Finally, I would be able to earn my degree as a banana grower in Zone 9, California. My Williams banana is potted and the pot burried in the ground. It has survived the last winter on the west side wall of the house, the trunks remained solid and green but the leaves fried out, and it has bloomed during the late spring this year. I think the fruits will have enough time to mature and ripen come fall season. This is truly one cold hardy Williams.
I have more bananas here: