One of the first steps you take when you are estimating 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.

The USDA zone info for Imperial should 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 all chance of frost has passed.

Since corn salad are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant corn salad in Imperial 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 grow to maturity. You can get started a few weeks earlier by starting your corn salad indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Imperial. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Imperial may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Imperial you get surprised by a frost after January 31 so always be ready to protect your corn salad in the event of one of those late frosts.

USDA Zone Info for Imperial

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 Imperial

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