Originally Posted by damaclese

My ruby is setting outside in less than 20% humidity and don't have any browning on the leaves at all. I do plan to take mine inside this winter. However I will say that it grows slowly for me here in Nevada as most of my bananas do! With the intensity of the sun here the leaves do take on a lovely deep red color. Out of all the bananas I'm growing this one seems to take the most sun. Judging from its ability to take the high temperature I'd say it is not cold hard at all!