Before planting it is a good idea to find your USDA Zone info to figure out 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.

You can figure out when it's a good idea to plant flowering kale in Olympia Fields by using the USDA zone info.

Planting Calendar for Flowering Kale

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

Flowering Kale do ok in moderate cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant flowering kale in Olympia Fields 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 flowering kale and expect a good harvest is probably September. If you wait any later than that and your flowering kale may not have a chance to fully mature. You can get started a few weeks earlier by starting your flowering kale indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Olympia Fields may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Olympia Fields you get a frost after April 15 be ready to cover your flowering kale in the event of a surprise late frost.

USDA Zone Info for Olympia Fields

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 Olympia Fields

You may be interested in your other planting guides for Olympia Fields.