When to Plant Cerastium in Sierra Madre, CA

One of the first steps you take when you are getting a good idea 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.

The best time to plant cerastium in Sierra Madre should be determined by reviewing 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.

Cerastium tend to make it in mild cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cerastium
Possibly ok, but a risky time to plant cerastium
Probably not a good time to plant cerastium

The earliest that you can plant cerastium in Sierra Madre 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 fully mature. Starting your cerastium indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Sierra Madre. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Sierra Madre may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Sierra Madre you get a frost after January 31 be ready to cover your cerastium if you have one of those late frosts.

USDA Zone Info for Sierra Madre

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 Low30°F
Highest Expected Low35°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 Sierra Madre

You may be interested in your other planting guides for Sierra Madre.