The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's a good idea to plant corn salad is to examine the USDA zone info for Piedmont.

Planting Calendar for Corn salad

Frost tolerance for corn salad:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant corn salad until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant corn salad in Piedmont 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. Any later than that and your corn salad may not have a chance to really do well. You can get started a couple of weeks earlier by starting your corn salad indoors.

Last Frost Date

The average date of last frost is April 15 in Piedmont. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Piedmont may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Piedmont you get a frost after April 15 be ready to protect your corn salad in the event of one of those late frosts.

USDA Zone Info for Piedmont

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Piedmont

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