Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when you can plant campanula is to consult the USDA zone info for Walterboro.

Planting Calendar for Campanula

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

Since campanula do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

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

Last Frost Date

The average date of last frost is March 15 in Walterboro. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Walterboro is not always accurate and 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 campanula in the event of 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.