Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when to plant browallia by using the USDA zone info for Shelbyville.

Planting Calendar for Browallia

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

Since browallia require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant browallia in Shelbyville 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. Starting your browallia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Shelbyville. In the coldest months of winter you should expect an average low temperature of 0°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Shelbyville and it changes from year to year. Half of the time in Shelbyville there is a last frost after April 15 so be sure to be ready to protect your browallia in the event of a surprise late frost.

USDA Zone Info for Shelbyville

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 Shelbyville

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