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.

In Fort Worth you can estimate when it's possible to plant canna by referring to the USDA zone info.

Planting Calendar for Canna

Frost tolerance for canna:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since canna do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant canna in Fort Worth 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. If you wait any later than that and your canna may not have a chance to fully mature. Starting your canna indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Fort Worth the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Fort Worth may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Fort Worth you get a frost after March 15 so always be ready to cover your canna in the event of one of those late frosts.

USDA Zone Info for Fort Worth

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Fort Worth

You may be interested in your other planting guides for Fort Worth.