One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Las Cruces it's a good idea to determine when 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.

It's not a good idea to plant sweet potatos until after the last frost because they do not do well in cold weather.

The earliest that you can plant sweet potatos in Las Cruces 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 potatos and expect a good harvest is probably August. 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 few weeks earlier by starting your sweet potatos indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Las Cruces. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Las Cruces and it changes from year to year. Since half of the time in Las Cruces last frost occurs after March 15 be ready to cover your sweet potatos in the event of one of those late frosts.

USDA Zone Info for Las Cruces

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Las Cruces

You may be interested in your other planting guides for Las Cruces.