One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant corn is to consult the USDA zone info for Maryville.

Planting Calendar for Corn

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

Since corn require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant corn in Maryville 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 really do well. Starting your corn indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Maryville the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Maryville is an average and the actual date of last frost will vary from year to year. Since half of the time in Maryville it frosts late in the year after April 15 be ready to cover your corn in the event of a surprise late frost.

USDA Zone Info for Maryville

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 Maryville

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