How To Care For Hydrangeas During The Winter. Pruning last years growth effectively removes the next seasons flower buds. Drying winter winds can also sap moisture from shrubs.
Now that youve moved your hydrangeas into the garage you can lug them back outside again because that is the best place for them over the winter. Protect your in-ground hydrangea in winter. Aside from that weak or dead branches should be cut away.
Getting Your Hydrangeas Ready for Winter.
Getting Your Hydrangeas Ready for Winter. For this reason bigleaf Hydrangeas should never be pruned in late summer or fall. The first step in proper winter care is to cut back any old wood down to the base. Some are even just fine in zone 2 which can get as cold as -40 C.