One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Harriman you should be able to determine when it's possible to plant corn.

Planting Calendar for Corn

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

You should not plant corn until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant corn in Harriman 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. If you wait any later than that and your corn may not have a chance to fully mature. You can get started a little bit earlier by starting your corn indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Harriman. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Harriman is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Harriman there is a last frost after April 15 so make sure that you are prepared to protect your corn in the event of a surprise late frost.

USDA Zone Info for Harriman

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Harriman

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