When can I plant Lettuce in Zone 10a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The USDA zone info for Zone 10a should be reviewed to figure out when it's the best time to plant lettuce.


Planting Calendar for Lettuce

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

Lettuce are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than more sensitive plants.

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

The earliest that you can plant lettuce 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 lettuce and expect a good harvest is probably October. If you wait any later than that and your lettuce may not have a chance to fully mature. Starting your lettuce indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Zone 10a. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Zone 10a may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 10a we get surprised by a frost after January 31 be ready to protect your lettuce 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.