| Never seen it done before ... I am not a banana grower by any token but I think what is working against you is humidity .. a big factor .. and winter temperatures. Those I think may be the most difficult to overcome. Container planting may be an option ?? Maybe ? The growing medium could also be formulated better in containers. Indoors ? A make shift green house. I plan to grow some coffee plants in my upstairs bathroom..two showers a day
should help boost the humidity. Then again had a client once a natural green thumb that grew some amazing oranges .. just planted the tree in the yard ? While all the "experts" casted doubt on such an idea. Good Day ... | 
