Leaf lettuce is a type of leafy green vegetable that belongs to the Asteraceae family. It is known for its tender leaves and mild flavor, making it a popular choice for salads and sandwiches. Leaf lettuce comes in various colors, including green and red, and is typically sold in loose leaves or as whole heads. This vegetable is rich in vitamins A and K, as well as other essential nutrients. It is low in calories, making it a healthy addition to meals. Leaf lettuce is easy to grow in home gardens and can thrive in cooler temperatures, making it a versatile crop for many gardeners.