One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

You can figure out when to plant sweet potatos in Lakeville 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 do not do well in cold weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Lakeville is May. However, you really should wait until June 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 fully mature. You can get started a few weeks earlier by starting your sweet potatos indoors.

Last Frost Date

The average date of last frost is May 15 in Lakeville. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Lakeville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Lakeville you get surprised by a frost after May 15 so always be ready to cover your sweet potatos if you have a late frost.

USDA Zone Info for Lakeville

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Lakeville

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