One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's the best time to plant browallia is to check out the USDA zone info for Brownsville.

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 the last frost because they are not cold tolerant.

The earliest that you can plant browallia in Brownsville 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 grow to maturity. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

In Brownsville the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Brownsville is an average and the actual date of last frost is different every year. Since half of the time in Brownsville there is a last frost after April 15 be ready to cover your browallia in the event of a late frost.

USDA Zone Info for Brownsville

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 Brownsville

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