One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant decorative kale is to refer to the USDA zone info for South Sioux City.

Planting Calendar for Decorative Kale

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

Since decorative kale do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant decorative kale in South Sioux City 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 decorative kale and expect a good harvest is probably September. If you wait any later than that and your decorative kale may not have a chance to fully mature. 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 April 15 in South Sioux City. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for South Sioux City is just an average the actual date of last frost changes from year to year. Since half of the time in South Sioux City there is a last frost after April 15 be ready to protect your decorative kale in the event of a surprise late frost.

USDA Zone Info for South Sioux City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in South Sioux City

You may be interested in your other planting guides for South Sioux City.