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

One way of figuring out when you can plant browallia is to use the USDA zone info for Wixom.

Planting Calendar for Browallia

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

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

The earliest that you can plant browallia in Wixom 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 really do well. You can get started a little bit earlier by starting your browallia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Wixom. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Wixom is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Wixom you get a frost after April 15 be ready to cover your browallia in the event of a late frost.

USDA Zone Info for Wixom

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 Wixom

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