The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Charleston it's possible to determine when it's a good idea to plant brunfelsia.

Planting Calendar for Brunfelsia

Frost tolerance for brunfelsia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Brunfelsia are not cold tolerant which tells us that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant brunfelsia 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 brunfelsia and expect a good harvest is probably September. If you wait any later than that and your brunfelsia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your brunfelsia indoors.

Last Frost Date

The average date of last frost is February 15 in Charleston. In the coldest months of winter you can expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Charleston may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Charleston you get a frost after February 15 so make sure that you are ready to cover your brunfelsia if you have a surprise 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.