Originally Posted by Sanatic1234

Musa Basjoo are root hardy to at least minus 15c (5 Fahrenheit) so digging up won't be needed unless you get arctic condition's every winter. You will lose the Pseudostem at anything lower than 5 Fahrenheit unless you wrap the stem with protection for example horticultural fleece or using chicken wire filled with straw and polythene sheeting over the top to keep out any rain. But that is only needed if you really want to keep the Pseudostem height if not it will grow back quite happily in the spring.