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 flower-of-an-hour in Walterboro can be determined by checking out the USDA zone info.

Planting Calendar for Flower-of-an-Hour

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

Flower-of-an-Hour do ok in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant flower-of-an-hour in Walterboro 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 flower-of-an-hour and expect a good harvest is probably August. Any later than that and your flower-of-an-hour may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your flower-of-an-hour indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Walterboro. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Walterboro is not always accurate the actual date of last frost is different every year. Since half of the time in Walterboro it frosts late in the year after March 15 be ready to protect your flower-of-an-hour if you have one of those late frosts.

USDA Zone Info for Walterboro

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 Walterboro

You may be interested in your other planting guides for Walterboro.