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.

A way of getting a good idea when it's a good idea to plant banana is to examine the USDA zone info for South San Francisco.

Planting Calendar for Banana

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

Since banana do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant banana 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 banana and expect a good harvest is probably September. If you wait any later than that and your banana may not have a chance to fully mature. If you are starting your banana indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for South San Francisco may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in South San Francisco last frost occurs after January 31 be ready to protect your banana if you have a surprise 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.