One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lansing you can figure out when it's possible 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 when the weather gets warmer.

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

The earliest that you can plant sweet potatos in Lansing 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 really do well. You can get started a little bit earlier by starting your sweet potatos indoors.

Last Frost Date

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

Since the USDA zone info for Lansing is just an average the actual date of last frost is different every year. Since half of the time in Lansing there is a last frost after April 15 be ready to protect your sweet potatos in the event of one of those late frosts.

USDA Zone Info for Lansing

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 Lansing

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