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 Madame Emile Mouillere is a deciduous, medium sized shrub with dark green leaves and white-pink mop head flowers in summer. Prefers well drained humus rich soil in partial shade or full shade with shelter from strong winds.  

Eventual height and spread up to 1.5 metres.