Most of the other hydrangeas should be pruned in summer, once they have finished blooming. Most of these bloom on what's called"old wood" - growth from the year before. 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 takedownbush.buzzg: Encino CA.
May 10, 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 long%. Apr 11, They bloom on old wood (stems that when to trim hydrangeas bushes ny 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 takedownbush.buzzted Reading Time: 3 mins. Apr 26, Annabelle Hydrangea (H. arborescens) are usually pruned in the summer following spring blooming. Some people choose to prune them to the ground in late winter or trim dead growth in early spring just prior to blooming.
Climbing Hydrangea (H. anamala) often does not require takedownbush.buzzg: Encino CA. Both PeeGee and smooth hydrangeas bloom white.
Before pruning, be sure to know what type of hydrangea you have. When Cutting Back Hydrangeas Can Be Helpful: (1) All dead stems should be removed from hydrangeas every year. (2) After the plants are at least 5 years old, about 1/3 of the older (living) stems can be removed down to the ground each takedownbush.buzzg: Encino CA.