The Arugula plant is an annual leafy vegetable that grows very fast such that you can begin to harvest the leaves in just a few weeks. It belongs to the mustard family grown as a salad green that is flavorful.
Generally, it takes 40 days from seeding for arugula to be ready for harvesting. Well, it is possible to have two arugula seasons if you time it right. The first can be during spring to the beginning of summer and then another at the end of summer into fall.