One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Red Wing you can determine when it's a good idea to plant sweet potato vine by reviewing the USDA zone info.

Planting Calendar for Sweet Potato Vine

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

You really shouldn't 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 Red Wing 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. If you wait any later than that and your sweet potato vine may not have a chance to really do well. You can get started a little bit earlier by starting your sweet potato vine indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Red Wing. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Red Wing is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Red Wing you get surprised by a frost after May 15 so always be ready to cover your sweet potato vine if you have one of those late frosts.

USDA Zone Info for Red Wing

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 Red Wing

You may be interested in your other planting guides for Red Wing.