The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Santa Rosa you can determine when to plant peas by looking at the USDA zone info.

Planting Calendar for Peas

Frost tolerance for peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Peas do ok in cold weather which means that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant peas in Santa Rosa 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 peas and expect a good harvest is probably October. You probably don't want to wait any later than that or else your peas may not have a chance to fully mature. You can get started a few weeks earlier by starting your peas indoors.

Last Frost Date

The average date of last frost is February 15 in Santa Rosa. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Santa Rosa may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Santa Rosa last frost occurs after February 15 so make sure that you are ready to protect your peas in the event of one of those late frosts.

USDA Zone Info for Santa Rosa

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 Santa Rosa

You may be interested in your other planting guides for Santa Rosa.