One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The earliest that you can plant kohlrabi in Rochelle should be estimated by looking at the USDA zone info.

Planting Calendar for Kohlrabi

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

Kohlrabi do well in moderate cold which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant kohlrabi in Rochelle 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 grow to maturity. You can get started a little bit earlier by starting your kohlrabi indoors.

Last Frost Date

The average date of last frost is April 15 in Rochelle. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Rochelle is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Rochelle you get surprised by a frost after April 15 be ready to protect your kohlrabi in the event of a surprise late frost.

USDA Zone Info for Rochelle

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rochelle

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