Before planting it is a good idea to find your USDA Zone info to estimate 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.

The best time to plant red cabbage in Charleston should be determined by using the USDA zone info.

Planting Calendar for Red cabbage

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

You can plant red cabbage quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant red cabbage in Charleston 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 red cabbage and expect a good harvest is probably October. You probably don't want to wait any later than that or else your red cabbage may not have a chance to fully mature. If you are starting your red cabbage indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Charleston the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Charleston may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Charleston you get a frost after February 15 so be sure to be ready to cover your red cabbage if you have one of those late frosts.

USDA Zone Info for Charleston

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 Charleston

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