Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when you can plant canna in Des Plaines 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.

You can not plant canna until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant canna in Des Plaines 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. Any later than that and your canna may not have a chance to grow to maturity. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

The average date of last frost is April 15 in Des Plaines. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Des Plaines may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Des Plaines last frost occurs after April 15 be ready to cover your canna in the event of one of those late frosts.

USDA Zone Info for Des Plaines

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 Des Plaines

You may be interested in your other planting guides for Des Plaines.