Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when it's a good idea to plant corn salad by reviewing the USDA zone info for Columbus.

Planting Calendar for Corn salad

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

Corn salad do not do well in cold weather which tells us that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant corn salad in Columbus 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 little bit earlier by starting your corn salad indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Columbus. In the coldest months of winter you can expect an average low temperature of -20°F.

Remember that USDA zone info for Columbus is just an average and the actual date of last frost changes from year to year. Half of the time in Columbus there is a last frost after April 15 so be sure to be ready to cover your corn salad in the event of one of those late frosts.

USDA Zone Info for Columbus

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Columbus

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