The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sonora you can estimate when it's possible to plant carnation by reviewing the USDA zone info.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since carnation are very cold tolerant you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant carnation in Sonora is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably October. Any later than that and your carnation may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your carnation indoors.

Last Frost Date

In Sonora the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Sonora is not always accurate and the actual date of last frost is different every year. Half of the time in Sonora you get a frost after February 15 so be sure to be ready to cover your carnation if you have one of those late frosts.

USDA Zone Info for Sonora

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sonora

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