One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant savoy cabbage is to consult the USDA zone info for South San Francisco.

Planting Calendar for Savoy cabbage

Frost tolerance for savoy cabbage:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Savoy cabbage do well in cold which means that you can plant them much earlier than other plants that might not handle the cold.

The earliest that you can plant savoy cabbage in South San Francisco 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 savoy cabbage and expect a good harvest is probably October. Any later than that and your savoy cabbage may not have a chance to really do well. You can get started a little bit earlier by starting your savoy cabbage indoors.

Last Frost Date

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

It's important to remember that USDA zone info for South San Francisco is an average and the actual date of last frost changes from year to year. Half of the time in South San Francisco it frosts late in the year after January 31 so make sure that you are prepared to cover your savoy cabbage 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.