70 Days to maturity (from transplant). Solanum lycopersicum. Black Prince Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to Disorders. Black Prince Tomato is an indeterminate vining tomato with smooth, round, deep-colored fruits and dark flesh. They are juicy, tender, and flavorful. Similarly sized to Roma tomatoes, these delectable fruits are utilized for many of the same culinary applications. ~ 7,500 seeds/oz.