One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Cookeville it's possible to figure out when it's the best time to plant browallia.

Planting Calendar for Browallia

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

It's not a good idea to plant browallia until after the last frost has passed because they require warm weather.

The earliest that you can plant browallia in Cookeville 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. You probably don't want to wait any later than that or else your browallia may not have a chance to fully mature. You can get started a little bit earlier by starting your browallia indoors.

Last Frost Date

The average date of last frost is April 15 in Cookeville. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Cookeville is an average the actual date of last frost changes from year to year. Half of the time in Cookeville you get surprised by a frost after April 15 so make sure that you are ready to protect your browallia if you have a late frost.

USDA Zone Info for Cookeville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Cookeville

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