When to Plant Centaurea in University Park, 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 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 centaurea in University Park can be determined by looking at 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.

You can plant centaurea just a bit earlier in the year because they are moderately cold tolerant.

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 University Park 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. If you wait any later than that and your centaurea may not have a chance to fully mature. Starting your centaurea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in University Park. You can expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for University Park is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in University Park last frost occurs after April 15 so make sure that you are ready to cover your centaurea if you have a surprise late frost.

USDA Zone Info for University Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in University Park

You may be interested in your other planting guides for University Park.