When to Plant Campanula in Hugo, MN

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.

The USDA zone info for Hugo can be read to determine when you can plant campanula.

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Planting Calendar for Campanula

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

Campanula do ok in some cold which tells us that you can plant them a little 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 Hugo 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 few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Hugo. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Hugo may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Hugo it frosts late in the year after May 15 be ready to protect your campanula if you have a late frost.

USDA Zone Info for Hugo

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 Hugo

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