The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's a good idea to plant corn salad is to use the USDA zone info for Derby.

Planting Calendar for Corn salad

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

It's not a good idea to plant corn salad until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant corn salad in Derby 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 fully mature. You can get started a couple of weeks earlier by starting your corn salad indoors.

Last Frost Date

In Derby the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Derby is just an average and the actual date of last frost will vary from year to year. Since half of the time in Derby it frosts late in the year after April 15 be ready to cover your corn salad in the event of one of those late frosts.

USDA Zone Info for Derby

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Derby

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