The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Costa Mesa you can determine when it's possible to plant cerastium by checking out the USDA zone info.

Planting Calendar for Cerastium

Frost tolerance for cerastium:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant cerastium a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant cerastium in Costa Mesa 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 cerastium and expect a good harvest is probably October. If you wait any later than that and your cerastium may not have a chance to really do well. Starting your cerastium indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Costa Mesa the average date of last frost happens on January 31. You should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Costa Mesa is just an average the actual date of last frost is different every year. Half of the time in Costa Mesa you get surprised by a frost after January 31 so be sure to be ready to protect your cerastium if you have a surprise late frost.

USDA Zone Info for Costa Mesa

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Costa Mesa

You may be interested in your other planting guides for Costa Mesa.