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. PRUNING SUMMARY 1. Most hydrangeas do not need pruning!
2. Prune ONLY for size or shape. 3. Prune for size only periodically, if too big, then move it & replace with a smaller cultivar. 4. When cutting for flowers or deadheading or pruning always cut to right above a leaf pair. 5. DON’T ‘shear’ hydrangeas, cut individual canes or branches. 6. 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 bushtrimmers.buzzted Reading Time: 5 mins. Caring for hydrangeas and knowing when to prune them can be confusing given the many varieties, but overall, they are hardy trees that will stay colorful and healthy if you follow a few pruning tips.
Know the Type of Hydrangea You Have. Pruning your hydrangea properly depends on the type that you have. Different types of hydrangeas require. Apr 26, Although hydrangea pruning care differs, all hydrangeas can benefit from the removal of dead stems and spent blooms each year.
General Hydrangea Pruning Instructions & Deadheading Tips. Pruning hydrangea bushes is not necessary unless the shrubs have become overgrown or unsightly. You can safely remove spent blooms anytime. However. All hydrangeas grow best in a soil that is slightly acidic, pH to For a hydrangea to be blue it must take up aluminum and the soil needs to be more acidic. For a hydrangea to be pink it must not take up aluminum. At a higher, more alkaline pH of tothe plant has difficulty taking up the aluminum naturally present in the soil.