Banana belt, what on earth are you taking about? Hogtown sure. Maybe even “the big smoke”, and not because of the current wildfires. But banana belt? First time I’ve heard it
> "The 'banana belt' or Carolinian Canada is a region in Ontario found south of a line which runs approximately from Grand Bend to Toronto." -- http://erintown.blogspot.com/
> "Affectionately termed the `banana belt' of Canada, this zone boasts the warmest average annual temperatures, the longest frost-free seasons, and the mildest winters in Ontario." -- https://caroliniancanada.ca/legacy/FactSheets_CCUniqueness.h...
> "The city where I live, Toronto, is situated in what Canadians call the banana belt, because of its relatively mild climate." -- https://www.jamaicaobserver.com/columns/gardeners-have-a-sen...
> "The 'banana belt' or Carolinian Canada is a region in Ontario found south of a line which runs approximately from Grand Bend to Toronto." -- http://erintown.blogspot.com/
> "Although this area is also known as the “banana belt” of Canada, you won't find any bananas growing here!" -- http://onnaturemagazine.com/wp-content/uploads/2002-spring-c...
> "This part of Ontario is often known as the "Banana Belt", because of our moderate climate, in comparison to the rest of Canada." -- https://www.pinterest.es/pin/621919029764992451/
Multiple English dictionaries describe the term as specifically Canadian, e.g. Collins:
> "a region with a warm climate, esp one in Canada" -- https://www.collinsdictionary.com/us/dictionary/english/bana...