Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant decorative kale in Rock Falls should be estimated by using the USDA zone info.

Planting Calendar for Decorative Kale

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

Decorative Kale do well in moderate cold which tells us that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant decorative kale in Rock Falls 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. You probably don't want to wait any later than that or else your decorative kale may not have a chance to really do well. You can get started a little bit earlier by starting your decorative kale indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Rock Falls. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Rock Falls is just an average the actual date of last frost is different every year. Since half of the time in Rock Falls you get a frost after April 15 be ready to cover your decorative kale if you have one of those late frosts.

USDA Zone Info for Rock Falls

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Rock Falls

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