One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's the best time to plant kohlrabi by checking out the USDA zone info for Canton.

Planting Calendar for Kohlrabi

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

Since kohlrabi do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant kohlrabi in Canton 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. You probably don't want to wait any later than that or else your kohlrabi may not have a chance to grow to maturity. Starting your kohlrabi indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Canton. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Canton may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Canton you get surprised by a frost after May 15 so always be ready to protect your kohlrabi if you have a surprise late frost.

USDA Zone Info for Canton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Canton

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