Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Patterson you can determine when it's a good idea to plant snow peas by checking out the USDA zone info.

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 very cold tolerant which tells us that you can start planting them much earlier than other frost tender plants.

The earliest that you can plant snow peas in Patterson 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. You probably don't want to wait any later than that or else your snow peas may not have a chance to fully mature. If you are starting your snow peas indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Patterson. You can expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Patterson and it will vary from year to year. Half of the time in Patterson last frost occurs after February 15 so be sure to be ready to protect your snow peas if you have a surprise late frost.

USDA Zone Info for Patterson

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 Patterson

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