The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant roses by looking at the USDA zone info for Sulphur.

Planting Calendar for Roses

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

Roses do well in moderate cold which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant roses 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 roses and expect a good harvest is probably October. You probably don't want to wait any later than that or else your roses may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your roses indoors.

Last Frost Date

The average date of last frost is February 15 in Sulphur. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Sulphur is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Sulphur there is a last frost after February 15 be ready to protect your roses 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.