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

Hydrangea macrophylla Mariesii Perfecta is a deciduous, medium sized shrub with dark green leaves and pale pink-blue lace cap flowers in summer. Prefers well drained humus rich soil in sun to partial shade with shelter from strong winds.  

Eventual height and spread up to 1.2 metres.