One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 estimate when it's possible to plant forget-me-not in Charleston by looking at the USDA zone info.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant forget-me-not a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant forget-me-not in Charleston is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant forget-me-not and expect a good harvest is probably October. Any later than that and your forget-me-not may not have a chance to really do well. You can get started a couple of weeks earlier by starting your forget-me-not indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Charleston. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Charleston is just an average the actual date of last frost will vary from year to year. Since half of the time in Charleston there is a last frost after February 15 be ready to protect your forget-me-not if you have one of those late frosts.

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.