How To Care For Climbing Hydrangeas. Climbing hydrangeas do not require routine pruning and they can generally be kept tidy and in shape simply by removing dead flower heads and trimming any unwanted shoots back to some healthy buds. That said the one thing I can recommend is that if you prune it wait until late June or early July to do so.
Climbing hydrangeas Hydrangea anomala ssp. Dig up the climbing hydrangea by digging up as much of the existing root base as possible from the ground. Like all hydrangeas however they need sufficient moisture and nutrients.
The roots of the climbing hydrangea are very small matlike and fibrous.
Proper care throughout the season is usually sufficient winter protection in a zone 5 garden. Climbing hydrangeas are robust and require only little care. The vines put on wonderful growth and bloom beautifully once they get settled in your garden -- and most gardeners agree that theyre worth the wait. Every 2-3 days in summer and every 4-5 days the rest of the year.