The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. 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 Sunnyvale should be read to estimate when you can plant snow peas.

Planting Calendar for Snow peas

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

You can plant snow peas earlier in the year because they do well in cold.

The earliest that you can plant snow peas in Sunnyvale 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. If you wait 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 all chance of frost has passed is on February 15 in Sunnyvale. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Sunnyvale may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Sunnyvale last frost occurs after February 15 so make sure that you are ready to protect your snow peas in the event of one of those late frosts.

USDA Zone Info for Sunnyvale

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 Sunnyvale

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