The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant gaillardia in Sulphur should be estimated by reviewing the USDA zone info.

Planting Calendar for Gaillardia

Frost tolerance for gaillardia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant gaillardia slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant gaillardia in Sulphur 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 gaillardia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your gaillardia may not have a chance to grow to maturity. Starting your gaillardia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Sulphur. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Sulphur may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Sulphur you get a frost after February 15 be ready to cover your gaillardia in the event of a late frost.

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.