One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant cerastium is to consult the USDA zone info for Montclair.

Planting Calendar for Cerastium

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

Cerastium are moderately cold tolerant which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is January 31 in Montclair. You should expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Montclair and it is different every year. Half of the time in Montclair it frosts late in the year after January 31 so make sure that you are ready to protect your cerastium in the event of a surprise late frost.

USDA Zone Info for Montclair

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Montclair

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