Here is some general info for USDA zone 13b to help you get started.
|Average Date of Last Frost (spring)||Never|
|Average Date of First Frost (fall)||Never|
|Lowest Expected Low||65°F|
|Highest Expected Low||70°F|
This means that on a really cold year, the coldest it will get is 65°F. On most years you should be prepared to experience lows near 70°F.
Below is a list of planting guides for Zone 13b.