When to Plant Canna in Steger, 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 using the USDA zone info for Steger you should be able to estimate when it's the best time to plant canna.


Planting Calendar for Canna

Frost tolerance for canna: Not tolerant of frost.
When to plant: After the last frost has passed.

It's a bad idea to plant canna until after the last frost when the weather gets warmer because they do not do well in cold 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 Steger 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. You probably don't want to wait any later than that or else your canna may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your canna indoors.

Last Frost Date

On average the last frost is on April 15 in Steger. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Steger 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 Steger there is a last frost after April 15 be ready to cover your canna if you have a surprise late frost.

USDA Zone Info for Steger

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 Steger

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