One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Oak Forest can be reffered to in order to estimate when it's the best time to plant carnation.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant carnation much earlier in the year because they do well in cold.

The earliest that you can plant carnation in Oak Forest 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 carnation and expect a good harvest is probably September. You probably don't want to wait any later than that or else your carnation may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your carnation indoors.

Last Frost Date

The average date of last frost is April 15 in Oak Forest. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Oak Forest may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Oak Forest you get surprised by a frost after April 15 be ready to protect your carnation if you have one of those late frosts.

USDA Zone Info for Oak Forest

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 Oak Forest

You may be interested in your other planting guides for Oak Forest.