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Mar 25, Let these plants grow a season or two before doing any serious"hard" pruning. Once the shrub is established and has a couple of growing seasons under its belt, prune these hydrangeas in the spring down to the ground, or not at all if you want a larger shrub.

Flower buds will grow on this season’s growth or new wood.

For thicker canes, you may need loppers to cut them.

Apr 12, A bush can be trimmed by cutting back stems close to a node. If a plant is overgrown, prune back about one-third of the older stems almost to the ground. Oakleaf (hydrangea quercifolia) This species has leaves that look like they belong on red oak trees and flowers that open white then turn treecutter.barted Reading Time: 3 mins.

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.