangea macrophylla, has blue blossoms on a plant with a strong constitution which make Hydrangea macrophylla 'Nikko Blue' one of the best. It will be a fantastic show of color in your garden. Early blooming starting with flowers that are cream with blue margins then turning a solid blue mass as the plant matures. The variegated foliage only adds to the picture. ... additional info