Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Kingsville you will be able to determine when it's the best time to plant sweet potatos.

Planting Calendar for Sweet Potatos

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

Since sweet potatos are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant sweet potatos in Kingsville 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 potatos and expect a good harvest is probably September. Any later than that and your sweet potatos may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sweet potatos indoors.

Last Frost Date

The average date of last frost is February 15 in Kingsville. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Kingsville is just an average and the actual date of last frost will vary from year to year. Half of the time in Kingsville you get a frost after February 15 so be sure to be ready to cover your sweet potatos if you have a surprise late frost.

USDA Zone Info for Kingsville

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 Kingsville

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