When can I plant Corn in Evanston, IL

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

In Evanston you can estimate when you can plant corn by looking at the USDA zone info.


Planting Calendar for Corn

Frost tolerance for corn: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

Since corn require warm weather you need to wait until after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant corn
Possibly ok, but a risky time to plant corn
Probably not a good time to plant corn

The earliest that you can plant corn in Evanston 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 and expect a good harvest is probably August. Any later than that and your corn may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your corn indoors.

Last Frost Date

In Evanston the average date of last frost happens on April 15. In the coldest months of winter we can expect an average low temperature of -15°F.

Always keep in mind that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Evanston and it will vary from year to year. Since half of the time in Evanston we get surprised by a frost after April 15 be ready to protect your corn in the event of a surprise late frost.

USDA Zone Info for Evanston

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 Evanston

You may be interested in our other planting guides for Evanston.