Aug 03, In conclusion, you don’t have to cut back hydrangeas. If you do, it is dependent upon what type of growth you are cutting. Old-growth has bark that is layered and dry looking. Its stems are also stiff and rigid.
This type of growth should be cut before it grows its buds for the following year. You should cut it immediately after they shrubcleanup.buzzted Reading Time: 7 mins. 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 year.
Sep 24, Cut back after flowering to the second pair of leaves below the head in order to prevent seed developing. On established mopheads and lacecaps, cut one or two of the oldest stems at the base to encourage the production of new, vigorous replacement shrubcleanup.buzzted Reading Time: 5 mins.
Aug 22, As soon as that Annabelle is done blooming, or anytime this fall, cut it back as hard as you like and it will be shrubcleanup.buzzted Reading Time: 8 mins. This is one of the easiest Hydrangeas to prune.
Because it blooms only on new wood, you can just cut it back to the ground in late winter, before any new buds appear. If you experience some flopping of flowering branches, then leave a framework of old growth to help support the branches by only cutting stems back to 2 feet from the ground.
Aug 20, You can cut back all the stems by 1/3 in the winter. Pruning at this time will help the shrub produce bigger, showier flowers. However, many gardeners like their hydrangeas to have smaller flowers on sturdier stems. If this is your preference, do your pruning in the fall instead, to allow the plants to grow strong branches before shrubcleanup.buzz: K.