The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lafayette you can figure out when it's possible to plant sweet potatos by checking out 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 require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Lafayette 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. Starting your sweet potatos indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lafayette. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Lafayette is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Lafayette you get a frost after April 15 so just be sure to be ready to protect your sweet potatos if you have one of those late frosts.

USDA Zone Info for Lafayette

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 Lafayette

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