Before planting it is a good idea to find your USDA Zone info to figure out 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.

The first opportunity to plant kohlrabi in Jackson can be figured out by referring to 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 a little bit earlier than more sensitive plants.

The earliest that you can plant kohlrabi in Jackson is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant kohlrabi and expect a good harvest is probably August. If you wait 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

In Jackson the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Jackson is not always accurate the actual date of last frost will vary from year to year. Half of the time in Jackson you get surprised by a frost after May 15 so be sure to be ready to protect your kohlrabi if you have one of those late frosts.

USDA Zone Info for Jackson

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Jackson

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