Hydrangea macrophylla subsp. macrophylla 'Kluis Superba'

Large shrub to 2 m or more tall. Flower clusters plentiful, large. Sepals rounded and often with pink wavy edge. Raised f.k. Kluis, 1932, as a cross of 'MarÃĩchal Foch' and 'La Marne'. [Available, incorrectly, as 'Superba']