How to winterize my Playboy tree roses for winter here in Kalamazoo,MI

I got this these this summer & they have done great. But not sure what I need to do to protect these beauties, please help someone! Plus, they are still blooming as of today with more still coming.
how to winterize my playboy tree roses for winter here in kalamazoo mi, gardening, My 2 Playboy tree roses
My 2 Playboy tree roses.
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