Grow fresh Arugula in your indoor herb garden! Arugula is an aromatic, peppery-flavored salad green. Also known as rocket, roquette, rugula and rucola, this green is beyond popular in Italian cuisine. And it's super healthy! Many studies have suggested that increasing consumption of plant foods like arugula decreases the risk of obesity, diabetes and heart disease while promoting a healthy complexion and overall lower weight.