100 Days to maturity (from transplant). Solanum lycopersicum. Giant Red Beefsteak Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. These brilliant scarlet fruits range from 12 to 32 ounces in size. About 6,800 seeds/ounce.