The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant sweet potato vine is to check out the USDA zone info for Tulsa.

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.

Since sweet potato vine are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant sweet potato vine in Tulsa 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 fully mature. Starting your sweet potato vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Tulsa the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Tulsa may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Tulsa you get surprised by a frost after April 15 be ready to protect your sweet potato vine if you have a late frost.

USDA Zone Info for Tulsa

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Tulsa

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