What is the meaning of leave greens?

"Leave greens" is not a term commonly used in the English language. Are you perhaps thinking of "leafy greens"? Leafy greens are a group of vegetables that are characterized by their green leaves, such as spinach, kale, lettuce, and collard greens. They are a good source of dietary fiber, vitamins, and minerals, and are often recommended as part of a healthy diet.