One of the first steps you take when you are determining 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 Florence you should be able to figure out when you can plant corn.

Planting Calendar for Corn

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

Corn require warm weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant corn in Florence 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 few weeks earlier by starting your corn indoors.

Last Frost Date

The average date of last frost is April 15 in Florence. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Florence is just an average the actual date of last frost will vary from year to year. Half of the time in Florence you get surprised by a frost after April 15 so make sure that you are prepared to cover your corn in the event of a surprise late frost.

USDA Zone Info for Florence

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Florence

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