The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant sweet corn in Roswell can be determined by checking out the USDA zone info.

Planting Calendar for Sweet corn

Frost tolerance for sweet corn:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweet corn do ok in moderate cold which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant sweet corn in Roswell 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 sweet corn and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sweet corn may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet corn indoors.

Last Frost Date

The average date of last frost is April 15 in Roswell. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Roswell is not always accurate and the actual date of last frost is different every year. Half of the time in Roswell last frost occurs after April 15 so be sure to be ready to cover your sweet corn if you have a late frost.

USDA Zone Info for Roswell

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Roswell

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