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 USDA zone info for New London can be reviewed to estimate when it's possible to plant kohlrabi.

Planting Calendar for Kohlrabi

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

You can plant kohlrabi a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant kohlrabi in New London 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 fully mature. Starting your kohlrabi indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in New London. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for New London is just an average the actual date of last frost changes from year to year. Half of the time in New London it frosts late in the year after April 15 so just be sure to be ready to cover your kohlrabi in the event of one of those late frosts.

USDA Zone Info for New London

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in New London

You may be interested in your other planting guides for New London.