The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Chula Vista you can figure out when to plant browallia by looking at the USDA zone info.

Planting Calendar for Browallia

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

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

The earliest that you can plant browallia in Chula Vista 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. If you wait any later than that and your browallia may not have a chance to fully mature. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

On average the last frost is on January 31 in Chula Vista. You can expect an average low temperature of 35°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Chula Vista and it changes from year to year. Since half of the time in Chula Vista there is a last frost after January 31 be ready to protect your browallia if you have one of those late frosts.

USDA Zone Info for Chula Vista

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 Chula Vista

You may be interested in your other planting guides for Chula Vista.