When to Plant Peanut in San Marcos, CA

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

You can estimate when you can plant peanut in San Marcos by referring to the USDA zone info.


Planting Calendar for Peanut

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

Since peanut do not do well in cold weather it's necessary to wait until after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant peanut
Possibly ok, but a risky time to plant peanut
Probably not a good time to plant peanut

The earliest that you can plant peanut in San Marcos 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. Any later than that and your peanut may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your peanut indoors.

Last Frost Date

The average date of last frost is January 31 in San Marcos. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for San Marcos is an average and the actual date of last frost changes from year to year. Since half of the time in San Marcos there is a last frost after January 31 be ready to protect your peanut if you have a surprise late frost.

USDA Zone Info for San Marcos

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 Low30°F
Highest Expected Low35°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 Marcos

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