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

A way of estimating when it's possible to plant corn salad is to consult the USDA zone info for Mandan.

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 require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant corn salad in Mandan is May. However, you really should wait until June 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. Any later than that and your corn salad may not have a chance to really do well. Starting your corn salad indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Mandan. In the coldest months of winter you should expect an average low temperature of -30°F.

Just be sure to remember that USDA zone info for Mandan is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Mandan you get surprised by a frost after May 15 so make sure that you are ready to cover your corn salad in the event of a surprise late frost.

USDA Zone Info for Mandan

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°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 -25°F.

Plants to Grow in Mandan

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