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.

One way of figuring out when it's possible to plant carnation is to check out the USDA zone info for Scottsdale.

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 quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant carnation in Scottsdale 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. If you wait any later than that and your carnation may not have a chance to grow to maturity. You can get started a little bit earlier by starting your carnation indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Scottsdale. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Scottsdale is an average and the actual date of last frost will vary from year to year. Since half of the time in Scottsdale you get surprised by a frost after February 15 be ready to cover your carnation in the event of one of those late frosts.

USDA Zone Info for Scottsdale

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 Scottsdale

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