The USDA Zone info is a great tool for gardeners to help us determine 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.

One way of getting a good idea when it's a good idea to plant browallia is to refer to the USDA zone info for Addison.

Planting Calendar for Browallia

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

It's probably a bad idea to plant browallia until after the last frost has passed because they require warm weather.

The earliest that you can plant browallia in Addison 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. Any later than that and your browallia may not have a chance to fully mature. 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

On average the last frost is on March 15 in Addison. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Addison is not always accurate the actual date of last frost changes from year to year. Since half of the time in Addison you get surprised by a frost after March 15 be ready to cover your browallia if you have one of those late frosts.

USDA Zone Info for Addison

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Addison

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