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.

Also called Hydrangea Preziosa.

Hydrangea serrata Preziosa is a compact, bushy mop head hydrangea with mid green leaves in summer opening purple green when young then becoming red in autumn. Bright pink mop head flowers in summer open pale green, yellow, white become pink then turn red shades in autumn. Flowers will be blue mauve on acid soil types. Prefers well drained humus rich soil in sun to partial shade with shelter from strong winds. 

Eventual height and spread up to 1 metre.