The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Joplin you will be able to estimate when you can plant sweet potato vine.

Planting Calendar for Sweet Potato Vine

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

Since sweet potato vine require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant sweet potato vine in Joplin 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 potato vine and expect a good harvest is probably August. Any later than that and your sweet potato vine may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sweet potato vine indoors.

Last Frost Date

On average the last frost is on April 15 in Joplin. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Joplin is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Joplin you get surprised by a frost after April 15 be ready to cover your sweet potato vine in the event of a late frost.

USDA Zone Info for Joplin

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Joplin

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