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.

The first chance to plant peas in San Bernardino should be figured out by using the USDA zone info.

Planting Calendar for Peas

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

Peas are very cold tolerant which means that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant peas in San Bernardino 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 grow to maturity. Starting your peas indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in San Bernardino. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for San Bernardino is just an average and the actual date of last frost will vary from year to year. Half of the time in San Bernardino you get a frost after February 15 so always be ready to cover your peas if you have a late frost.

USDA Zone Info for San Bernardino

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 San Bernardino

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