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

A common way of estimating when to plant firebush is to consult the USDA zone info for Carlinville.

Planting Calendar for Firebush

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

It's probably a bad idea to plant firebush until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant firebush in Carlinville 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 firebush and expect a good harvest is probably August. Any later than that and your firebush may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your firebush indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Carlinville. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Carlinville is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Carlinville it frosts late in the year after April 15 be ready to cover your firebush in the event of a late frost.

USDA Zone Info for Carlinville

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 Carlinville

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