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When to Plant Coral Bells in Lake Geneva, WI

One of the first steps you take when you are getting a good idea 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 best time to plant coral bells in Lake Geneva should be figured out by referring to the USDA zone info.


Planting Calendar for Coral Bells

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

Coral Bells can survive in a little bit of cold which means that you can plant them a little earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant coral bells
Possibly ok, but a risky time to plant coral bells
Probably not a good time to plant coral bells

The earliest that you can plant coral bells in Lake Geneva 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 coral bells and expect a good harvest is probably September. Any later than that and your coral bells may not have a chance to fully mature. If you are starting your coral bells indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Lake Geneva the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Lake Geneva and it can change quite a bit from year to year. Half of the time in Lake Geneva last frost occurs after April 15 so just be sure to be ready to protect your coral bells if you have one of those late frosts.

USDA Zone Info for Lake Geneva

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 Lake Geneva

You may be interested in your other planting guides for Lake Geneva.