Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's a good idea to plant kohlrabi is to look at the USDA zone info for Braidwood.

Planting Calendar for Kohlrabi

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

Kohlrabi are moderately cold tolerant which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant kohlrabi in Braidwood 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 kohlrabi and expect a good harvest is probably September. You probably don't want to wait any later than that or else your kohlrabi may not have a chance to fully mature. Starting your kohlrabi indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Braidwood and it can change quite a bit from year to year. Half of the time in Braidwood you get surprised by a frost after April 15 so make sure that you are ready to protect your kohlrabi in the event of a surprise late frost.

USDA Zone Info for Braidwood

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 Braidwood

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