The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Eau Claire you can figure out when to plant kale by reviewing 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 are moderately cold tolerant.

The earliest that you can plant kale in Eau Claire 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 kale and expect a good harvest is probably August. If you wait any later than that and your kale may not have a chance to grow to maturity. Starting your kale indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Eau Claire. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Eau Claire is an average the actual date of last frost is different every year. Since half of the time in Eau Claire you get a frost after May 15 be ready to cover your kale in the event of one of those late frosts.

USDA Zone Info for Eau Claire

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Eau Claire

You may be interested in your other planting guides for Eau Claire.