One of the first steps you take when you are getting a good idea 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.

In Ionia you can determine when it's the best time to plant kohlrabi 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 plants that might not handle the cold.

The earliest that you can plant kohlrabi in Ionia 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 little bit earlier by starting your kohlrabi indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Ionia is not always accurate and the actual date of last frost changes from year to year. Half of the time in Ionia you get surprised by a frost after April 15 so make sure that you are prepared to protect your kohlrabi if you have a surprise late frost.

USDA Zone Info for Ionia

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 Ionia

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