The season also has a fall flavor that's popular in the state. Now, a new study has revealed the most popular fall flavor in the state, and it's a good one. The Most Popular Fall Flavor in FloridaThe crew at DoorDash has released a study on the most popular fall flavors across the United States. Also, if it seems like people are embracing fall earlier, that's because they are doing just that. So, what's the most popular fall flavor in Florida?