One of the first steps you take when you are estimating 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 to plant corn salad is to examine the USDA zone info for Northfield.

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 do not do well in cold weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant corn salad in Northfield 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 really do well. Starting your corn salad indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Northfield the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Northfield is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Northfield it frosts late in the year after May 15 be ready to cover your corn salad in the event of a late frost.

USDA Zone Info for Northfield

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Northfield

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