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.

A way of determining when it's possible to plant sweet potato vine is to examine the USDA zone info for Cheyenne.

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 need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant sweet potato vine in Cheyenne 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. If you wait 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 little bit earlier.

Last Frost Date

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

Since the USDA zone info for Cheyenne is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Cheyenne there is a last frost after April 15 so make sure that you are ready to protect your sweet potato vine in the event of a late frost.

USDA Zone Info for Cheyenne

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Cheyenne

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