The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Romeoville you can determine when you can plant corn salad by checking out the USDA zone info.

Planting Calendar for Corn salad

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

You should not plant corn salad until after the last frost has passed because they require warm weather.

The earliest that you can plant corn salad in Romeoville 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 fully mature. You can get started a little bit earlier by starting your corn salad indoors.

Last Frost Date

The average date of last frost is April 15 in Romeoville. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Romeoville may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Romeoville last frost occurs after April 15 so make sure that you are prepared to cover your corn salad if you have a surprise late frost.

USDA Zone Info for Romeoville

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Romeoville

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