One of the best tools that you have as gardeners to help us figure out 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 first opportunity to plant kohlrabi in Morton should 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.

Since kohlrabi are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant kohlrabi in Morton 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. If you wait any later than that and your kohlrabi may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your kohlrabi indoors.

Last Frost Date

On average the last frost is on April 15 in Morton. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Morton is not always accurate the actual date of last frost will vary from year to year. Half of the time in Morton it frosts late in the year after April 15 so just be sure to be ready to protect your kohlrabi in the event of a late frost.

USDA Zone Info for Morton

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 Morton

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