When to Plant Campanula in Wisconsin Rapids, WI

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant campanula in Wisconsin Rapids can be determined by checking out 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.

Campanula tend to make it in mild cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

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 Wisconsin Rapids 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. You probably don't want to wait any later than that or else 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 couple of weeks earlier.

Last Frost Date

In Wisconsin Rapids the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Wisconsin Rapids and it is different every year. Since half of the time in Wisconsin Rapids last frost occurs after May 15 be ready to cover your campanula in the event of a surprise late frost.

USDA Zone Info for Wisconsin Rapids

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Wisconsin Rapids

You may be interested in your other planting guides for Wisconsin Rapids.