Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Thief River Falls can be read to determine when you can plant decorative kale.

Planting Calendar for Decorative Kale

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

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

The earliest that you can plant decorative kale in Thief River Falls 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 decorative kale and expect a good harvest is probably August. Any later than that and your decorative kale may not have a chance to really do well. Starting your decorative kale indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Thief River Falls. You can expect an average low temperature of -35°F in the coldest months of winter.

Always keep in mind that USDA zone info for Thief River Falls is just an average and the actual date of last frost will vary from year to year. Since half of the time in Thief River Falls it frosts late in the year after May 15 be ready to cover your decorative kale if you have a late frost.

USDA Zone Info for Thief River Falls

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Thief River Falls

You may be interested in your other planting guides for Thief River Falls.