Atkinson Tomato Seeds. 70 Days to maturity. Non-GMO open pollinated heirloom seed. Solanum lycopersicum. Atkinkson Tomatoes come from Auburn University where it was developed in the 60s. This tomato is perfect for the deep south where it is extremely humid. Atkinson tomatoes are medium sized bright red fruits. The plants get extremely tall and are very prolific. The flavor is delicious and the texture is rich and meaty. Tomatoes need to be started indoors and transplanted outside once the final frost of the season is over. Tomatoes should have full sun. Atkinson tomatoes are great for slicing sandwiches and canning. 7 500 seeds in an ounce.