I'd still bring it in and grow it in the house through the winter if you have the sunny window available, Evelyn. It might not harm it to let it go dormant, but it sure will not do it any good. Your plant isn't all that robust anyway, so why not repot, give it lots of TLC and try to get it growing some leaves this winter. You will be WAY ahead by the time it's warm enough next spring to put it outside.
Once they start blooming, mine bloom about once a month as long as the weather is warm. If you have yours growing, it will start blooming sooner and you could see two or three bloom cycles before your nights start getting too cold for it.
Starting from a dormant plant, it will take at least a month longer, maybe more to get it really growing. You'll be much less likely to see any blooms by the end of summer.
