Before planting it is a good idea to find your USDA Zone info to estimate 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 USDA zone info for Yorkville can be looked at to estimate when it's possible to 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 are moderately cold tolerant.

The earliest that you can plant decorative kale in Yorkville 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 really do well. You can get started a few weeks earlier by starting your decorative kale indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Yorkville. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Yorkville is just an average and the actual date of last frost changes from year to year. Half of the time in Yorkville you get surprised by a frost after April 15 so make sure that you are ready to cover your decorative kale if you have a surprise late frost.

USDA Zone Info for Yorkville

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 Yorkville

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