One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Charleston can be looked at to estimate when it's a good idea to plant cabbage.

Planting Calendar for Cabbage

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

You can plant cabbage a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant 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 cabbage and expect a good harvest is probably October. Any later than that and your cabbage may not have a chance to grow to maturity. You can get started a little bit earlier by starting your cabbage indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Charleston. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Charleston is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Charleston it frosts late in the year after February 15 be ready to cover your cabbage if you have a late frost.

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.