75-100 Days to maturity. Brassica oleracea. Romanesco Broccoli Seeds. Non-GMO, annual, heirloom. The spiky heads of Romanesco Broccoli grow in an unusual fractal formation. Its Fibonacci-looking spirals create beautiful patterns that make this vegetable as attractive as it is tasty. This Italian heirloom produces 5-6 inch heads with a mild, nutty flavor similar to cauliflower. Romanesco Broccoli will complement both cooked and fresh dishes. A very unique, delicious, and stunning vegetable widely grown in northern Italy. ~9,000 seeds/oz.