Florida seems tricky. " All Raspberries prefer sandy, well draining soil and full sun to partial shade. The Raspberries I picked then, and the ones I pick now, were juiciest where they were shaded by the forest canopy. Those of you in the hotter Southern States should bear this in mind and provide your Raspberries with afternoon shade from the sun. If your soil is too heavy and wet they will develop root rot. Take heart in the knowledge that Raspberries do very well in raised beds. Plenty of composted organic matter is a helpful addition.
There were years when the Raspberry crop failed. I'd go trotting merrily to the clearing and find nothing but shriveled berries. Crop failure is mainly due to dry weather conditions. Water is a must for the developing Raspberry fruit. This and some cool evenings. Raspberries are hardy to Zone 3 and do well up to Zone 9. Warmer than Zone 9 and they don't stand much chance of surviving. It is possible, but difficult. "