Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant carnation in Porterville can be figured out by using 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.

You can plant carnation quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant carnation in Porterville 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. You probably don't want to wait any later than that or else your carnation may not have a chance to really do well. Starting your carnation indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Porterville 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 Porterville is an average the actual date of last frost will vary from year to year. Half of the time in Porterville you get a frost after February 15 so always be ready to protect your carnation if you have a surprise late frost.

USDA Zone Info for Porterville

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 Porterville

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