Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Caledonia you can figure out when it's a good idea to plant kale by looking at the USDA zone info.

Planting Calendar for Kale

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

You can plant kale a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant kale in Caledonia 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 kale and expect a good harvest is probably September. Any later than that and your kale may not have a chance to fully mature. You can get started a little bit earlier by starting your kale indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Caledonia. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Caledonia is an average the actual date of last frost is different every year. Half of the time in Caledonia you get a frost after April 15 so just be sure to be ready to protect your kale in the event of a late frost.

USDA Zone Info for Caledonia

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 Caledonia

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