One of the first steps you take when you are getting a good idea 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.

You will be able to estimate when it's possible to plant sweet potato vine by checking out the USDA zone info for La Crescent.

Planting Calendar for Sweet Potato Vine

Frost tolerance for sweet potato vine:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant sweet potato vine until after the last frost has passed because they require warm weather.

The earliest that you can plant sweet potato vine in La Crescent 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 potato vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sweet potato vine may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet potato vine indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in La Crescent. In the coldest months of winter you should expect an average low temperature of -25°F.

Remember that USDA zone info for La Crescent is not always accurate and the actual date of last frost changes from year to year. Since half of the time in La Crescent last frost occurs after May 15 be ready to cover your sweet potato vine in the event of a late frost.

USDA Zone Info for La Crescent

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 La Crescent

You may be interested in your other planting guides for La Crescent.