Before planting it is a good idea to find your USDA Zone info to estimate 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 San Marino you can determine when it's the best time to plant black pepper by referring to the USDA zone info.

Planting Calendar for Black pepper

Frost tolerance for black pepper:	Not tolerant of frost.
When to plant:	After the last frost.

Black pepper are not cold tolerant which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant black pepper in San Marino is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant black pepper and expect a good harvest is probably September. You probably don't want to wait any later than that or else your black pepper may not have a chance to grow to maturity. If you are starting your black pepper 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 January 31 in San Marino. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for San Marino is not always accurate and the actual date of last frost will vary from year to year. Half of the time in San Marino it frosts late in the year after January 31 so always be ready to cover your black pepper 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.