Overwintering Baby Hawaiian Woodrose in Zone 5

stabby_lorynAugust 16, 2007

I Live in Central Pennsylvania in a Zone 5 area. Last August I started 2 Baby Hawaiian Woodrose plants. I grew them under HID's through the winter and they are now 25-30ft giant vines growing in a 20 gallon tub with an obelisk in it. They run over the obelisk and up some fencing to the roof of our home. The season is getting late now and I really want to keep them so they may flower next year. If kept above freezing in the dark, will they go dormant? How can I keep them through the winter without using my HID's? Any help is MUCH appreciated. I'll be overwintering a few Brugmansias in a basement and was wondering if the BHW could do the same.

Thanks

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