One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's possible to plant kohlrabi is to examine the USDA zone info for Waterford.

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 start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant kohlrabi in Waterford 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. Any later than that and your kohlrabi may not have a chance to fully mature. 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 Waterford. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Waterford is just an average the actual date of last frost will vary from year to year. Half of the time in Waterford you get surprised by a frost after April 15 so make sure that you are prepared to protect your kohlrabi if you have a late frost.

USDA Zone Info for Waterford

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 Waterford

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