When to Plant Canna in Franklin Park, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant canna in Franklin Park can be determined by looking at the USDA zone info.


Planting Calendar for Canna

Frost tolerance for canna: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

It's not a good idea to plant canna until after the last frost when the weather gets warmer because they require warm weather.

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

The earliest that you can plant canna in Franklin Park is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant canna and expect a good harvest is probably August. If you wait any later than that and your canna may not have a chance to fully mature. You can get started a few weeks earlier by starting your canna indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Franklin Park. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Franklin Park is not always accurate and the actual date of last frost changes from year to year. Half of the time in Franklin Park you get a frost after April 15 so just be sure to be ready to protect your canna if you have one of those late frosts.

USDA Zone Info for Franklin 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 Franklin Park

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