When to Plant Fanflower in Flossmoor, IL

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.

The USDA zone info for Flossmoor can be used to determine when it's possible to plant fanflower.


Planting Calendar for Fanflower

Frost tolerance for fanflower: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

It's a bad idea to plant fanflower until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant fanflower in Flossmoor 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 fanflower and expect a good harvest is probably August. Any later than that and your fanflower may not have a chance to fully mature. You can get started a little bit earlier by starting your fanflower indoors.

Last Frost Date

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

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Flossmoor and it will vary from year to year. Half of the time in Flossmoor there is a last frost after April 15 so be sure to be ready to cover your fanflower if you have a late frost.

USDA Zone Info for Flossmoor

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Flossmoor

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