Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's the best time to plant dahlberg daisy by referring to the USDA zone info for San Francisco.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's not a good idea to plant dahlberg daisy until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant dahlberg daisy 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 dahlberg daisy and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dahlberg daisy may not have a chance to fully mature. Starting your dahlberg daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for San Francisco is just an average and the actual date of last frost is different every year. Half of the time in San Francisco there is a last frost after January 31 so just be sure to be ready to protect your dahlberg daisy 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.