One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant elephant ears in South San Francisco should be estimated by using the USDA zone info.

Planting Calendar for Elephant Ears

Frost tolerance for elephant ears:	Not tolerant of frost.
When to plant:	After the last frost.

Elephant Ears do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant elephant ears in South San Francisco 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 elephant ears and expect a good harvest is probably September. Any later than that and your elephant ears may not have a chance to grow to maturity. You can get started a little bit earlier by starting your elephant ears indoors.

Last Frost Date

The average date of last frost is January 31 in South San Francisco. You can expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for South San Francisco and it can change quite a bit from year to year. Half of the time in South San Francisco last frost occurs after January 31 so always be ready to cover your elephant ears in the event of a late frost.

USDA Zone Info for South San Francisco

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 South San Francisco

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