One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for San Bernardino it's possible to figure out when it's the best time to plant pea.

Planting Calendar for Pea

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

Since pea are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pea 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 pea and expect a good harvest is probably October. You probably don't want to wait any later than that or else your pea may not have a chance to fully mature. Starting your pea indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in San Bernardino. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for San Bernardino is just an average the actual date of last frost is different every year. Half of the time in San Bernardino you get a frost after February 15 so make sure that you are ready to cover your pea in the event of a surprise 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.