The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 Mesa should be read to figure out when 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.

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

The earliest that you can plant corn salad in Mesa is March. However, you really should wait until April 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 couple of weeks earlier by starting your corn salad indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Mesa. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Mesa may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Mesa you get surprised by a frost after February 15 so just be sure to be ready to cover your corn salad in the event of a surprise late frost.

USDA Zone Info for Mesa

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 Low	25°F
Highest Expected Low	30°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 Mesa

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