One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's the best time to plant kohlrabi by referring to the USDA zone info for Rolling Meadows.

Planting Calendar for Kohlrabi

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

You can plant kohlrabi a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant kohlrabi in Rolling Meadows 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. Any later than that and your kohlrabi may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your kohlrabi indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Rolling Meadows. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Rolling Meadows is an average the actual date of last frost changes from year to year. Half of the time in Rolling Meadows last frost occurs after April 15 so make sure that you are prepared to cover your kohlrabi in the event of one of those late frosts.

USDA Zone Info for Rolling Meadows

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 Rolling Meadows

You may be interested in your other planting guides for Rolling Meadows.