Before planting it is a good idea to find your USDA Zone info to figure out 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.

It's possible to figure out when it's the best time to plant browallia by checking out the USDA zone info for Michigan City.

Planting Calendar for Browallia

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

Since browallia are not cold tolerant it's important to wait until after the last frost before you can plant them.

The earliest that you can plant browallia in Michigan City 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 grow to maturity. You can get started a little bit earlier by starting your browallia indoors.

Last Frost Date

On average the last frost is on April 15 in Michigan City. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Michigan City is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Michigan City you get surprised by a frost after April 15 be ready to protect your browallia if you have a late frost.

USDA Zone Info for Michigan City

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 Michigan City

You may be interested in your other planting guides for Michigan City.