The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when you can plant copperleaf by using the USDA zone info for Caldwell.

Planting Calendar for Copperleaf

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

Copperleaf do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant copperleaf in Caldwell 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 really do well. You can get started a couple of weeks earlier by starting your copperleaf indoors.

Last Frost Date

The average date of last frost is April 15 in Caldwell. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Caldwell is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Caldwell last frost occurs after April 15 be ready to protect your copperleaf in the event of one of those late frosts.

USDA Zone Info for Caldwell

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Caldwell

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