One of the first steps you take when you are determining your gardening schedule is find your 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.

You should be able to determine when you can plant snow peas by using the USDA zone info for Santa Rosa.

Planting Calendar for Snow peas

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

Snow peas are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them much earlier than more sensitive plants.

The earliest that you can plant snow 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 snow peas and expect a good harvest is probably October. Any later than that and your snow peas may not have a chance to grow to maturity. If you are starting your snow peas 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 Santa Rosa. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Santa Rosa is an average the actual date of last frost is different every year. Since half of the time in Santa Rosa it frosts late in the year after February 15 be ready to cover your snow 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.