One of the best tools that you have as gardeners to help us estimate 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 figuring out when it's a good idea to plant peanut is to consult the USDA zone info for San Antonio.

Planting Calendar for Peanut

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

Since peanut do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant peanut in San Antonio 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 peanut and expect a good harvest is probably August. You probably don't want to wait any later than that or else your peanut may not have a chance to fully mature. If you are starting your peanut indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in San Antonio. In the coldest months of winter you can expect an average low temperature of 15°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for San Antonio and it changes from year to year. Half of the time in San Antonio there is a last frost after March 15 so always be ready to cover your peanut in the event of one of those late frosts.

USDA Zone Info for San Antonio

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in San Antonio

You may be interested in your other planting guides for San Antonio.