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.

You should be able to figure out when to plant carnation by using the USDA zone info for Alamo.

Planting Calendar for Carnation

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

Carnation do ok in pretty solid cold which means that you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant carnation in Alamo 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. If you are starting your carnation indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Alamo. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Alamo is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Alamo you get a frost after February 15 so make sure that you are prepared to protect your carnation in the event of a surprise late frost.

USDA Zone Info for Alamo

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 Alamo

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