When to Plant Cerastium in Glendora, CA

One of the first steps you take when you are determining 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 first opportunity to plant cerastium in Glendora can be estimated by referring to 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.

Since cerastium are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

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 Glendora 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 grow to maturity. You can get started a little bit earlier by starting your cerastium indoors.

Last Frost Date

In Glendora the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Glendora is just an average and the actual date of last frost changes from year to year. Since half of the time in Glendora it frosts late in the year after January 31 be ready to protect your cerastium if you have a surprise late frost.

USDA Zone Info for Glendora

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 Glendora

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