When to Plant Cerastium in Decatur, IL

One of the best tools that you have as gardeners to help us estimate 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 first chance to plant cerastium in Decatur can be figured out by looking at 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.

You can plant cerastium a little earlier in the year because they do well in moderate cold.

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 Decatur 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. You probably don't want to wait any later than that or else 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

On average the last frost when the weather gets warmer is on April 15 in Decatur. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Decatur is an average the actual date of last frost changes from year to year. Since half of the time in Decatur you get surprised by a frost after April 15 be ready to protect your cerastium in the event of a late frost.

USDA Zone Info for Decatur

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Decatur

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