One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for San Fernando should be reviewed to figure out when to plant browallia.

Planting Calendar for Browallia

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

You really shouldn't plant browallia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant browallia in San Fernando 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 browallia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your browallia may not have a chance to really do well. If you are starting your browallia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In San Fernando the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Fernando is just an average the actual date of last frost changes from year to year. Half of the time in San Fernando you get surprised by a frost after January 31 so make sure that you are prepared to cover your browallia in the event of a late frost.

USDA Zone Info for San Fernando

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 Fernando

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