One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant cerastium in Marshfield should be figured out 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 are one of those plants that can tolerate a little bit of cold weather which means that you can plant them a little bit earlier than other plants that might not handle the cold.

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

The last month that you can plant cerastium and expect a good harvest is probably August. 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

On average the last frost is on May 15 in Marshfield. In the coldest months of winter you should expect an average low temperature of -25°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Marshfield and it is different every year. Since half of the time in Marshfield there is a last frost after May 15 be ready to cover your cerastium in the event of one of those late frosts.

USDA Zone Info for Marshfield

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Marshfield

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