Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Clinton you can estimate when you can plant canna by looking at 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.

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

The earliest that you can plant canna in Clinton 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 really do well. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

In Clinton the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Clinton is an average the actual date of last frost changes from year to year. Half of the time in Clinton last frost occurs after April 15 so always be ready to protect your canna if you have a surprise late frost.

USDA Zone Info for Clinton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Clinton

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