One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for San Francisco can be reviewed to determine when you can plant pea.

Planting Calendar for Pea

Frost tolerance for pea:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Pea can survive in quite a bit of cold which means that you can plant them earlier in the year than other frost tender plants.

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

The last month that you can plant pea and expect a good harvest is probably October. If you wait any later than that and your pea may not have a chance to grow to maturity. Starting your pea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in San Francisco. You can expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for San Francisco is not always accurate and the actual date of last frost is different every year. Half of the time in San Francisco you get surprised by a frost after January 31 so be sure to be ready to protect your pea if you have a surprise 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.