One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when to plant canna in Antioch 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.

It's probably not a good idea to plant canna until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant canna in Antioch is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant canna and expect a good harvest is probably September. You probably don't want to wait any later than that or else your canna may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your canna indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Antioch. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Antioch is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Antioch there is a last frost after February 15 be ready to protect your canna if you have one of those late frosts.

USDA Zone Info for Antioch

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Antioch

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