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

By looking at the USDA zone info for Waukegan it's a good idea to figure out 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 the last frost has passed.

Since copperleaf do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant copperleaf in Waukegan 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. If you wait any later than that and your copperleaf may not have a chance to really do well. You can get started a little bit earlier by starting your copperleaf indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Waukegan is not always accurate and the actual date of last frost changes from year to year. Half of the time in Waukegan you get a frost after April 15 so always be ready to protect your copperleaf if you have a surprise late frost.

USDA Zone Info for Waukegan

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Waukegan

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