When to Plant Fanflower in Frankfort, IL

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's possible to plant fanflower by referring to the USDA zone info for Frankfort.


Planting Calendar for Fanflower

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

You really shouldn't plant fanflower until after the last frost because they require warm 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 Frankfort 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. You probably don't want to wait any later than that or else your fanflower may not have a chance to really do well. You can get started a few weeks earlier by starting your fanflower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Frankfort. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Frankfort is not always accurate and the actual date of last frost changes from year to year. Half of the time in Frankfort there is a last frost after April 15 so make sure that you are prepared to cover your fanflower in the event of one of those late frosts.

USDA Zone Info for Frankfort

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 Frankfort

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