One of the first steps you take when you are getting a good idea 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 checking out the USDA zone info for Riverside it's a good idea to determine when it's a good idea to plant field peas.

Planting Calendar for Field Peas

Frost tolerance for field peas:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Field Peas tend to make it in mild cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant field peas in Riverside 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 field peas and expect a good harvest is probably October. If you wait any later than that and your field peas may not have a chance to grow to maturity. Starting your field peas indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Riverside. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Riverside is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Riverside you get a frost after February 15 so make sure that you are ready to protect your field peas if you have one of those late frosts.

USDA Zone Info for Riverside

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 Riverside

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