Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's a good idea to plant cerastium is to check out the USDA zone info for Clarkston.

Planting Calendar for Cerastium

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

Cerastium can survive in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant cerastium in Clarkston is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant cerastium and expect a good harvest is probably September. If you wait any later than that and your cerastium may not have a chance to really do well. If you are starting your cerastium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Clarkston the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Clarkston may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Clarkston you get a frost after April 15 so be sure to be ready to cover your cerastium in the event of a surprise late frost.

USDA Zone Info for Clarkston

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Clarkston

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