CUTTING BACK HYDRANGEAS AFTER FROSTING IS GOOD? – Hydrangeas are an energetic bush.
They begin to push out new development once hotter temperatures are felt, yet then when the climate drops once more, it can make genuine harm that new development.
This is particularly dangerous for bigleaf hydrangeas. All things considered, it is essential to take care to ensure your hydrangeas when unforeseen frost occurs.
Commonly, with bigleaf and oakleaf hydrangeas you would prune the plants every year following blooming in the late spring. The explanation behind this is the new blossoms develop on old wood–the stems from the summer(s) previously.
For paniculata and smooth hydrangeas, you would do it in the pre-winter or winter as the new sprouts develop on new wood. Yet, frost can be tricky.
Would it be a good idea for you to prune hydrangeas after frost?
Frost can be adverse to your hydrangeas to the extent that it can harm them. Any evenings where the temperatures dip under 32 degrees F, the plants lose heat in their leaves, the water inside the plant freezes, and the cells burst.
At the point when hydrangeas experience frost harm it turns the leaves and the new buds to a light red tone. More genuine harm goes them to an earthy colored/dark tone. You will likewise see they have withered.
Bigleaf hydrangeas have feeble dormancies and their flowers begin to bud immediately come spring so these assortments are the most helpless to harm from frost.
After frost keep your eyes stripped for any harm. It could take as long as multi week for harm to appear. When you discover it, trust that the stem will develop to the point that it produces bark and afterward scratch it back to underneath the frost-harmed focuses.
This should leave sound wood with the green layer uncovered. Any buds that are underneath this frost harm will at present give wonderful sprouts.