The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when to plant campanula by reviewing the USDA zone info for Cudahy.

Planting Calendar for Campanula

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

Campanula do well in moderate cold which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant campanula in Cudahy 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. You probably don't want to wait any later than that or else your campanula may not have a chance to grow to maturity. You can get started a little bit earlier by starting your campanula indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Cudahy. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Cudahy is an average and the actual date of last frost is different every year. Half of the time in Cudahy there is a last frost after April 15 so be sure to be ready to cover your campanula in the event of a late frost.

USDA Zone Info for Cudahy

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Cudahy

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