One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant canna in Tinley Park should be figured out by using the USDA zone info.

Planting Calendar for Canna

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

Since canna are not cold tolerant it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant canna in Tinley 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 really do well. You can get started a couple of weeks earlier by starting your canna indoors.

Last Frost Date

On average the last frost has passed 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 not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Tinley Park you get surprised by a frost after April 15 so make sure that you are prepared to cover your canna in the event of a 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.