Some hydrangeas bloom on new growth and should be pruned in late winter or early spring, before the shrub begins active growth. These include several varieties that have become quite popular: Limelight, Quickfire, Burgundy Lace, as well as the classic "snowball" types, such as Annabelle.

How much should hydrangeas be cut back for winter?

To control the size and shape of this hydrangea, cut back the stems by no more than one-third of their height after the final flush of flowers finishes blooming.

Do you cut the heads off hydrangeas in winter?

Most hydrangeas are pruned in spring, their flower heads having been left on over winter to protect the buds beneath. ... Hydrangea macrophylla, Hydrangea aspera, Hydrangea serrata and Hydrangea quercifolia are lightly pruned by cutting back the old flower heads to a pair of buds below.