frostdate name logo in white
frostdate name logo in white

When to Plant Centaurea in Fairview Heights, IL

One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

In Fairview Heights you can figure out when it's the best time to plant centaurea by using the USDA zone info.


Planting Calendar for Centaurea

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

Centaurea are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than other frost tender plants.

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

The earliest that you can plant centaurea in Fairview Heights 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 centaurea and expect a good harvest is probably September. You probably don't want to wait any later than that or else your centaurea may not have a chance to grow to maturity. Starting your centaurea indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Fairview Heights. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Fairview Heights is an average and the actual date of last frost will vary from year to year. Half of the time in Fairview Heights it frosts late in the year after April 15 so be sure to be ready to cover your centaurea if you have a late frost.

USDA Zone Info for Fairview Heights

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Fairview Heights

You may be interested in your other planting guides for Fairview Heights.