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

You will be able to figure out when you can plant copperleaf by looking at the USDA zone info for Bartlesville.

Planting Calendar for Copperleaf

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

It's not a good idea to plant copperleaf until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant copperleaf in Bartlesville 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 fully mature. If you are starting your copperleaf indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Bartlesville the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Bartlesville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Bartlesville you get surprised by a frost after April 15 so just be sure to be ready to cover your copperleaf in the event of a surprise late frost.

USDA Zone Info for Bartlesville

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 Bartlesville

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