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

In Pierre you can estimate when it's the best time 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 earlier in the year because they are moderately cold tolerant.

The earliest that you can plant kale in Pierre 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. You probably don't want to wait any later than that or else your kale may not have a chance to fully mature. If you are starting your kale indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Pierre. In the coldest months of winter you can expect an average low temperature of -25°F.

Remember that USDA zone info for Pierre is an average and the actual date of last frost is different every year. Since half of the time in Pierre it frosts late in the year after May 15 be ready to cover your kale if you have one of those late frosts.

USDA Zone Info for Pierre

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 Pierre

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