Heirloom. Broccoli is high in vitamins A and C, folic acid and iron. Interestingly, broccoli contains high levels of the reputed cancer fighting compound, sulforaphane. Green Sprouting is an old Italian variety that matures early and is surprisingly easy to grow. Large vigorous plants grow to 20″ tall. Produces heavy crops of large, solid, central heads with numerous medium size lateral heads produced later in the season. Open pollinated.