When to Plant Fanflower in Edwardsville, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Edwardsville you can figure out when it's a good idea to plant fanflower by looking at the USDA zone info.

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Planting Calendar for Fanflower

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

Since fanflower do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

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 Edwardsville 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 fully mature. You can get started a couple of weeks earlier by starting your fanflower indoors.

Last Frost Date

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

Since the USDA zone info for Edwardsville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Edwardsville it frosts late in the year after April 15 so make sure that you are prepared to cover your fanflower in the event of a surprise late frost.

USDA Zone Info for Edwardsville

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 Edwardsville

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