Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when to plant candytuft by using the USDA zone info for San Francisco.

Planting Calendar for Candytuft

Frost tolerance for candytuft:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Candytuft do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant candytuft in San Francisco is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant candytuft and expect a good harvest is probably October. Any later than that and your candytuft may not have a chance to fully mature. If you are starting your candytuft indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for San Francisco is not always accurate the actual date of last frost will vary from year to year. Since half of the time in San Francisco it frosts late in the year after January 31 be ready to cover your candytuft 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.