In this case, forewarned is forearmed.

Nov 12, Do I Prune My Hydrangeas In The Fall? 1. Blue Hydrangeas don’t get cut down in the fall. If you do prune them back “to neaten them up” or “make them shorter” 2. Since Annabelle (one of the Hydrangea arborescens varieties) and LimeLight or Estimated Reading Time: 4 mins.

Mar 25, Prune back stems to just above a fat bud - called a heading cut - in fall, late winter or spring.

These plants have conical-shaped flower heads. I recommend leaving the dry, tan flower heads on the plant to provide some winter interest in your landscape, so I wait to prune these until late winter or spring.

Some favorite panicle hydrangeas. Aug 18, Oakleaf hydrangea (blooms on old wood): Prune in summer, immediately after flowering. Prune the dead wood anytime, cutting back just above the buds on stems and/or remove the largest canes to the ground. Prune sparingly to enjoy the amber peeling bark and lovely fall color. While pruning is not necessary for big leaf hydrangeas to perform, the best time to remove dead canes or rejuvenate an older plant is immediately after flowering.

Ideally, avoid pruning big leaf hydrangeas after August 1 st to avoid inadvertently removing flower buds for the next season. Apr 12, They bloom on old wood (stems that have been on the bush since the summer before) and should be pruned in the summer when the flowers have started to fade but before August hits.

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 treenotch.barted Reading Time: 3 mins.