Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Sulphur you should be able to estimate when it's possible to plant carnation.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Carnation do well in cold weather which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant carnation in Sulphur is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably October. You probably don't want to wait any later than that or else your carnation may not have a chance to fully mature. You can get started a little bit earlier by starting your carnation indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Sulphur. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Sulphur is just an average and the actual date of last frost changes from year to year. Half of the time in Sulphur you get surprised by a frost after February 15 so make sure that you are ready to cover your carnation if you have one of those late frosts.

USDA Zone Info for Sulphur

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sulphur

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