One of the best tools that you have as gardeners to help us figure out 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.

By checking out the USDA zone info for San Bruno it's possible to determine when it's a good idea to plant savoy cabbage.

Planting Calendar for Savoy cabbage

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

Since savoy cabbage do well in cold you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant savoy cabbage in San Bruno 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. If you wait any later than that and your savoy cabbage may not have a chance to really do well. Starting your savoy cabbage indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in San Bruno. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for San Bruno is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in San Bruno you get surprised by a frost after January 31 so be sure to be ready to protect your savoy cabbage in the event of a late frost.

USDA Zone Info for San Bruno

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 Bruno

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