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

The USDA zone info for Morris should be looked at to determine when you can plant campanula.

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 a little bit of 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 Morris is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant campanula and expect a good harvest is probably August. If you wait any later than that and your campanula may not have a chance to really do well. Starting your campanula indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Morris. In the coldest months of winter you can expect an average low temperature of -30°F.

Always keep in mind that USDA zone info for Morris may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Morris it frosts late in the year after May 15 so make sure that you are ready to cover your campanula in the event of a surprise late frost.

USDA Zone Info for Morris

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Morris

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