One of the best tools that you have as gardeners to help us determine 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 Covina should be read to estimate when it's a good idea to 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.

Since snow peas are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant snow peas in Covina 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. You can get started a little bit earlier by starting your snow peas indoors.

Last Frost Date

In Covina the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Covina is an average the actual date of last frost will vary from year to year. Half of the time in Covina it frosts late in the year after January 31 so be sure to be ready to protect your snow peas if you have a surprise late frost.

USDA Zone Info for Covina

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Covina

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