Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 Zion can be looked at to figure out when it's possible 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 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 Zion is April. However, you really should wait until May 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 August. If you wait any later than that and 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 the last frost when the weather gets warmer is on April 15 in Zion. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Zion is an average the actual date of last frost will vary from year to year. Half of the time in Zion you get a frost after April 15 so be sure to be ready to cover your corn salad in the event of one of those late frosts.

USDA Zone Info for Zion

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Zion

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