One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Cumming it's a good idea to determine when to plant canna.

Planting Calendar for Canna

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

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 Cumming 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. You can get started a little bit earlier by starting your canna indoors.

Last Frost Date

In Cumming the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Cumming is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Cumming there is a last 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 Cumming

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Cumming

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