80-85 Days to Maturity. Capsicum annuum. Quadrato D'Asti Rosso Pepper Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper. A large, green to red, sweet, blocky bell pepper. It produces thick-walled, four-lobe peppers that are about 4.5 inches across and up to 6 inches long.