Sep 24, Hydrangeas that bloom on old growth should only be pruned after flowering. Others bloom on new growth and should be pruned before they wake up in spring or as they are going dormant in winter.
Mophead and lacecap hydrangeas can be pruned in late winter or early treedelimbing.buzzted Reading Time: 5 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. Jun 23, After the above varieties bloom, usually in June and July, it is time to prune. Avoid pruning after August 1, because the flower buds for next year’s blooms form in late summer. To encourage branching and fullness, cut one or two of the oldest stems down to the treedelimbing.buzzted Reading Time: 3 mins.
Apr 06, When pruning is done any time after flower buds form, the next summer’s blooms are removed. Thus the safest time to prune bigleaf hydrangeas is immediately after they have bloomed. Both panicled hydrangea and smooth hydrangea, including ‘Annabelle’ and ‘Samantha,’ flower on new wood or current season’s growth, so they can be severely pruned after fall frost and still flower the Estimated Reading Time: 3 mins.
There are exceptions to these guidelines, however. Newer, repeat-blooming selections of French hydrangea, such 'Endless Summer,' 'Pennymac,' 'Mini Penny,' and 'Forever and Ever,' bloom on both last season's growth and current season's growth. You can cut them back in.
Aug 20, Prune just after the blooming peak. Since these types of hydrangeas start producing buds soon after blooming, in late summer and early fall, it's essential to prune them just as the blooms begin to fade in treedelimbing.buzz: K.
Jul 30, So, when is the best time to plant hydrangeas? Aim for late spring, well after any danger of frost has passed, or early fall, when night temperatures usher in cooler air. If you garden in a region where the ground freezes, get plants into the ground at least six weeks prior to fall’s first killing frost.