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.

In Costa Mesa you can figure out when it's a good idea to plant peanut 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.

It's not a good idea to plant peanut until after the last frost because they require warm weather.

The earliest that you can plant peanut in Costa Mesa 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. You probably don't want to wait any later than that or else your peanut may not have a chance to really do well. You can get started a few weeks earlier by starting your peanut indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Costa Mesa. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Costa Mesa is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Costa Mesa there is a last frost after January 31 be ready to protect your peanut in the event of one of those late frosts.

USDA Zone Info for Costa Mesa

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Costa Mesa

You may be interested in your other planting guides for Costa Mesa.