Hydrangea macrophylla 'Blue Danube' easy to grow, will grow in sun or shade, and in most different types of soil. Although, remember that an acidic soil will give blue flowers, whereas an alkaline soil will produce pink blooms!
HYDRANGEA macrophylla 'Mathilda Gutges' Grow in moist, but well-drained soil, in sun to partial shade. Provide shelter from drying winds. This hydrangea flowers on the previous season's wood, and can be maintained by cutting back just to the first pair of buds beneath the old flower in spring.
Hydrangea macrophylla 'Dolce Kiss' has brooding dark leaves and bears lacecap heads of white flowers edged pink. Almost certainly bred from and is definitely a bigger version of Hydrangea serrata 'Kiyosumi'.