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Musa basjoo the root hardy banana will take if needed down to minus 19 c the stem will die back but more pups will come from the ground up. Will make a stunning tropical effect 2nd photo is of the mother which produced this pup.
Japanese banana, Banana
Musa basjoo (Japanese banana). A palm-like, arching, evergreen perennial from Japan. Bears lance-shaped to oblong, medium green leaves and spikes of yellow-cream flowers.
Some of these species can be cultivated as house plants or in greenhouses. They will require fertile, moist soil and full sun. You will need to protect from winds.
Grown for their foliage, flowers and fruits (bananas), not all of which are edible.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record