One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Prairie Du Chien can be reviewed to estimate when it's the best time to plant copperleaf.

Planting Calendar for Copperleaf

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

Since copperleaf are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant copperleaf 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 copperleaf and expect a good harvest is probably August. You probably don't want to wait any later than that or else your copperleaf may not have a chance to fully mature. Starting your copperleaf indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Prairie Du Chien may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Prairie Du Chien last frost occurs after April 15 so always be ready to protect your copperleaf if you have a late frost.

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.