The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

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

Planting Calendar for Cerastium

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

Cerastium are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant cerastium in Purcell 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 fully mature. You can get started a few weeks earlier by starting your cerastium indoors.

Last Frost Date

The average date of last frost is April 15 in Purcell. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Purcell is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Purcell you get surprised by a frost after April 15 so always be ready to protect your cerastium if you have a late frost.

USDA Zone Info for Purcell

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Purcell

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