Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's possible to plant field peas is to look at the USDA zone info for Vacaville.

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 do ok in mild cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant field peas in Vacaville 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 fully mature. If you are starting your field peas indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Vacaville the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Vacaville is an average the actual date of last frost is different every year. Half of the time in Vacaville you get surprised by a frost after February 15 so be sure to be ready to cover your field peas in the event of one of those late frosts.

USDA Zone Info for Vacaville

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 Vacaville

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