Here is some general info for USDA zone 12a to help you get started.
Average Date of Last Frost (spring) | Never |
Average Date of First Frost (fall) | Never |
Lowest Expected Low | 50°F |
Highest Expected Low | 55°F |
This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.
Below is a list of planting guides for Zone 12a.
Vegetables
Herbs
Flowers