Hardy varieties, such as Musa 'Basjoo' from Fast Growing Trees, are tougher against the cold (‘Bajoo’, for instance, can be grown outdoors in hardiness zone 5). However, they still need some ...
“If you have a hardy banana plant, like the Musa basjoo from Thompson & Morgan ... Cut back the leaves When it comes to a hardy banana tree, one of the easiest ways to protect against frost ...