Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant dallas fern in Charleston should be determined by reviewing the USDA zone info.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since dallas fern require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dallas fern in 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 dallas fern and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dallas fern may not have a chance to fully mature. Starting your dallas fern indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Charleston the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Charleston is not always accurate 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 dallas fern in the event of 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.