One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

A common way of determining when it's the best time to plant sweet potatos is to look at the USDA zone info for Miamisburg.

Planting Calendar for Sweet Potatos

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

Sweet Potatos are not cold tolerant which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Miamisburg 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 sweet potatos and expect a good harvest is probably August. If you wait any later than that and your sweet potatos may not have a chance to fully mature. You can get started a few weeks earlier by starting your sweet potatos indoors.

Last Frost Date

The average date of last frost is April 15 in Miamisburg. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Miamisburg is an average and the actual date of last frost is different every year. Since half of the time in Miamisburg you get surprised by a frost after April 15 be ready to cover your sweet potatos in the event of a surprise late frost.

USDA Zone Info for Miamisburg

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 Miamisburg

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