When to Plant Coreopsis in Antioch, IL

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant coreopsis in Antioch can be estimated by checking out the USDA zone info.

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Planting Calendar for Coreopsis

Frost tolerance for coreopsis: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Coreopsis do well in a little bit of cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant coreopsis in Antioch is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant coreopsis and expect a good harvest is probably September. Any later than that and your coreopsis may not have a chance to really do well. Starting your coreopsis indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Antioch. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Antioch is just an average and the actual date of last frost is different every year. Since half of the time in Antioch there is a last frost after April 15 be ready to protect your coreopsis in the event of one of those late frosts.

USDA Zone Info for Antioch

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 Antioch

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