Apr 12, The flower buds here will actually start to form at the end of summer and then flower afterwards in the following season so you don’t want to prune after August. When you prune these hydrangeas only cut away dead wood in the fall or the early spring.
When you are pruning you can cut one or two of the older stems down to the base so that new branches grow with better fullness. If your plant is older or damaged you can prune Estimated Reading Time: 2 mins. Apr 17, Cut back in early spring, pruning last year’s growth back to a healthy framework that’s between 30cm and 60cm high. Prune to just above a pair of healthy buds on each stem. Cut back to the lowest healthy buds for big flowers or less hard for a natural look or a taller treedelimbing.buzz: BBC Gardeners' World Magazine.
If you prune them in early spring, you risk cuting off the dormant flower buds. By pruning right after the blooms have faded, you allow the plant time to set buds for the next year. Oakleaf (H. quercifolia) and bigleaf hydrangea (H. macrophylla), including Nikko Blue and all the other pink- and blue-flowering cultivars, bloom from buds set the previous year. Sep 24, Mophead and lacecap hydrangeas can be pruned in late winter or early spring. The climbing hydrangea should be pruned in summer after flowering.
Prune smooth hydrangeas and paniculata species annually to a framework of branches to make them flower more prolifically. Serrata can be treated the same as mophead and treedelimbing.buzzted Reading Time: 5 mins. The best time to rejuvenate large, overgrown shrubs is late winter or early spring (March or early April). Heavy pruning in late winter or early spring will reduce or eliminate the flower display for 2 or 3 years. However, rejuvenation pruning will restore the health of the shrubs.
The best time to prune healthy, well-maintained spring. Aug 20, Prune the hydrangea to reduce its size. If your hydrangea has grown quite large, you can prune it in June or July (just after the blooming season) to contain it a bit.
Trim back the branches by 1/3 to the nearest joint. In most cases hydrangeas will grow back quite quickly, so you may not be able to maintain the smaller size for treedelimbing.buzz: K.