The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Shawano should be looked at to determine when it's the best time to plant flowering kale.

Planting Calendar for Flowering Kale

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

Since flowering kale do well in moderate cold you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant flowering kale in Shawano 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 flowering kale and expect a good harvest is probably August. You probably don't want to wait any later than that or else your flowering kale may not have a chance to fully mature. Starting your flowering kale indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Shawano the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Shawano is just an average the actual date of last frost changes from year to year. Half of the time in Shawano you get surprised by a frost after May 15 so always be ready to protect your flowering kale in the event of a surprise late frost.

USDA Zone Info for Shawano

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 Shawano

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