The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when it's a good idea to plant brussels sprouts is to look at the USDA zone info for Mokena.

Planting Calendar for Brussels Sprouts

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

Since brussels sprouts are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant brussels sprouts in Mokena 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 brussels sprouts and expect a good harvest is probably September. Any later than that and your brussels sprouts may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your brussels sprouts indoors.

Last Frost Date

The average date of last frost is April 15 in Mokena. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Mokena may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Mokena you get a frost after April 15 be ready to protect your brussels sprouts if you have a late frost.

USDA Zone Info for Mokena

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 Mokena

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