The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 it's possible to plant calliopsis by looking at the USDA zone info for Wapakoneta.

Planting Calendar for Calliopsis

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

Since calliopsis require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant calliopsis in Wapakoneta 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 calliopsis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calliopsis may not have a chance to grow to maturity. You can get started a little bit earlier by starting your calliopsis indoors.

Last Frost Date

The average date of last frost is April 15 in Wapakoneta. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Wapakoneta is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Wapakoneta it frosts late in the year after April 15 so just be sure to be ready to cover your calliopsis in the event of a late frost.

USDA Zone Info for Wapakoneta

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 Wapakoneta

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