When to Plant Coral Bells in Tinley Park, IL

The USDA Zone info is a great tool for gardeners to help us determine 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.

By referring to the USDA zone info for Tinley Park it's a good idea to figure out when to plant coral bells.


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 are moderately cold tolerant which means that you can plant them earlier than other plants that might not handle the cold.

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 Tinley Park 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. If you wait any later than that and your coral bells may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your coral bells indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Tinley Park. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Tinley Park is an average and the actual date of last frost will vary from year to year. Since half of the time in Tinley Park you get a frost after April 15 be ready to cover your coral bells if you have a surprise late frost.

USDA Zone Info for Tinley Park

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 Tinley Park

You may be interested in your other planting guides for Tinley Park.