The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Mission can be used to determine when you can plant corn salad.

Planting Calendar for Corn salad

Frost tolerance for corn salad:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

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 Mission 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. Any later than that and your corn salad may not have a chance to really do well. You can get started a few weeks earlier by starting your corn salad indoors.

Last Frost Date

The average date of last frost is February 15 in Mission. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Mission may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Mission there is a last frost after February 15 be ready to protect your corn salad in the event of one of those late frosts.

USDA Zone Info for Mission

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 Mission

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