One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant copperleaf is to use the USDA zone info for Forest Park.

Planting Calendar for Copperleaf

Frost tolerance for copperleaf:	Not tolerant of frost.
When to plant:	After the last frost.

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

The earliest that you can plant copperleaf in Forest Park 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. Any later than that and 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 Forest Park. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Forest Park 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 Forest Park there is a last frost after April 15 be ready to protect your copperleaf in the event of one of those late frosts.

USDA Zone Info for Forest Park

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 Forest Park

You may be interested in your other planting guides for Forest Park.