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

The best time to plant borage in Sulphur can be estimated by using the USDA zone info.

Planting Calendar for Borage

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

Borage do well in moderate cold which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant borage 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 borage and expect a good harvest is probably October. If you wait any later than that and your borage may not have a chance to really do well. Starting your borage indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost 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 may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sulphur you get a frost after February 15 be ready to cover your borage 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.