There are several things to consider, not the least of which is a backflow device to prevent contaminating your household water. Some irrigation supply companies provide free system designs on the condition you buy all of the supplies from them. Even if they charged a small fee, it would be worthwhile. It's not just pressure that is important. Pipe sizing and distance are also factors. I'm sure you can find an agricultural irrigation supply company in Florida. The will require a scale drawing and water source information. Usually the pipe starts out at a fairly large size then reduces as you go toward the end. These engineers can figure it out in minutes and your system will work.