The USDA Zone info is a great tool for gardeners to help us figure out 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 potatos in Erwin should be determined by referring to 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 has passed.

It's a bad idea to plant sweet potatos until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant sweet potatos in Erwin 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 grow to maturity. Starting your sweet potatos indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Erwin. It might get as low as 0°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Erwin and it is different every year. Since half of the time in Erwin last frost occurs after April 15 be ready to protect your sweet potatos in the event of a late frost.

USDA Zone Info for Erwin

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Erwin

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