Here is some general info for USDA zone 11a to help you get started.
Average Date of Last Frost (spring) | Never |
Average Date of First Frost (fall) | Never |
Lowest Expected Low | 40°F |
Highest Expected Low | 45°F |
This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.
Below is a list of planting guides for Zone 11a.
Vegetables
Herbs
Flowers