BTW, I have kept mine in the basement over the winter for three or four years, now. The basement has three small windows at ground level and little light gets in. I water it every month (marking the calendar as a reminder). All the leaves dry and drop off but, it is simply going dormant. As Spring approaches, the new growth come out, sprouting some leaders that get three feet long, reaching for what little light is available. In Delaware, there is no advantage in taking it back outside before June 10th. It blossoms every year.