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.

The first opportunity to plant sweet potatos in Southampton should be estimated 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 has passed.

Since sweet potatos are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant sweet potatos in Southampton 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. You probably don't want to wait any later than that or else your sweet potatos may not have a chance to really do well. Starting your sweet potatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Southampton the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Southampton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Southampton it frosts late in the year after April 15 be ready to protect your sweet potatos in the event of a surprise late frost.

USDA Zone Info for Southampton

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 Southampton

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