One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when it's possible to plant balloon flower is to check out the USDA zone info for North Charleston.

Planting Calendar for Balloon Flower

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

Balloon Flower are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant balloon flower 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 balloon flower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your balloon flower may not have a chance to really do well. You can get started a little bit earlier by starting your balloon flower indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in North Charleston. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for North Charleston is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in North Charleston there is a last frost after March 15 be ready to protect your balloon flower if you have 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.