When to Plant Iceberg lettuce in Mendota, CA

One of the best tools that you have as gardeners to help us figure out 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 Mendota should be looked at to determine when it's the best time to plant iceberg lettuce.


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.

You can plant iceberg lettuce slightly earlier in the year because they do ok in moderate cold.

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

The earliest that you can plant iceberg lettuce in Mendota 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. If you wait any later than that and your iceberg lettuce may not have a chance to grow to maturity. If you are starting your iceberg lettuce indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Mendota. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Mendota and it changes from year to year. Half of the time in Mendota it frosts late in the year after February 15 so be sure to be ready to cover your iceberg lettuce if you have one of those late frosts.

USDA Zone Info for Mendota

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Mendota

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