One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Evergreen Park it's a good idea to determine when to plant dianthus.

Planting Calendar for Dianthus

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

Dianthus are moderately cold tolerant which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant dianthus in Evergreen Park 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 dianthus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dianthus may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your dianthus indoors.

Last Frost Date

On average the last frost is on April 15 in Evergreen Park. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Evergreen Park is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Evergreen Park there is a last frost after April 15 be ready to cover your dianthus in the event of a surprise late frost.

USDA Zone Info for Evergreen Park

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 Evergreen Park

You may be interested in your other planting guides for Evergreen Park.