One of the best tools that you have as gardeners to help us determine 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 checking out the USDA zone info for San Francisco you will be able to determine when it's possible to plant peanut.

Planting Calendar for Peanut

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

Since peanut are not cold tolerant you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant peanut in San Francisco 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. You can get started a little bit earlier by starting your peanut indoors.

Last Frost Date

In San Francisco the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Keep in mind that USDA zone info for San Francisco may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in San Francisco you get surprised by a frost after January 31 be ready to protect your peanut in the event of a late frost.

USDA Zone Info for San Francisco

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 San Francisco

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