One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In San Dimas you can figure out when it's possible to plant brunfelsia by looking at the USDA zone info.

Planting Calendar for Brunfelsia

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

Since brunfelsia require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant brunfelsia in San Dimas 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 really do well. You can get started a little bit earlier by starting your brunfelsia indoors.

Last Frost Date

The average date of last frost is January 31 in San Dimas. It might get as low as 30°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for San Dimas and it can change quite a bit from year to year. Half of the time in San Dimas you get a frost after January 31 so just be sure to be ready to cover your brunfelsia in the event of one of those late frosts.

USDA Zone Info for San Dimas

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Dimas

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