55 Days to maturity (from transplant). Solanum lycoperscium. Red Robin Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom,heat tolerant, humidity tolerant, determinate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers, and large hanging baskets. Red Robin is a dwarf, compact plant at only 8 to 12 inches tall. The small fruits are 1 inch in diameter and sweet with a mild acid flavor. The plant is also highly ornamental, leaving you with a gorgeous plant in the garden or patio. ~ 6,800 seeds/ounce.