Hydrangea macrophylla ‘Deep Purple’

Hydrangea macrophylla 

Macrophylla perform best in a part shade position sheltered form the hot sun and wind with a rich, porous, moist soil. Dead head and prune to shape after flowering, Hydrangeas can be cut back quite hard if need be. Feed with an organic slow release fertiliser in late spring. White varieties do not change colour, no matter the pH.