One of the first steps you take when you are making a decision about your gardening schedule is find your 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 should be reviewed to estimate when to plant candytuft.

Planting Calendar for Candytuft

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

Candytuft do well in mild cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant candytuft 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 candytuft and expect a good harvest is probably October. You probably don't want to wait any later than that or else your candytuft may not have a chance to grow to maturity. If you are starting your candytuft indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Charleston. In the coldest months of winter you should expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Charleston is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Charleston you get surprised by a frost after February 15 be ready to cover your candytuft in the event of 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.