One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Ukiah should be reviewed to determine 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.

Pea tend to make it in a bit of cold which tells us that you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant pea in Ukiah 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. Any later than that and your pea may not have a chance to fully mature. If you are starting your pea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Ukiah. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Ukiah may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Ukiah it frosts late in the year after February 15 so always be ready to protect your pea in the event of a late frost.

USDA Zone Info for Ukiah

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Ukiah

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