When can I plant Firebush in Alton, IL

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

The first chance to plant firebush in Alton can be estimated by using the USDA zone info.


Planting Calendar for Firebush

Frost tolerance for firebush: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

Firebush require warm weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant firebush
Possibly ok, but a risky time to plant firebush
Probably not a good time to plant firebush

The earliest that you can plant firebush in Alton 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. If you wait any later than that and your firebush may not have a chance to really do well. Starting your firebush indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Alton the average date of last frost happens on April 15. In the coldest months of winter we can expect an average low temperature of -10°F.

Remember that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Alton and it will vary from year to year. Since half of the time in Alton there is a last frost after April 15 be ready to protect your firebush if we have a late frost.

USDA Zone Info for Alton

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 Alton

You may be interested in our other planting guides for Alton.