I think it may survive winter temps of -5F if you protect it with an enclosure of leaves. Here is a pic of how it can be done.
I'll sell small pups of this plant at a reasonable price. I can't say how much right now...just depends on the size of the pups. It will be very comparable to the plants sold online in nurseries and on Ebay. Yeah, I'd always choose to buy from people on bananas.org rather than on Ebay. Sometimes folks on Ebay sell the wrong types of plants. I once bought a Dwarf Orinoco and waited two years for it to bloom only to discover it was a Standard tall Orinoco. I wanted a dwarf because I was digging them up each winter and hauling them under the house. A dwarf would have been a lot easier to work with. I wasted two years on growing the wrong plant!!! I was a little frustrated at the time and have learned to be careful.
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Austin
Arkansas River Valley
Average January Low: 31°F, Average August High: 92°F
Extreme Winter Lows: 5-15°F, Extreme Summer Highs: 100-112°F, Annual Precipitation: 52 inches