When can I plant Cauliflower in Zone 10a

One of the first steps we take when we are estimating our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You can figure out when you can plant cauliflower in Zone 10a by looking at the USDA zone info.


Planting Calendar for Cauliflower

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

You can plant cauliflower a little bit earlier in the year because they do well in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cauliflower
Possibly ok, but a risky time to plant cauliflower
Probably not a good time to plant cauliflower

The earliest that you can plant cauliflower in Zone 10a 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. If you wait any later than that and your cauliflower may not have a chance to fully mature. You can get started a little bit earlier by starting your cauliflower indoors.

Last Frost Date

In Zone 10a the average date of last frost happens on January 31. We can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 10a is an average and our actual date of last frost will vary from year to year. Since half of the time in Zone 10a we get surprised by a frost after January 31 be ready to cover your cauliflower in the event of a late frost.

USDA Zone Info for Zone 10a

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Zone 10a

You may be interested in our other planting guides for Zone 10a.