How well will the mandevilla grow in Florida?
Certified GKH Gardening Expert
These plants should grow fine in your location. If you haven't yet read it, here is more information you should find helpful: https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-plant.htm
Mandevilla should grow terrifically well in Florida, since that's where most of them come from!!!