Choose deeply colored bunches with crisp, springy leaves. There should be no thick stems or strong odor.
Wash Kale leaves thoroughly to remove soil, then wrap in a moist cloth or paper towel. Kale can be stored in a perforated plastic bag in a 32-34°F refrigerator for 3-5 days.
Iowa Specialty Crop Growers Association
Data credit 1
ISU Extension and Outreach