Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Los Angeles you should be able to determine when it's a good idea to plant cauliflower.

Planting Calendar for Cauliflower

Frost tolerance for cauliflower:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since cauliflower do well in moderate cold you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant cauliflower in Los Angeles 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 cauliflower and expect a good harvest is probably October. You probably don't want to wait any later than that or else your cauliflower may not have a chance to fully mature. Starting your cauliflower indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Los Angeles. You should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Los Angeles is not always accurate the actual date of last frost will vary from year to year. Half of the time in Los Angeles you get surprised by a frost after January 31 so just be sure to be ready to protect your cauliflower in the event of a late frost.

USDA Zone Info for Los Angeles

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Los Angeles

You may be interested in your other planting guides for Los Angeles.