Before planting it is a good idea to find your USDA Zone info to determine 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 to plant canna in Vincennes by checking out the USDA zone info.

Planting Calendar for Canna

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

Canna require warm weather which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant canna in Vincennes 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 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 when the weather gets warmer is on April 15 in Vincennes. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Vincennes 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 Vincennes you get surprised by a frost after April 15 be ready to cover your canna if you have a surprise late frost.

USDA Zone Info for Vincennes

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 Vincennes

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