This Hydrangea paniculata is a deciduous plant so during the dormant season in the early autumn it will lose all its leaves shooting new growth in the spring from April. 

Hydrangea paniculata Magical Kilimanjaro is a very compact attractive paniculata with straight dark red stems. Flowering in summer with eye catching panicles of dense pointed green to white flowers later becoming bright white. Can be planted in full sun or part shade conditions. Hardy to -30°c  

Eventual height and spread up to 1 metre