One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The first opportunity to plant canna in Madisonville can be determined by looking at the USDA zone info.

Planting Calendar for Canna

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

Canna do not do well in cold weather which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant canna in Madisonville 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 little bit earlier by starting your canna indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Madisonville. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Madisonville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Madisonville you get surprised by a frost after April 15 so be sure to be ready to protect your canna in the event of one of those late frosts.

USDA Zone Info for Madisonville

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 Madisonville

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