The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Livermore should be reviewed to estimate when you can plant canna.

Planting Calendar for Canna

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

It's not a good idea to plant canna until after the last frost because they require warm weather.

The earliest that you can plant canna in Livermore 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. If you wait any later than that and your canna may not have a chance to really do well. You can get started a couple of weeks earlier by starting your canna indoors.

Last Frost Date

In Livermore the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Livermore may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Livermore you get a frost after February 15 be ready to protect your canna in the event of a late frost.

USDA Zone Info for Livermore

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 Livermore

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