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 arborescens Invincibelle Limetta 'Invincibelle Limetta Smooth Hydrangea' is a compact, rounded, new dwarf 'Annabelle' type flowering from early summer to autumn. Large rounded flowers open lime green lightening to soft green white before turning jade green. Strong branches hold the flowers all season long. Suitable for full sun or part shade conditions. Prune in March for a well branched shrub. 

Eventual height and spread up to  0.6 to 0.9 metres