Mamol,I am very interested in J. chilensis. What are your thoughts on the hardiness in a continental climate such as yours? Is humidity a problem?
PhilMusa is correct...I forgot about the fungicide. I did use that before wrapping. If you tarp or "wrap", make sure it can breathe. Bananas will rot....
Mamol,For the bananas...cut the trunk to about 1 foot. Enclose it with chicken-wire, then fill the enclosure with leaves. This will protect it enought...
Here in Feeding Hills, MA we recorded -20F. I had a T. takil on a south wall, heavily mulched, covered with a garden stake and plastic (like a teepee)...