Answer: Queen Ann is an evergreen variety so it should be coming through winter in better condition, although lack of light indoors can make it look a bit bedraggled. It's good that you are able to get it to bloom well. I think it would be preferable if you could give it very bright but cool conditions, say temperatures in the 50's with little no no fertilizer over winter and see if the foliage holds better for you. Then fertilize and give it optimum conditions over the summer every year. But, you could experiment and try cutting it back and giving it little to no water (soil not quite bone dry) to force it to rest for the winter.
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