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.

A common way of estimating when to plant campanula is to consult the USDA zone info for Litchfield.

Planting Calendar for Campanula

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

Campanula tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant campanula in Litchfield 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 really do well. If you are starting your campanula indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Litchfield. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Litchfield is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Litchfield last frost occurs after April 15 be ready to cover your campanula in the event of a late frost.

USDA Zone Info for Litchfield

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Litchfield

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