Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for North Charleston you should be able to figure out when to plant snapdragons.

Planting Calendar for Snapdragons

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

Snapdragons tend to make it in mild cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

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

The last month that you can plant snapdragons and expect a good harvest is probably September. If you wait any later than that and your snapdragons may not have a chance to fully mature. Starting your snapdragons indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for North Charleston is an average the actual date of last frost can change quite a bit from year to year. Half of the time in North Charleston it frosts late in the year after March 15 so be sure to be ready to protect your snapdragons in the event of a surprise 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.