85 Days to maturity (from transplant). Solanum lycopersicum. Kolb Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses. This big, beautiful beefsteak tomato can grow up to be an entire pound. Kolb tomatoes have an appealing pink looking skin, shielding their intensely flavorful insides from the elements as it grows. Enjoy this excellent fruit as is, or add it into your next soup or salad for that extra piece of zest! About 6,800 seeds/ounce.