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.

A way of determining when it's the best time to plant peanut is to look at the USDA zone info for San Luis.

Planting Calendar for Peanut

Frost tolerance for peanut:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant peanut until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant peanut in San Luis is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant peanut and expect a good harvest is probably September. If you wait any later than that and 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 has passed is on January 31 in San Luis. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Luis and it will vary from year to year. Since half of the time in San Luis you get a frost after January 31 be ready to protect your peanut if you have a surprise late frost.

USDA Zone Info for San Luis

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Luis

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