Before planting it is a good idea to find your USDA Zone info to estimate 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.

In Casper you can determine when it's the best time to plant corn salad by referring to the USDA zone info.

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 probably not a good idea to plant corn salad until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant corn salad in Casper 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. 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

In Casper the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Casper and it changes from year to year. Half of the time in Casper you get surprised by a frost after April 15 so always be ready to protect your corn salad if you have one of those late frosts.

USDA Zone Info for Casper

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Casper

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