One of the first steps you take when you are making a decision about 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 Joliet can be looked at to figure out when it's a good idea to plant peanut.

Planting Calendar for Peanut

Frost tolerance for peanut:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant peanut until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The last month that you can plant peanut and expect a good harvest is probably August. Any later than that and your peanut may not have a chance to fully mature. If you are starting your peanut indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Joliet the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Joliet may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Joliet there is a last frost after April 15 be ready to protect your peanut in the event of one of those late frosts.

USDA Zone Info for Joliet

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 Joliet

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