If the vine has become spindly, heavy pruning will rejuvenate the plant. While the climbing hydrangea can successfully grow in Minnesota, the roots must be protected with leaves or straw during harsh winter weather. Sign up for our newsletter. Staggered pruning for overgrown plants: If the climbing hydrangea vine is badly overgrown, reduce the size gradually by staggering the pruning over a span of two or three years. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. For minor pruning to help shape your climbing hydrangea, wait until late summer when the vine has finished flowering to prune it. Newly planted climbing hydrangeas need time to adjust to their new location and to put down roots before any pruning is done. Mountain Hydrangea Hydrangea Serrata species was formerly grouped with the lace-cap hydrangea because of its flattened flower-heads that consist of central, small florets surrounded by showy, larger florets. You can also cut off old or dead stems at the base of the plant to stimulate healthy new growth. If you have a lacecap hydrangea it’s important to prune it the right way and that means pruning at the appropriate times. However, the climbing hydrangea is pruned after flowering in summer. The best time to perform a major pruning is when the plant is close to coming out of dormancy in late winter or early spring. That is to say, flowers will only grow on branches formed in the previous year. A climbing hydrangea (hydrangea anomala) flowers on old wood. How to Grow Bougainvillea Around a Mailbox, The Best Ways to Trim a Bougainvillea & Avoid Thorns, How to Care for an Umbrella Plant Capella. Trimming just above the leaf node sends signals to the plant to branch out at that point, creating a fuller appearance to the vine. Otherwise, you risk cutting off flower buds that appear soon after … © Copyright 2020 Hearst Communications, Inc. Sign up to get all the latest gardening tips! Pruning lacehead hydrangeas Pruning lacecap hydrangeas do not have to be done at any particular time. During this time, you can trim the vine to control its height or width, remove dead branches or make cuts at leaf nodes to encourage the plant to fill out. Most people prune hydrangeas at the end of winter or the start of spring but if you have a climbing Hydrangea it is recommended that you prune it in the summer after it has flowered. Prune back the majority of the plant, leaving three to five 3-foot-tall stalks. Hydrangeas come in a range of types or species, and different Hydrangeas require different pruning techniques, they need to be pruned at different times. Occasionally you may need to prune your climbing hydrangea back heavily. Any pruning can divert energy from root development and lead to a weaker plant. This means you won’t enjoy blooms the coming season, but the rejuvenated plant should come back better than ever the following year. Wipe the pruners with rubbing alcohol or a solution of bleach and water to kill bacteria. To reduce the stress on your hydrangea, avoid pruning during the first year of growth. When to Prune a Climbing Hydrangea. When pruning your climbing hydrangea, always use sharp cutters to avoid crushing the stems and to make clean cuts. Maintenance pruning: Cutting back hydrangea vines is best done immediately after flowering, before new buds appear. Read here how to prune which type of hydrangea, how and when. Most pruning is carried out in late winter or early spring. And they are easy to prune, if you know what sort of wood your hydrangea flowers on you will know when to prune it. Otherwise, you risk cutting off flower buds that appear soon after flowering, thus drastically reducing development of new blooms for the upcoming year. Leaf nodes are the points on the branches from where leaves grow. Deadheading: If your climbing hydrangea doesn’t need pruning, just remove old, wilted blooms to keep the plant looking tidy. If you love the large, lacy clusters of flowers produced by hydrangeas but don't have the room in your garden for a shrub, consider a climbing hydrangea (Hydrangea anomala petiolaris). For minor pruning, remove no more than one third of the plant's growth; if you need to remove more, wait until the plant is dormant to reduce stressing the vine. Left untrimmed, climbing hydrangea can reach heights of 60 feet. Climbing hydrangea needs a rich, moist, well-drained soil. Pruning your hydrangea is an essential part of making it grow well and beautifully in your garden or front yard. Maintenance pruning: Cutting back hydrangea vines is best done immediately after flowering, before new buds appear. Deadheading: If your climbing hydrangea doesn’t need pruning, just remove old, wilted blooms to keep the plant looking tidy. The New Sunset Western Garden Book; Kathleen Norris Brenzel, ed. Read on to learn about climbing hydrangea pruning. It's a vine not a shrub, and it generally requires little to no pruning. By: Mary H. Dyer, Credentialed Garden Writer. Based in Portland, Ore., Tammie Painter has been writing garden, fitness, science and travel articles since 2008. Hard pruning of old or badly neglected plants: Old, neglected vines can be cut to the ground. Pruning the plant correctly helps shape the vine and keep it under control. Read on to learn about climbing hydrangea pruning. The flowers a climbing produces are not too dissimilar to a lace-cap hydrangea, with flowers in clusters comprising of both small fertile and showier sterile flowers. Climbing Hydrangea (H. anomala petiolaris) The stunning climbing hydrangea is the type you see slowly making its way up a tree or other support. Pruning climbing hydrangeas isn’t difficult and will keep the vines looking their best. Climbing hydrangea is a spectacular plant, but it has a rambunctious nature and get easily get out of control if you aren’t careful. If you have had any diseased plants in your garden, wipe your cutters down with rubbing alcohol before trimming your hydrangea to prevent introducing disease into the open wound you'll be making. Hydrangeas have been very popular garden plants for decades. When to prune hydrangeas. If your soil needs improvement, mix in a generous amount of compost before planting. Climbing Hydrangea The climbing hydrangea (Hydrangea anomala) is a slow-starting vine that reaches up to 30 feet in length. The best time to perform a major pruning is when the plant is close to coming out of dormancy in late winter or early spring. 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