When to Plant Campanula in Madison Heights, MI

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 opportunity to plant campanula in Madison Heights should be estimated 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.

Campanula tend to make it in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

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 Madison Heights 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 grow to maturity. 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

On average the last frost is on April 15 in Madison Heights. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Madison Heights is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Madison Heights you get surprised by a frost after April 15 be ready to cover your campanula in the event of a surprise late frost.

USDA Zone Info for Madison Heights

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 Madison Heights

You may be interested in your other planting guides for Madison Heights.