When to Plant Pea in Rialto, CA

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.

In Rialto you can determine when you can plant pea by checking out the USDA zone info.


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 one of those plants that can tolerate quite a bit of cold weather you can plant them earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pea
Possibly ok, but a risky time to plant pea
Probably not a good time to plant pea

The earliest that you can plant pea in Rialto 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. You can get started a couple of weeks earlier by starting your pea indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Rialto. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Rialto is not always accurate the actual date of last frost is different every year. Half of the time in Rialto last frost occurs after January 31 so just be sure to be ready to protect your pea in the event of one of those late frosts.

USDA Zone Info for Rialto

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Rialto

You may be interested in your other planting guides for Rialto.