One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's possible to plant heuchera by using the USDA zone info for Walterboro.

Planting Calendar for Heuchera

Frost tolerance for heuchera:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Heuchera tend to make it in a little bit of cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant heuchera in Walterboro is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant heuchera and expect a good harvest is probably September. You probably don't want to wait any later than that or else your heuchera may not have a chance to fully mature. You can get started a little bit earlier by starting your heuchera indoors.

Last Frost Date

In Walterboro the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 15°F.

Keep in mind that USDA zone info for Walterboro is not always accurate and the actual date of last frost changes from year to year. Half of the time in Walterboro last frost occurs after March 15 so be sure to be ready to cover your heuchera if you have a surprise late frost.

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.