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

In Idabel you can figure out when to plant centaurea 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.

Centaurea do ok in a little bit of cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant centaurea in Idabel 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. Any later than that and your centaurea may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your centaurea indoors.

Last Frost Date

On average the last frost is on March 15 in Idabel. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Idabel may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Idabel last frost occurs after March 15 so make sure that you are prepared to protect your centaurea if you have a surprise late frost.

USDA Zone Info for Idabel

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Idabel

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