One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant calliopsis in Forest City should be figured out by using the USDA zone info.

Planting Calendar for Calliopsis

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

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

The earliest that you can plant calliopsis in Forest City 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 really do well. If you are starting your calliopsis indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Forest City. In the coldest months of winter you should expect an average low temperature of 5°F.

Remember that USDA zone info for Forest City is just an average and the actual date of last frost changes from year to year. Half of the time in Forest City there is a last frost after April 15 so always be ready to protect your calliopsis if you have a late frost.

USDA Zone Info for Forest City

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Forest City

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