One of the first steps you take when you are estimating 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.

One way of determining when it's the best time to plant sweet potato vine is to examine the USDA zone info for Kaplan.

Planting Calendar for Sweet Potato Vine

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

Since sweet potato vine do not do well in cold weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant sweet potato vine in Kaplan is March. However, you really should wait until April 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 September. Any later than that and your sweet potato vine may not have a chance to really do well. Starting your sweet potato vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Kaplan. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Kaplan is an average and the actual date of last frost will vary from year to year. Half of the time in Kaplan there is a last frost after February 15 so be sure to be ready to cover your sweet potato vine if you have one of those late frosts.

USDA Zone Info for Kaplan

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Kaplan

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