5 Vegetable Fresh Seeds Artichoke Artichoke Seeds - Organic Non Gmo Artichoke Seeds - Heirloom Seeds - Fresh USA Grown Seeds - Green Globe Variety - Grow Your Own Food. Our Green Globe Artichoke seeds are the perfect choice for any gardener looking to add a unique and flavorful vegetable to their garden. These heirloom seeds are non-GMO and grown using sustainable methods in the USA, ensuring the highest quality product. With a germination rate of 99.9%, these seeds are guaranteed to sprout. Green Globe Artichokes are a perennial vegetable that can grow up to 4 feet tall and 3 feet wide. They prefer full sun and well-drained soil. The artichokes can be harvested in the spring before they bloom and can be steamed, grilled or eaten raw. Not only are artichokes delicious, but they also contain a variety of vitamins and minerals, including fiber, vitamin C, and magnesium.