The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Palo Alto should be reviewed to figure out when you can plant peas.

Planting Calendar for Peas

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

You can plant peas much earlier in the year because they are very cold tolerant.

The earliest that you can plant peas in Palo Alto 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 peas and expect a good harvest is probably October. Any later than that and your peas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your peas indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Palo Alto. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Palo Alto is not always accurate the actual date of last frost changes from year to year. Half of the time in Palo Alto last frost occurs after February 15 so make sure that you are prepared to cover your peas if you have a late frost.

USDA Zone Info for Palo Alto

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Palo Alto

You may be interested in your other planting guides for Palo Alto.