The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant browallia is to look at the USDA zone info for Coronado.

Planting Calendar for Browallia

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

It's a bad idea to plant browallia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant browallia in Coronado 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. Any later than that and your browallia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your browallia indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Coronado may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Coronado it frosts late in the year after January 31 so be sure to be ready to protect your browallia in the event of a surprise late frost.

USDA Zone Info for Coronado

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 Coronado

You may be interested in your other planting guides for Coronado.