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.

A common way of estimating when it's possible to plant field peas is to look at the USDA zone info for Costa Mesa.

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 are one of those plants that can tolerate a little bit of cold weather which means that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant field peas in Costa Mesa 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. You probably don't want to wait any later than that or else your field peas may not have a chance to really do well. Starting your field peas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Costa Mesa. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for Costa Mesa may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Costa Mesa it frosts late in the year after January 31 so make sure that you are prepared to protect your field peas if you have a late frost.

USDA Zone Info for Costa Mesa

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Costa Mesa

You may be interested in your other planting guides for Costa Mesa.