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 Rainbow City you can determine when you can plant browallia by checking out the USDA zone info.

Planting Calendar for Browallia

Frost tolerance for browallia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Browallia are not cold tolerant which means that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant browallia in Rainbow City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant browallia and expect a good harvest is probably August. 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 April 15 in Rainbow City. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Rainbow City is not always accurate the actual date of last frost changes from year to year. Since half of the time in Rainbow City you get surprised by a frost after April 15 be ready to protect your browallia in the event of a surprise late frost.

USDA Zone Info for Rainbow City

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Rainbow City

You may be interested in your other planting guides for Rainbow City.