70 Days to maturity. Citrullus lanatus. Early Crimson Treat Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, icebox watermelon. Early Crimson Treat Watermelon Seeds. Both light and dark green stripes wrap themselves around this gorgeous melon. With its skin contrasting beautifully with its bright red interior, the Early Crimson Treat watermelon indeed lives up to its name. ~400 seeds/oz.