The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's the best time to plant gerbera in South San Francisco by reviewing the USDA zone info.

Planting Calendar for Gerbera

Frost tolerance for gerbera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant gerbera slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant gerbera 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 gerbera and expect a good harvest is probably September. You probably don't want to wait any later than that or else your gerbera may not have a chance to really do well. You can get started a little bit earlier by starting your gerbera indoors.

Last Frost Date

On average the last frost is on 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 USDA zone info for South San Francisco is an average and the actual date of last frost is different every year. Half of the time in South San Francisco there is a last frost after January 31 so make sure that you are ready to cover your gerbera if you have one of those late frosts.

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.