- You will get 160 Seeds of Tomato Marglobe Heirloom Vegetable Seeds. - Sunlight: Full Sun. - Life Cycle: Annual. - Watering: Medium. - Marglobe Tomato Seeds. - Marglobe tomatoes, which are naturally disease resistant, were created nearly a century ago by Frederick Pritchard, who crossed the Globe and "Marvel" types to create this hearty variety. - The smaller (7-10 ounces) tomatoes show a deep red color at maturity, which typically requires around 100 days after transplanting. - 6 weeks before last frost: - Fill 4" pots with potting mix to within a 1/2-inch of the top and place a pair of seeds on top of the soil in each one near the center of the pot (having two is good insurance in case one doesn’t sprout. Pinch off the smaller, weaker of the two if they both sprout). - Cover them with a ¼-inch layer of soil mix and the compress the soil with your fingers. Good seed-to-soil contact is important for germination. - Sprinkle water on the seeds whenever the top of the soil mix appears dry. Don’t keep the soil soggy, however — the seeds may rot.