Green peas contain carbs, protein, and many beneficial nutrients, including fiber, vitamin A, and vitamin K, among others. Green peas, or garden peas are small, spherical seeds that come from pods produced by the Pisum sativum plant. They have been part of the human diet for hundreds of years and are consumed all over the world. green peas are not vegetables. They are part of the legume family, which consists of plants that produce pods with seeds inside. Lentils, chickpeas, beans, and peanuts are also legumes. However, green peas are commonly cooked and sold as a vegetable and this article will refer to them as such. You can find them in frozen, fresh or canned varieties. Since green peas are high in complex carbs called starches, they are considered starchy vegetables along with potatoes, corn, and squash.