One of the first steps you take when you are estimating 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.

A way of figuring out when it's the best time to plant corn salad is to consult the USDA zone info for Marion.

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 require warm weather it is necessary to wait until after the last frost before you can plant them.

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

Last Frost Date

On average the last frost has passed is on April 15 in Marion. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Marion is not always accurate the actual date of last frost changes from year to year. Half of the time in Marion it frosts late in the year after April 15 so always be ready to protect your corn salad if you have a late frost.

USDA Zone Info for Marion

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 Marion

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