Keeping garden beds watered in the winter

I have an overhang from the roof over a garden bed filled with new rose bushes, hydrangeas and perennials. I am afraid they will not get rain (or snow) this winter because of the overhang. I have been watering it myself all summer. Can the plants dry out and die? Any suggestions? I'm in the upper Midwest and lugging out the hose in 20 degree temps is out of the question! Thanks
Jane @No search
keeping garden beds watered in the winter, flowers, gardening, perennials
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