Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Smyrna you can figure out when it's a good idea to plant sweet potatos by reviewing the USDA zone info.

Planting Calendar for Sweet Potatos

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

It's a bad idea to plant sweet potatos until after the last frost because they are not cold tolerant.

The earliest that you can plant sweet potatos in Smyrna 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. 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

In Smyrna the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Remember that USDA zone info for Smyrna may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Smyrna you get surprised by a frost after April 15 so make sure that you are prepared to cover your sweet potatos if you have one of those late frosts.

USDA Zone Info for Smyrna

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 Smyrna

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