Maybe at some point you will get fruit but There are many better candidates
heres a coldhardy list from bananas,org
Name USDA_Hardiness_Estimate
Texas Star 7.0
Amistad 7.5
Carolina King 7.5
Golden Rhinohorn 7.5
1000 Fingers 8.0
Dwarf Orinoco 8.0
Orinoco 8.0
California Gold 8.5
Cardaba 8.5
Double 8.5
Dwarf Brazilian 8.5
Dwarf Puerto Rican 8.5
Ebun Musak 8.5
French Horn 8.5
Giant Plantain 8.5
Goldfinger 8.5
Gran Nain 8.5
High Color Mini 8.5
Ice Cream 8.5
Kalela 8.5
Lady Finger 8.5
Mahoi 8.5
Mauritius 8.5
Mona Lisa 8.5
Monkey Fingers 8.5
Mysore 8.5
Pisang Ceylon 8.5
Pitogo 8.5
Rajapuri 8.5
Saba 8.5
1780 hybrid 9.0
African Rhino Horn 9.0
Argentino 9.0
Belle 9.0
Brazilian 9.0
Dwarf Cavendish 9.0
Dwarf Namwa 9.0
Dwarf Thai 9.0
FHIA-18 9.0
FHIA-20 9.0
FHIA-21 Plantain 9.0
FHIA-23 9.0
Green Red 9.0
Hua Moa 9.0
Iholena 9.0
Kandrian 9.0
Misi Luki of Samoa 9.0
Pace 9.0
Popoulu kaia 9.0
Red Iholene 9.0
Red Jewel 9.0
Sweetheart 9.0
Tuu Gia 9.0
White Iholena 9.0
Williams Hybrid 9.0
Zan Moreno 9.0
Ae Ae 9.5
Dwarf French 9.5
Ele Ele 9.5
Enano Nautia 9.5
FHIA-17 9.5
Golden Beauty 9.5
Manzano 9.5
Namwa 9.5
Pisang Buai 9.5
Praying Hands 9.5
Sumatrana X Gran Nain 9.5
Super Plantain 9.5
Tall Red 9.5
Valery 9.5
Kaulau 10.0
Kofi 10.0
Pisang Klutuk 10.0
Cavendish (banana) 10.5
Cocos 11.0
Dwarf Gros Michel 11.0
Dwarf Red 11.0
Gros Michel 11.0
Jamaican Red 11.0
Kappa Pazham 11.0
Pisang Tandok 11.0
Rose 11.0
Karat 12.0
Kru 12.0
Latundan 12.0
Nino 12.0
Utafun 12.0
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Oh well the one I listed is the only one they have