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

In San Diego you can estimate when it's the best time to plant brunfelsia by referring to the USDA zone info.

Planting Calendar for Brunfelsia

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

Since brunfelsia do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant brunfelsia in San Diego 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 brunfelsia and expect a good harvest is probably September. Any later than that and your brunfelsia may not have a chance to fully mature. Starting your brunfelsia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for San Diego is not always accurate the actual date of last frost changes from year to year. Since half of the time in San Diego it frosts late in the year after January 31 be ready to protect your brunfelsia in the event of a surprise late frost.

USDA Zone Info for San Diego

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 Diego

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