The USDA Zone info is a great tool for gardeners to help us determine 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 earliest that you can plant peas in San Marino should be figured out by referring to 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.

You can plant peas much earlier in the year because they are very cold tolerant.

The earliest that you can plant peas in San Marino 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. If you wait any later than that and your peas may not have a chance to really do well. If you are starting your 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 January 31 in San Marino. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Marino may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in San Marino it frosts late in the year after January 31 so make sure that you are ready to cover your peas in the event of a surprise late frost.

USDA Zone Info for San Marino

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 San Marino

You may be interested in your other planting guides for San Marino.