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.

You can figure out when it's possible to plant gomphrena in North Charleston by referring to the USDA zone info.

Planting Calendar for Gomphrena

Frost tolerance for gomphrena:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gomphrena do ok in some cold which means that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant gomphrena in North Charleston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gomphrena and expect a good harvest is probably August. If you wait any later than that and your gomphrena may not have a chance to really do well. You can get started a couple of weeks earlier by starting your gomphrena indoors.

Last Frost Date

The average date of last frost is March 15 in North Charleston. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for North Charleston is just an average the actual date of last frost changes from year to year. Half of the time in North Charleston it frosts late in the year after March 15 so make sure that you are prepared to cover your gomphrena in the event of a late frost.

USDA Zone Info for North Charleston

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in North Charleston

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