One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Cerritos you can estimate when you can plant iceberg lettuce by using the USDA zone info.

Planting Calendar for Iceberg lettuce

Frost tolerance for iceberg lettuce:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since iceberg lettuce are barely cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant iceberg lettuce in Cerritos is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant iceberg lettuce and expect a good harvest is probably September. Any later than that and your iceberg lettuce may not have a chance to fully mature. You can get started a few weeks earlier by starting your iceberg lettuce indoors.

Last Frost Date

The average date of last frost is January 31 in Cerritos. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for Cerritos is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Cerritos last frost occurs after January 31 so be sure to be ready to protect your iceberg lettuce if you have a surprise late frost.

USDA Zone Info for Cerritos

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 Cerritos

You may be interested in your other planting guides for Cerritos.