One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Zimmerman you will be able to estimate when it's the best time 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 require warm weather.

The earliest that you can plant corn salad in Zimmerman 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. You probably don't want to wait any later than that or else your corn salad may not have a chance to fully mature. Starting your corn salad indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Zimmerman. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Zimmerman is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Zimmerman you get surprised by a frost after May 15 so make sure that you are prepared to cover your corn salad in the event of one of those late frosts.

USDA Zone Info for Zimmerman

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 Zimmerman

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