One of the first steps you take when you are figuring out 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.

By using the USDA zone info for Dayton you should be able to estimate when it's a good idea to plant corn.

Planting Calendar for Corn

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

It's probably a bad idea to plant corn until after the last frost because they do not do well in cold weather.

The earliest that you can plant corn in Dayton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant corn and expect a good harvest is probably September. Any later than that and your corn may not have a chance to really do well. Starting your corn indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Dayton. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Dayton and it can change quite a bit from year to year. Half of the time in Dayton you get surprised by a frost after February 15 so be sure to be ready to protect your corn if you have one of those late frosts.

USDA Zone Info for Dayton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Dayton

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