When and how should I prune a Panicle Hydrangea?

[yourhomify]

Panicle Hydrangea pruning should be done later in winter or early spring just before new growth develops. They come to flower on new wood, so pruning promotes an increase in sturdier branches and more fruitful flowers. The decrease of a third of the growth of the previous year and any weak or crossing stems should be removed, and thinning done to enhance airflow and structure.