Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. 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 possible to plant canna is to check out the USDA zone info for Seymour.

Planting Calendar for Canna

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

It's probably 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.

The earliest that you can plant canna in Seymour 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

The average date of last frost is April 15 in Seymour. In the coldest months of winter you should expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Seymour is just an average and the actual date of last frost will vary from year to year. Half of the time in Seymour you get a frost after April 15 so make sure that you are ready to protect your canna in the event of one of those late frosts.

USDA Zone Info for Seymour

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 Seymour

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