I have not yet made it to fruit with the Dwarf Cavendish. From what I have read the regular Cavendish is the most cultivated banana in the world and one of the common types we get commercially.
It is really sensitive to cold, I had leaves damaged in the 40s a couple times when I did not move it to the garage. This year, I plan to put it in my shop for most of the winter.
The Raji Puri is one of the more cold tolerant bananas and supposedly will produce here when planted outside if we have a mild winter.
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Skeet