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.

By reviewing the USDA zone info for San Francisco you will be able to determine when to plant banana.

Planting Calendar for Banana

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

It's probably not a good idea to plant banana until after the last frost has passed because they require warm weather.

The earliest that you can plant banana in 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 really do well. Starting your banana indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on January 31 in San Francisco. In the coldest months of winter you should expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for San Francisco may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Francisco you get surprised by a frost after January 31 be ready to protect your banana in the event of a surprise late frost.

USDA Zone Info for San Francisco

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in San Francisco

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