The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant eggplants in Bourbonnais should be determined by checking out the USDA zone info.

Planting Calendar for Eggplants

Frost tolerance for eggplants:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant eggplants until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant eggplants in Bourbonnais 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 eggplants and expect a good harvest is probably August. Any later than that and your eggplants may not have a chance to really do well. Starting your eggplants indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Bourbonnais is just an average and the actual date of last frost changes from year to year. Half of the time in Bourbonnais there is a last frost after April 15 so make sure that you are prepared to protect your eggplants in the event of a late frost.

USDA Zone Info for Bourbonnais

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 Bourbonnais

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