How To Care For Hydrangea Bushes In The Winter. If you would like to move your hydrangea transplanting is quite easy. Suggestions for Winter Protection Most methods of protection start with a frame around the hydrangea.
In most hardiness zones you can leave hydrangeas on your patio unprotected as they are very cold hardy. You want to exercise caution here and never cut the healthy wood as this is typically where the new blooms form for the next season. Towards the end of summer trim your hydrangea bushes to remove dead and weak branches.
Cutting back your plants The first step in proper winter care is to cut back any old wood down to the base.
Look for non-porous containers to help hold the consistent moisture level require by hydrangeas. You want to exercise caution here and never cut the healthy wood as this is typically where the new blooms form for the next season. Cutting back Hydrangeas in winter Before you start protecting your Hydrangeas for winter you have to cut the hydrangeas back. Keeping your hydrangeas safe through the winter starts before August.