How to Store

Place collard greens in a plastic bag, removing as much of the air from the bag as possible. Store in the refrigerator where they should keep fresh for about three to five days. Collard greens are highly nutritious staple green cabbage like leaves vegetable. Collards are one of the most popular members of the Brassica family, closely related to kale and cabbage and could be described as a non heading (acephalous) cabbage.