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When to Plant Campanula in Schuylkill Haven, PA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's possible to plant campanula by looking at the USDA zone info for Schuylkill Haven.


Planting Calendar for Campanula

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

Campanula are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant campanula
Possibly ok, but a risky time to plant campanula
Probably not a good time to plant campanula

The earliest that you can plant campanula in Schuylkill Haven 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. Any later than that and your campanula may not have a chance to grow to maturity. If you are starting your campanula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Schuylkill Haven the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Schuylkill Haven may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Schuylkill Haven last frost occurs after April 15 so make sure that you are prepared to cover your campanula if you have one of those late frosts.

USDA Zone Info for Schuylkill Haven

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 Low0°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 Schuylkill Haven

You may be interested in your other planting guides for Schuylkill Haven.