Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Tell City you can estimate when you can plant centaurea by referring to 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 a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant centaurea in Tell City 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 really do well. Starting your centaurea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Tell City. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Tell City may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Tell City it frosts late in the year after April 15 so be sure to be ready to cover your centaurea in the event of a surprise late frost.

USDA Zone Info for Tell City

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 Low	0°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 Tell City

You may be interested in your other planting guides for Tell City.