One of the first steps you take when you are making a decision about your gardening schedule is find your 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 it's possible to figure out when you can plant nolana.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since nolana require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nolana 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 nolana and expect a good harvest is probably September. Any later than that and your nolana may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your nolana indoors.

Last Frost Date

In San Francisco the average date of last frost happens on January 31. You can expect an average low temperature of 35°F in the coldest months of winter.

Always keep in mind that USDA zone info for San Francisco is an average and the actual date of last frost changes from year to year. Half of the time in San Francisco there is a last frost after January 31 so always be ready to protect your nolana if you have one of those late frosts.

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.