69-80 Days to maturity (from transplant). Solanum lycopersicum. Tastemaster Improved Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Tomato Tastemaster Improved F1 is an indeterminate tomato bred by George Emery from Hollister, California. The fruit is deep pink and weighs 6 to 7 ounces. ~6,800 seeds/oz.