Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Kansas City you can figure out when 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.

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

The earliest that you can plant campanula in Kansas City 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. If you are starting your campanula indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Kansas City. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Kansas City is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Kansas City you get surprised by a frost after April 15 be ready to cover your campanula if you have a late frost.

USDA Zone Info for Kansas City

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 Kansas City

You may be interested in your other planting guides for Kansas City.