One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant canna is to consult the USDA zone info for Glenview.

Planting Calendar for Canna

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

You can not plant canna until after all chance of frost has passed because they require warm weather.

The earliest that you can plant canna in Glenview 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 fully mature. If you are starting your canna indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Glenview. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Glenview is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Glenview you get a frost after April 15 be ready to protect your canna if you have a surprise late frost.

USDA Zone Info for Glenview

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Glenview

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