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.

It's possible to determine when it's possible to plant sweet potatos by reviewing the USDA zone info for Katy.

Planting Calendar for Sweet Potatos

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

You can not plant sweet potatos until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant sweet potatos in Katy 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. If you wait any later than that and your sweet potatos may not have a chance to really do well. You can get started a couple of weeks earlier by starting your sweet potatos indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Katy. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Katy is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Katy last frost occurs after February 15 so be sure to be ready to cover your sweet potatos if you have one of those late frosts.

USDA Zone Info for Katy

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 Katy

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