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

A common way of determining when to plant centaurea is to use the USDA zone info for Kilgore.

Planting Calendar for Centaurea

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

Centaurea do well in moderate cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant centaurea in Kilgore 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. If you are starting your centaurea indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Kilgore. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Kilgore is an average the actual date of last frost will vary from year to year. Since half of the time in Kilgore there is a last frost after March 15 be ready to cover your centaurea if you have one of those late frosts.

USDA Zone Info for Kilgore

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Kilgore

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