One of the best tools that you have as gardeners to help us determine 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.

The best time to plant corn in Schuylkill Haven can be determined by reviewing the USDA zone info.

Planting Calendar for Corn

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

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 Schuylkill Haven 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. You probably don't want to wait any later than that or else your corn may not have a chance to grow to maturity. You can get started a little bit earlier by starting your corn indoors.

Last Frost Date

The average date of last frost is April 15 in Schuylkill Haven. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Schuylkill Haven is an average and the actual date of last frost is different every year. Half of the time in Schuylkill Haven last frost occurs after April 15 so make sure that you are prepared to cover your corn if you have a late frost.

USDA Zone Info for Schuylkill Haven

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Schuylkill Haven

You may be interested in your other planting guides for Schuylkill Haven.