One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 should be able to figure out when it's a good idea to plant anise.

Planting Calendar for Anise

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

Anise are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant anise 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 anise and expect a good harvest is probably September. If you wait any later than that and your anise may not have a chance to really do well. Starting your anise 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.

It's important to remember that USDA zone info for San Francisco may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in San Francisco it frosts late in the year after January 31 be ready to cover your anise in the event of a 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.