One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Zone 12b should be reviewed to determine when it's the best time to plant turnips.

Planting Calendar for Turnips

Frost tolerance for turnips:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since turnips do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant turnips in Zone 12b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant turnips and expect a good harvest is probably November. Any later than that and your turnips may not have a chance to fully mature. Starting your turnips indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 12b it never frosts. It might get as low as 55°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 12b is not always accurate and the actual date of last frost is different every year. Since it never frosts in Zone 12b you do not have to be ready to protect your turnips if you have a late frost.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	55°F
Highest Expected Low	60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in your other planting guides for Zone 12b.