One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Holtville can be used to determine when it's the best time to plant corn salad.

Planting Calendar for Corn salad

Frost tolerance for corn salad:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant corn salad until after the last frost because they are not cold tolerant.

The earliest that you can plant corn salad in Holtville 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 corn salad and expect a good harvest is probably September. You probably don't want to wait any later than that or else your corn salad may not have a chance to fully mature. You can get started a few weeks earlier by starting your corn salad indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Holtville. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Holtville is not always accurate the actual date of last frost changes from year to year. Since half of the time in Holtville you get a frost after January 31 be ready to cover your corn salad in the event of a surprise late frost.

USDA Zone Info for Holtville

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 Low	30°F
Highest Expected Low	35°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 Holtville

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