One of the first steps you take when you are determining your gardening schedule is find your 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 San Marino should be used to determine when it's possible to plant eggplants.

Planting Calendar for Eggplants

Frost tolerance for eggplants:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Eggplants are not cold tolerant which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant eggplants 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 eggplants and expect a good harvest is probably September. Any later than that and your eggplants may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your eggplants indoors.

Last Frost Date

The average date of last frost is January 31 in San Marino. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for San Marino is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Marino you get a frost after January 31 be ready to protect your eggplants if you have one of those late frosts.

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.