One of the best tools that you have as gardeners to help us determine 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.

The best time to plant xerianthemum in Bluffton can be estimated by reviewing the USDA zone info.

Planting Calendar for Xerianthemum

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

Xerianthemum are barely cold tolerant which means that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant xerianthemum in Bluffton 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 xerianthemum and expect a good harvest is probably August. Any later than that and your xerianthemum may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your xerianthemum indoors.

Last Frost Date

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

Since the USDA zone info for Bluffton is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Bluffton it frosts late in the year after March 15 be ready to cover your xerianthemum if you have one of those late frosts.

USDA Zone Info for Bluffton

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 Bluffton

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