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

The best time to plant browallia in Dolton should be determined by using the USDA zone info.

Planting Calendar for Browallia

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

You can not plant browallia until after all chance of frost has passed because they do not do well in cold weather.

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

Last Frost Date

The average date of last frost is April 15 in Dolton. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Dolton is an average the actual date of last frost changes from year to year. Since half of the time in Dolton you get a frost after April 15 be ready to cover your browallia in the event of one of those late frosts.

USDA Zone Info for Dolton

Here is the info for USDA Zone 6a.

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

Plants to Grow in Dolton

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