One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Casa Grande you can estimate when it's a good idea 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.

Carnation are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than more sensitive plants.

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

The last month that you can plant carnation and expect a good harvest is probably September. If you wait any later than that and your carnation may not have a chance to really do well. You can get started a couple of weeks earlier by starting your carnation indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Casa Grande. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Casa Grande is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Casa Grande you get a frost after April 15 be ready to cover your carnation if you have one of those late frosts.

USDA Zone Info for Casa Grande

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 Casa Grande

You may be interested in your other planting guides for Casa Grande.