The star jack-o’-lanterns of Halloween, the organic green pumpkin comes to life when the flowers of the plant wither, and beneath them these little delights begin to grow. They are quite the versatile veggie and used in many recipes. Their health benefits are versatile, too - They have high antioxidant content, packs Vitamins that may boost immunity, it is nutrient dense, and has a low calorie count as well. Their flowers and leaves are used in salads. Yes, they are edible too.