Evergreen Tomato Seeds. 72 Days. Heirloom, Open Pollinated, Non-GMO Seeds. Solanum lycopersicum. AKA: Emerald Evergreen Tomato, Tasty Evergreen Tomato. Developed in Ohio in the 1950s. The Evergreen Tomato is a unique tomato because it stays green even after harvested. The tomato fruits get large, 10-14 oz. The bright green, slightly stripped color makes these tomatoes a fun addition to gardens. They also make delicious fried green tomatoes and are the most flavorful green variety. Tomato seeds should be started inside and transplanted outside after the final frost of the season. Tomatoes need 6-8 hours of sun every day. Water when the soil is dry. 7,500 Seeds/Oz.