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

In Pottsville you can estimate when it's a good idea to plant campanula by reviewing the USDA zone info.

Planting Calendar for Campanula

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

Campanula are moderately cold tolerant which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant campanula in Pottsville 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 really do well. You can get started a few weeks earlier by starting your campanula indoors.

Last Frost Date

The average date of last frost is April 15 in Pottsville. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Pottsville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Pottsville it frosts late in the year after April 15 be ready to protect your campanula in the event of a late frost.

USDA Zone Info for Pottsville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Pottsville

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