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.

In Tiffin you can determine when to plant cerastium by checking out 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 do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant cerastium in Tiffin 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. 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 Tiffin. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Tiffin may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Tiffin you get a frost after April 15 so always be ready to cover your cerastium if you have one of those late frosts.

USDA Zone Info for Tiffin

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Tiffin

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