Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when you can plant brunfelsia by reviewing the USDA zone info for Prairie Du Chien.

Planting Calendar for Brunfelsia

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

Brunfelsia do not do well in cold weather which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant brunfelsia in Prairie Du Chien 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 brunfelsia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your brunfelsia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your brunfelsia indoors.

Last Frost Date

On average the last frost is on April 15 in Prairie Du Chien. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Prairie Du Chien may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Prairie Du Chien you get surprised by a frost after April 15 be ready to protect your brunfelsia if you have one of those late frosts.

USDA Zone Info for Prairie Du Chien

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Prairie Du Chien

You may be interested in your other planting guides for Prairie Du Chien.